diff options
| author | Marko Mäkelä <marko.makela@mariadb.com> | 2019-08-14 18:06:51 +0300 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2019-08-14 18:06:51 +0300 |
| commit | 1d15a28e52e41fae0847284089b2073ab33162a5 (patch) | |
| tree | 3d2dbd3ebda6547c26642e597b5cafc56e7ed031 | |
| parent | c4feef50cfa4033e646636ed37e255d2b3593fbf (diff) | |
| parent | a20f6f9853e522ad388f5b968ce11af3c5d1fc10 (diff) | |
| download | mariadb-git-1d15a28e52e41fae0847284089b2073ab33162a5.tar.gz | |
Merge 10.3 into 10.4
95 files changed, 1927 insertions, 995 deletions
diff --git a/BUILD/compile-pentium64-asan-max b/BUILD/compile-pentium64-asan-max index 9a4de53162e..37acc9f74f3 100755 --- a/BUILD/compile-pentium64-asan-max +++ b/BUILD/compile-pentium64-asan-max @@ -17,7 +17,7 @@ path=`dirname $0` . "$path/SETUP.sh" -extra_flags="$pentium64_cflags $debug_cflags -lasan -O -g -fsanitize=address" +extra_flags="$pentium64_cflags $debug_cflags -lasan -O -g -fsanitize=address -USAFEMALLOC -UFORCE_INIT_OF_VARS -Wno-uninitialized -Wno-maybe-uninitialized" extra_configs="$pentium_configs $debug_configs $valgrind_configs $max_configs $disable_asan_plugins" export LDFLAGS="-ldl" diff --git a/client/mysql.cc b/client/mysql.cc index d3d273c3a72..41b7d192fc0 100644 --- a/client/mysql.cc +++ b/client/mysql.cc @@ -1059,7 +1059,7 @@ extern "C" int write_history(const char *command); extern "C" HIST_ENTRY *history_get(int num); extern "C" int history_length; static int not_in_history(const char *line); -static void initialize_readline (char *name); +static void initialize_readline (); static void fix_history(String *final_command); #endif @@ -1240,7 +1240,7 @@ int main(int argc,char *argv[]) } #ifdef HAVE_READLINE - initialize_readline((char*) my_progname); + initialize_readline(); if (!status.batch && !quick && !opt_html && !opt_xml) { /* read-history from file, default ~/.mysql_history*/ @@ -2665,10 +2665,11 @@ static int fake_magic_space(const char *, int) } -static void initialize_readline (char *name) +static void initialize_readline () { /* Allow conditional parsing of the ~/.inputrc file. */ - rl_readline_name = name; + rl_readline_name= "mysql"; + rl_terminal_name= getenv("TERM"); /* Tell the completer that we want a crack first. */ #if defined(USE_NEW_READLINE_INTERFACE) diff --git a/extra/innochecksum.cc b/extra/innochecksum.cc index 753ded46041..f7fbb76b66b 100644 --- a/extra/innochecksum.cc +++ b/extra/innochecksum.cc @@ -548,7 +548,8 @@ is_page_corrupted( if (is_corrupted && log_file) { fprintf(log_file, - "Page " ULINTPF ":%llu may be corrupted;" + "[page id: space=" ULINTPF + ", page_number=%llu] may be corrupted;" " key_version=%u\n", space_id, cur_page_num, key_version); } diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc index 1d34a8cda4f..7c510db69a0 100644 --- a/extra/mariabackup/xtrabackup.cc +++ b/extra/mariabackup/xtrabackup.cc @@ -1296,7 +1296,7 @@ struct my_option xb_server_options[] = {"innodb_log_file_size", OPT_INNODB_LOG_FILE_SIZE, "Ignored for mysqld option compatibility", (G_PTR*) &srv_log_file_size, (G_PTR*) &srv_log_file_size, 0, - GET_ULL, REQUIRED_ARG, 48 << 20, 1 << 20, 512ULL << 30, 0, + GET_ULL, REQUIRED_ARG, 48 << 20, 1 << 20, log_group_max_size, 0, UNIV_PAGE_SIZE_MAX, 0}, {"innodb_log_files_in_group", OPT_INNODB_LOG_FILES_IN_GROUP, "Ignored for mysqld option compatibility", diff --git a/include/my_valgrind.h b/include/my_valgrind.h index 9159ec5b138..08ad3f46b96 100644 --- a/include/my_valgrind.h +++ b/include/my_valgrind.h @@ -55,12 +55,19 @@ https://github.com/google/sanitizers/wiki/AddressSanitizerManualPoisoning */ #endif /* HAVE_VALGRIND_MEMCHECK_H */ #if defined(TRASH_FREED_MEMORY) +/* NOTE: Do not invoke TRASH_FILL directly! Use TRASH_ALLOC or TRASH_FREE. + +The MEM_UNDEFINED() call before memset() is for canceling the effect +of any previous MEM_NOACCESS(). We must invoke MEM_UNDEFINED() after +writing the dummy pattern, unless MEM_NOACCESS() is going to be invoked. +On AddressSanitizer, the MEM_UNDEFINED() in TRASH_ALLOC() has no effect. */ #define TRASH_FILL(A,B,C) do { const size_t trash_tmp= (B); MEM_UNDEFINED(A, trash_tmp); memset(A, C, trash_tmp); } while (0) #else -#define TRASH_FILL(A,B,C) do { MEM_UNDEFINED((A), (B)); } while (0) +#define TRASH_FILL(A,B,C) while (0) #endif - +/** Note that some memory became allocated or uninitialized. */ #define TRASH_ALLOC(A,B) do { TRASH_FILL(A,B,0xA5); MEM_UNDEFINED(A,B); } while(0) +/** Note that some memory became freed. (Prohibit further access to it.) */ #define TRASH_FREE(A,B) do { TRASH_FILL(A,B,0x8F); MEM_NOACCESS(A,B); } while(0) #endif /* MY_VALGRIND_INCLUDED */ diff --git a/mysql-test/include/wait_for_slave_param.inc b/mysql-test/include/wait_for_slave_param.inc index 25020d46ed9..b06dee3c640 100644 --- a/mysql-test/include/wait_for_slave_param.inc +++ b/mysql-test/include/wait_for_slave_param.inc @@ -69,7 +69,7 @@ if (!$_slave_param_comparison) if ($rpl_debug) { - --echo Waiting until '$slave_param' $_slave_param_comparison '$slave_param_value' [timeout='$_slave_timeout', \$slave_error_param='$slave_error_param'] + --echo Waiting until '$slave_param' $_slave_param_comparison '$slave_param_value' [\$slave_error_param='$slave_error_param'] } --let $_slave_check_configured= query_get_value("SHOW SLAVE STATUS", Slave_IO_Running, 1) diff --git a/mysql-test/main/alter_table.result b/mysql-test/main/alter_table.result index 5ae90459ff4..b5f81642db2 100644 --- a/mysql-test/main/alter_table.result +++ b/mysql-test/main/alter_table.result @@ -2540,3 +2540,21 @@ test.t1 analyze status OK set @@use_stat_tables= @save_use_stat_tables; set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; drop table t1; +# +# MDEV-18154 Deadlock and assertion upon no-op ALTER under LOCK TABLES +# +create or replace table t1 (pk int, i int, primary key (pk)) engine myisam; +create or replace view v1 as select * from t1; +lock table v1 read, t1 write; +alter table t1 change f1 f2 int; +ERROR 42S22: Unknown column 'f1' in 't1' +set max_statement_time= 1; +alter table t1 add column if not exists i int after pk; +Warnings: +Note 1060 Duplicate column name 'i' +set max_statement_time= 0; +drop table t1; +drop view v1; +# +# End of 10.3 tests +# diff --git a/mysql-test/main/alter_table.test b/mysql-test/main/alter_table.test index 0fab5575f13..5c29dfae6b3 100644 --- a/mysql-test/main/alter_table.test +++ b/mysql-test/main/alter_table.test @@ -2057,3 +2057,21 @@ analyze table t1; set @@use_stat_tables= @save_use_stat_tables; set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; drop table t1; + +--echo # +--echo # MDEV-18154 Deadlock and assertion upon no-op ALTER under LOCK TABLES +--echo # +create or replace table t1 (pk int, i int, primary key (pk)) engine myisam; +create or replace view v1 as select * from t1; +lock table v1 read, t1 write; +--error ER_BAD_FIELD_ERROR +alter table t1 change f1 f2 int; +set max_statement_time= 1; +alter table t1 add column if not exists i int after pk; +set max_statement_time= 0; +drop table t1; +drop view v1; + +--echo # +--echo # End of 10.3 tests +--echo # diff --git a/mysql-test/main/connect_debug.test b/mysql-test/main/connect_debug.test index 7a2f2872b79..300a2de0fbd 100644 --- a/mysql-test/main/connect_debug.test +++ b/mysql-test/main/connect_debug.test @@ -17,6 +17,7 @@ drop user bad; # set global debug_dbug='+d,auth_invalid_plugin'; create user 'bad' identified by 'worse'; +--replace_regex /loaded: [^\n]*/loaded: invalid plugin name/ --error 1 --exec $MYSQL --default-auth=mysql_old_password --user=bad --password=worse 2>&1 set global debug_dbug=@old_dbug; diff --git a/mysql-test/main/kill.result b/mysql-test/main/kill.result index 4775d111b79..55839817fd4 100644 --- a/mysql-test/main/kill.result +++ b/mysql-test/main/kill.result @@ -399,3 +399,19 @@ DROP USER u1@localhost; SET DEBUG_SYNC = 'RESET'; DROP FUNCTION MY_KILL; set global sql_mode=default; +# +# MDEV-17998 +# Deadlock and eventual Assertion `!table->pos_in_locked_tables' failed +# in tc_release_table on KILL_TIMEOUT +# +SET max_statement_time= 2; +CREATE TABLE t1 (a INT); +CREATE VIEW v1 AS SELECT * FROM t1; +CREATE TABLE t2 (b INT, c INT); +LOCK TABLES v1 READ, t2 WRITE, t1 WRITE; +ALTER TABLE t1 CHANGE f1 f2 DOUBLE; +Got one of the listed errors +ALTER TABLE t2 DROP c; +UNLOCK TABLES; +DROP VIEW v1; +DROP TABLE t1, t2; diff --git a/mysql-test/main/kill.test b/mysql-test/main/kill.test index 059d8d40b11..45d672aebc1 100644 --- a/mysql-test/main/kill.test +++ b/mysql-test/main/kill.test @@ -642,3 +642,23 @@ SET DEBUG_SYNC = 'RESET'; DROP FUNCTION MY_KILL; set global sql_mode=default; + +--echo # +--echo # MDEV-17998 +--echo # Deadlock and eventual Assertion `!table->pos_in_locked_tables' failed +--echo # in tc_release_table on KILL_TIMEOUT +--echo # + +SET max_statement_time= 2; + +CREATE TABLE t1 (a INT); +CREATE VIEW v1 AS SELECT * FROM t1; +CREATE TABLE t2 (b INT, c INT); + +LOCK TABLES v1 READ, t2 WRITE, t1 WRITE; +--error ER_BAD_FIELD_ERROR,ER_STATEMENT_TIMEOUT +ALTER TABLE t1 CHANGE f1 f2 DOUBLE; +ALTER TABLE t2 DROP c; +UNLOCK TABLES; +DROP VIEW v1; +DROP TABLE t1, t2; diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl index 51f5617244c..4fb17300682 100755 --- a/mysql-test/mysql-test-run.pl +++ b/mysql-test/mysql-test-run.pl @@ -3369,6 +3369,7 @@ sub mysql_install_db { # Create the bootstrap.sql file # ---------------------------------------------------------------------- my $bootstrap_sql_file= "$opt_vardir/log/bootstrap.sql"; + $ENV{'MYSQL_BOOTSTRAP_SQL_FILE'}= $bootstrap_sql_file; if (! -e $bootstrap_sql_file) { diff --git a/mysql-test/suite/binlog/r/binlog_unsafe.result b/mysql-test/suite/binlog/r/binlog_unsafe.result index d235237c69c..a8143ef086e 100644 --- a/mysql-test/suite/binlog/r/binlog_unsafe.result +++ b/mysql-test/suite/binlog/r/binlog_unsafe.result @@ -2675,6 +2675,8 @@ Warnings: Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. CREATE... REPLACE SELECT is unsafe because the order in which rows are retrieved by the SELECT determines which (if any) rows are replaced. This order cannot be predicted and may differ on master and the slave INSERT INTO insert_2_keys VALUES (1, 2) ON DUPLICATE KEY UPDATE a=VALUES(a)+10, b=VALUES(b)+10; +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe DROP TABLE filler_table; DROP TABLE insert_table; DROP TABLE update_table; diff --git a/mysql-test/suite/galera/disabled.def b/mysql-test/suite/galera/disabled.def index c141d41ed35..92a806710da 100644 --- a/mysql-test/suite/galera/disabled.def +++ b/mysql-test/suite/galera/disabled.def @@ -12,9 +12,6 @@ MW-286 : MDEV-19992 Galera test failure on MW-286 GCF-1081 : MDEV-18283 Galera test failure on galera.GCF-1081 -MW-328A : MDEV-17847 Galera test failure on MW-328[A|B|C] -MW-328B : MDEV-17847 Galera test failure on MW-328[A|B|C] -MW-328C : MDEV-17847 Galera test failure on MW-328[A|B|C] MW-329 : MDEV-19962 Galera test failure on MW-329 MW-360 : needs rewrite to be MariaDB gtid compatible MW-388: MDEV-19803 Long semaphore wait error on galera.MW-388 diff --git a/mysql-test/suite/galera/r/MW-328A.result b/mysql-test/suite/galera/r/MW-328A.result index f4bb018b442..aab548bdc3c 100644 --- a/mysql-test/suite/galera/r/MW-328A.result +++ b/mysql-test/suite/galera/r/MW-328A.result @@ -22,7 +22,7 @@ Got one of the listed errors connection node_1; DROP PROCEDURE proc_update; DROP TABLE t1, t2; -CALL mtr.add_suppression("conflict state 3 after post commit"); +CALL mtr.add_suppression("conflict state ABORTED after post commit"); connection node_1; CREATE TABLE t1 (i int primary key, j int) engine=innodb; INSERT INTO t1 values (1,0); @@ -32,7 +32,7 @@ connection node_2; UPDATE t1 SET j=2 WHERE i=1; connection node_1; COMMIT; -ERROR 40001: Deadlock found when trying to get lock; try restarting transaction +ERROR 40001: Deadlock: wsrep aborted transaction SELECT * FROM t1; i j 1 2 diff --git a/mysql-test/suite/galera/r/MW-328B.result b/mysql-test/suite/galera/r/MW-328B.result index d29c3a50f3d..93a8685cc9e 100644 --- a/mysql-test/suite/galera/r/MW-328B.result +++ b/mysql-test/suite/galera/r/MW-328B.result @@ -22,4 +22,4 @@ Got one of the listed errors connection node_1; DROP PROCEDURE proc_update; DROP TABLE t1, t2; -CALL mtr.add_suppression("conflict state 3 after post commit"); +CALL mtr.add_suppression("conflict state ABORTED after post commit"); diff --git a/mysql-test/suite/galera/r/MW-328C.result b/mysql-test/suite/galera/r/MW-328C.result index 748f9420764..7a00bb718de 100644 --- a/mysql-test/suite/galera/r/MW-328C.result +++ b/mysql-test/suite/galera/r/MW-328C.result @@ -22,4 +22,4 @@ Got one of the listed errors connection node_1; DROP PROCEDURE proc_update; DROP TABLE t1, t2; -CALL mtr.add_suppression("conflict state 3 after post commit"); +CALL mtr.add_suppression("conflict state ABORTED after post commit"); diff --git a/mysql-test/suite/galera/r/galera_performance_schema.result b/mysql-test/suite/galera/r/galera_performance_schema.result new file mode 100644 index 00000000000..5b4994556d6 --- /dev/null +++ b/mysql-test/suite/galera/r/galera_performance_schema.result @@ -0,0 +1,44 @@ +use performance_schema; +SELECT name +FROM threads +WHERE name LIKE 'thread/sql/wsrep%' +ORDER BY name; +name thread/sql/wsrep_applier_thread +name thread/sql/wsrep_rollbacker_thread +use test; +create table t1 (a int not null primary key) engine=innodb; +insert into t1 values (1),(2); +use performance_schema; +select name from mutex_instances where name like 'wait/synch/mutex/sql/LOCK_wsrep%' order by name; +name wait/synch/mutex/sql/LOCK_wsrep_config_state +name wait/synch/mutex/sql/LOCK_wsrep_desync +name wait/synch/mutex/sql/LOCK_wsrep_ready +name wait/synch/mutex/sql/LOCK_wsrep_replaying +name wait/synch/mutex/sql/LOCK_wsrep_rollback +name wait/synch/mutex/sql/LOCK_wsrep_slave_threads +name wait/synch/mutex/sql/LOCK_wsrep_sst +name wait/synch/mutex/sql/LOCK_wsrep_sst_init +select name from cond_instances where name like 'wait/synch/cond/sql/COND_wsrep%' order by name; +name wait/synch/cond/sql/COND_wsrep_ready +name wait/synch/cond/sql/COND_wsrep_replaying +name wait/synch/cond/sql/COND_wsrep_rollback +name wait/synch/cond/sql/COND_wsrep_sst +name wait/synch/cond/sql/COND_wsrep_sst_init +connection node_2; +use test; +SET SESSION wsrep_on=OFF; +CREATE TABLE t2 (f1 INTEGER) engine=innodb; +connection node_1; +use test; +CREATE TABLE t2 (f1 INTEGER) engine=innodb; +connection node_2; +SET SESSION wsrep_on=ON; +SELECT COUNT(*) FROM t1; +COUNT(*) 2 +use performance_schema; +select count(*)>=1 from file_instances where file_name like '%GRA_%.log'; +count(*)>=1 1 +CALL mtr.add_suppression("Slave SQL: Error 'Table 't2' already exists' on query"); +use test; +drop table t1; +drop table t2; diff --git a/mysql-test/suite/galera/t/MW-328-footer.inc b/mysql-test/suite/galera/t/MW-328-footer.inc index 5b736df220f..12a4bf12590 100644 --- a/mysql-test/suite/galera/t/MW-328-footer.inc +++ b/mysql-test/suite/galera/t/MW-328-footer.inc @@ -15,4 +15,4 @@ DROP PROCEDURE proc_update; DROP TABLE t1, t2; -CALL mtr.add_suppression("conflict state 3 after post commit"); +CALL mtr.add_suppression("conflict state ABORTED after post commit"); diff --git a/mysql-test/suite/galera/t/MW-328A.test b/mysql-test/suite/galera/t/MW-328A.test index 097d4ac4ff6..dd692a292b8 100644 --- a/mysql-test/suite/galera/t/MW-328A.test +++ b/mysql-test/suite/galera/t/MW-328A.test @@ -12,9 +12,8 @@ # it all depends on timing. # ---source include/big_test.inc --source include/galera_cluster.inc ---source include/have_innodb.inc +--source include/big_test.inc --source suite/galera/t/MW-328-header.inc --connection node_2 diff --git a/mysql-test/suite/galera/t/MW-328B.test b/mysql-test/suite/galera/t/MW-328B.test index 000b0d8a9ab..11969dd0b47 100644 --- a/mysql-test/suite/galera/t/MW-328B.test +++ b/mysql-test/suite/galera/t/MW-328B.test @@ -7,9 +7,7 @@ # gets the deadlock error # ---source include/big_test.inc --source include/galera_cluster.inc ---source include/have_innodb.inc --source suite/galera/t/MW-328-header.inc --connection node_2 diff --git a/mysql-test/suite/galera/t/MW-328C.test b/mysql-test/suite/galera/t/MW-328C.test index 72a8480923c..1594547d0de 100644 --- a/mysql-test/suite/galera/t/MW-328C.test +++ b/mysql-test/suite/galera/t/MW-328C.test @@ -7,9 +7,8 @@ # masks all deadlock errors # ---source include/big_test.inc --source include/galera_cluster.inc ---source include/have_innodb.inc +--source include/big_test.inc --source suite/galera/t/MW-328-header.inc --connection node_2 diff --git a/mysql-test/suite/galera/t/MW-328D.test b/mysql-test/suite/galera/t/MW-328D.test index d5cffdb8f47..e8a22f22a99 100644 --- a/mysql-test/suite/galera/t/MW-328D.test +++ b/mysql-test/suite/galera/t/MW-328D.test @@ -7,7 +7,6 @@ # --source include/galera_cluster.inc ---source include/have_innodb.inc CREATE TABLE t1 (i INT) ENGINE = InnoDB; INSERT INTO t1 (i) VALUES(1); diff --git a/mysql-test/suite/galera/t/MW-328E.test b/mysql-test/suite/galera/t/MW-328E.test index fd4b0bf9039..34b17be7b08 100644 --- a/mysql-test/suite/galera/t/MW-328E.test +++ b/mysql-test/suite/galera/t/MW-328E.test @@ -7,7 +7,6 @@ # --source include/galera_cluster.inc ---source include/have_innodb.inc create table t1 (i int primary key, j int) engine=innodb; create table t2 (i int primary key, j int) engine=innodb; diff --git a/mysql-test/suite/galera/t/galera_performance_schema.test b/mysql-test/suite/galera/t/galera_performance_schema.test new file mode 100644 index 00000000000..d54555ea301 --- /dev/null +++ b/mysql-test/suite/galera/t/galera_performance_schema.test @@ -0,0 +1,58 @@ +# +# Test that wsrep mutexes, condition variables, files and +# threads are shown in performance schema +# +--source include/galera_cluster.inc +--source include/have_perfschema.inc + +use performance_schema; + +--vertical_results +--disable_ps_protocol +SELECT name +FROM threads +WHERE name LIKE 'thread/sql/wsrep%' +ORDER BY name; +--enable_ps_protocol + +use test; +create table t1 (a int not null primary key) engine=innodb; +insert into t1 values (1),(2); + +use performance_schema; +select name from mutex_instances where name like 'wait/synch/mutex/sql/LOCK_wsrep%' order by name; +select name from cond_instances where name like 'wait/synch/cond/sql/COND_wsrep%' order by name; +# Whenever a node fails to apply an event on a slave node, the database server creates a +# special binary log file of the event in the data directory. The naming convention the +# node uses for the filename is GRA_*.log. +# Thus, we need to produce a applier failure + +--connection node_2 +--exec rm -rf $MYSQLTEST_VARDIR/mysqld.2/data/GRA_*.log + +# Create applier failure + +use test; +SET SESSION wsrep_on=OFF; +CREATE TABLE t2 (f1 INTEGER) engine=innodb; + +--connection node_1 +use test; +CREATE TABLE t2 (f1 INTEGER) engine=innodb; + +--connection node_2 +SET SESSION wsrep_on=ON; +SELECT COUNT(*) FROM t1; + +use performance_schema; +# +# Below we can't just count number of files as if you run this test more +# than once, test will create more files +# +select count(*)>=1 from file_instances where file_name like '%GRA_%.log'; +CALL mtr.add_suppression("Slave SQL: Error 'Table 't2' already exists' on query"); + +use test; +drop table t1; +drop table t2; + diff --git a/mysql-test/suite/innodb/include/innodb_bulk_create_index_debug.inc b/mysql-test/suite/innodb/include/innodb_bulk_create_index_debug.inc index 48de3a1962d..85466e5e4ae 100644 --- a/mysql-test/suite/innodb/include/innodb_bulk_create_index_debug.inc +++ b/mysql-test/suite/innodb/include/innodb_bulk_create_index_debug.inc @@ -4,17 +4,8 @@ # Not supported in embedded -- source include/not_embedded.inc - -# This test case needs to crash the server. Needs a debug server. -- source include/have_debug.inc - -# Don't test this under valgrind, memory leaks will occur. --- source include/not_valgrind.inc - -# Avoid CrashReporter popup on Mac --- source include/not_crashrep.inc - --- source include/have_innodb.inc +-- source include/have_debug_sync.inc # Create Insert Procedure DELIMITER |; @@ -62,21 +53,11 @@ CALL populate_t1(); SELECT COUNT(*) FROM t1; +--enable_info CREATE INDEX idx_title ON t1(title); +--disable_info ---source include/restart_mysqld.inc - -CHECK TABLE t1; - -SELECT * FROM t1 WHERE title = 'a10'; - -SELECT * FROM t1 WHERE title = 'a5000'; - -SELECT * FROM t1 WHERE title = 'a10000'; - -SELECT * FROM t1 WHERE title = 'a10010'; - -DROP TABLE t1; +RENAME TABLE t1 TO t0; -- echo # Test Blob @@ -104,16 +85,32 @@ INSERT INTO t1 VALUES SELECT CHAR_LENGTH(b) FROM t1; -ALTER TABLE t1 DROP COLUMN c; +--enable_info +ALTER TABLE t1 DROP COLUMN c, FORCE; +--disable_info --source include/restart_mysqld.inc -CHECK TABLE t1; +CHECK TABLE t0,t1; SELECT CHAR_LENGTH(b) FROM t1; DROP TABLE t1; +RENAME TABLE t0 to t1; + +CHECK TABLE t1; + +SELECT * FROM t1 WHERE title = 'a10'; + +SELECT * FROM t1 WHERE title = 'a5000'; + +SELECT * FROM t1 WHERE title = 'a10000'; + +SELECT * FROM t1 WHERE title = 'a10010'; + +DROP TABLE t1; + # Test Crash Recovery if ($row_format != 'COMPRESSED') @@ -140,17 +137,16 @@ if ($row_format == 'COMPRESSED') CALL populate_t1(); -- enable_query_log -SET debug_dbug='+d,crash_commit_before'; - -# Write file to make mysql-test-run.pl start up the server again ---exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect - ---error 2013 +connect (hang,localhost,root); +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; +send CREATE INDEX idx_title ON t1(title); ---enable_reconnect ---source include/wait_until_connected_again.inc ---disable_reconnect +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +let $shutdown_timeout=0; +--source include/restart_mysqld.inc +disconnect hang; SELECT COUNT(*) FROM t1; @@ -194,17 +190,16 @@ INSERT INTO t1 VALUES SELECT CHAR_LENGTH(b) FROM t1; -SET debug_dbug='+d,crash_commit_before'; - -# Write file to make mysql-test-run.pl start up the server again ---exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect - ---error 2013 -ALTER TABLE t1 DROP COLUMN c; +connect (hang,localhost,root); +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; +send +ALTER TABLE t1 DROP COLUMN c, FORCE; ---enable_reconnect ---source include/wait_until_connected_again.inc ---disable_reconnect +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +--source include/restart_mysqld.inc +disconnect hang; +let $shutdown_timeout=60; CHECK TABLE t1; @@ -212,10 +207,4 @@ SELECT CHAR_LENGTH(b) FROM t1; DROP TABLE t1; -# Restore global variables -if ($row_format == 'COMPRESSED') -{ - SET GLOBAL innodb_file_per_table=default; -} - DROP PROCEDURE populate_t1; diff --git a/mysql-test/suite/innodb/r/alter_copy.result b/mysql-test/suite/innodb/r/alter_copy.result index 54b6cdd5ae5..4aece16f0b0 100644 --- a/mysql-test/suite/innodb/r/alter_copy.result +++ b/mysql-test/suite/innodb/r/alter_copy.result @@ -37,7 +37,9 @@ t1 CREATE TABLE `t1` ( FULLTEXT KEY `b_2` (`b`,`c`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ALTER TABLE t1 FORCE, ALGORITHM=COPY; -SET DEBUG_DBUG='+d,crash_commit_before'; +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_copy_trans_commit SIGNAL hung WAIT_FOR ever'; +# create 32 secondary indexes ALTER TABLE t ADD INDEX(b,c,d,a),ADD INDEX(b,c,a,d),ADD INDEX(b,a,c,d),ADD INDEX(b,a,d,c), ADD INDEX(b,d,a,c),ADD INDEX(b,d,c,a),ADD INDEX(a,b,c,d),ADD INDEX(a,b,d,c), ADD INDEX(a,c,b,d),ADD INDEX(a,c,d,b),ADD INDEX(a,d,b,c),ADD INDEX(a,d,c,b), @@ -47,8 +49,10 @@ ADD INDEX(d,b,a,c),ADD INDEX(d,b,c,a),ADD INDEX(d,c,a,b),ADD INDEX(d,c,b,a), ADD INDEX(a,b,c), ADD INDEX(a,c,b), ADD INDEX(a,c,d), ADD INDEX(a,d,c), ADD INDEX(a,b,d), ADD INDEX(a,d,b), ADD INDEX(b,c,d), ADD INDEX(b,d,c), ALGORITHM=COPY; -ERROR HY000: Lost connection to MySQL server during query +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; # restart: --innodb-force-recovery=3 +disconnect hang; #sql-temporary.frm #sql-temporary.ibd FTS_INDEX_1.ibd diff --git a/mysql-test/suite/innodb/r/auto_increment_dup,skip-log-bin.rdiff b/mysql-test/suite/innodb/r/auto_increment_dup,skip-log-bin.rdiff deleted file mode 100644 index 7b4ec54eed8..00000000000 --- a/mysql-test/suite/innodb/r/auto_increment_dup,skip-log-bin.rdiff +++ /dev/null @@ -1,51 +0,0 @@ ---- auto_increment_dup.result -+++ auto_increment_dup,skip-log-bin.reject -@@ -89,13 +89,14 @@ - SET DEBUG_SYNC='execute_command_after_close_tables SIGNAL continue'; - affected rows: 0 - INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2'; --ERROR HY000: Lock wait timeout exceeded; try restarting transaction -+affected rows: 3 -+info: Records: 3 Duplicates: 0 Warnings: 0 - connection con1; - # - # 2 duplicates - # --affected rows: 3 --info: Records: 3 Duplicates: 0 Warnings: 0 -+affected rows: 4 -+info: Records: 3 Duplicates: 1 Warnings: 0 - connection default; - # - # 3 rows -@@ -103,19 +104,21 @@ - SELECT * FROM t1 order by k; - id k c - 1 1 NULL --2 2 NULL --3 3 NULL --affected rows: 3 -+4 2 1 -+2 3 NULL -+5 4 NULL -+6 5 NULL -+affected rows: 5 - INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2'; --affected rows: 4 --info: Records: 3 Duplicates: 1 Warnings: 0 -+affected rows: 6 -+info: Records: 3 Duplicates: 3 Warnings: 0 - SELECT * FROM t1 order by k; - id k c - 1 1 NULL --2 2 2 --3 3 NULL --7 4 NULL --8 5 NULL -+4 2 2 -+2 3 NULL -+5 4 2 -+6 5 2 - affected rows: 5 - disconnect con1; - disconnect con2; diff --git a/mysql-test/suite/innodb/r/auto_increment_dup.result b/mysql-test/suite/innodb/r/auto_increment_dup.result index 1467a459fc1..9926047b665 100644 --- a/mysql-test/suite/innodb/r/auto_increment_dup.result +++ b/mysql-test/suite/innodb/r/auto_increment_dup.result @@ -89,13 +89,14 @@ affected rows: 0 SET DEBUG_SYNC='execute_command_after_close_tables SIGNAL continue'; affected rows: 0 INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2'; -ERROR HY000: Lock wait timeout exceeded; try restarting transaction +affected rows: 3 +info: Records: 3 Duplicates: 0 Warnings: 0 connection con1; # # 2 duplicates # -affected rows: 3 -info: Records: 3 Duplicates: 0 Warnings: 0 +affected rows: 4 +info: Records: 3 Duplicates: 1 Warnings: 0 connection default; # # 3 rows @@ -103,19 +104,21 @@ connection default; SELECT * FROM t1 order by k; id k c 1 1 NULL -2 2 NULL -3 3 NULL -affected rows: 3 +4 2 1 +2 3 NULL +5 4 NULL +6 5 NULL +affected rows: 5 INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2'; -affected rows: 4 -info: Records: 3 Duplicates: 1 Warnings: 0 +affected rows: 6 +info: Records: 3 Duplicates: 3 Warnings: 0 SELECT * FROM t1 order by k; id k c 1 1 NULL -2 2 2 -3 3 NULL -7 4 NULL -8 5 NULL +4 2 2 +2 3 NULL +5 4 2 +6 5 2 affected rows: 5 disconnect con1; disconnect con2; diff --git a/mysql-test/suite/innodb/r/innodb_bulk_create_index_debug.result b/mysql-test/suite/innodb/r/innodb_bulk_create_index_debug.result index cd5a3c340da..295a9f1bed8 100644 --- a/mysql-test/suite/innodb/r/innodb_bulk_create_index_debug.result +++ b/mysql-test/suite/innodb/r/innodb_bulk_create_index_debug.result @@ -17,21 +17,9 @@ SELECT COUNT(*) FROM t1; COUNT(*) 10000 CREATE INDEX idx_title ON t1(title); -CHECK TABLE t1; -Table Op Msg_type Msg_text -test.t1 check status OK -SELECT * FROM t1 WHERE title = 'a10'; -class id title -10 10 a10 -SELECT * FROM t1 WHERE title = 'a5000'; -class id title -5000 5000 a5000 -SELECT * FROM t1 WHERE title = 'a10000'; -class id title -10000 10000 a10000 -SELECT * FROM t1 WHERE title = 'a10010'; -class id title -DROP TABLE t1; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +RENAME TABLE t1 TO t0; # Test Blob CREATE TABLE t1( a INT PRIMARY KEY, @@ -48,9 +36,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -ALTER TABLE t1 DROP COLUMN c; -CHECK TABLE t1; +ALTER TABLE t1 DROP COLUMN c, FORCE; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +CHECK TABLE t0,t1; Table Op Msg_type Msg_text +test.t0 check status OK test.t1 check status OK SELECT CHAR_LENGTH(b) FROM t1; CHAR_LENGTH(b) @@ -59,14 +50,33 @@ CHAR_LENGTH(b) 40000 60000 DROP TABLE t1; +RENAME TABLE t0 to t1; +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +SELECT * FROM t1 WHERE title = 'a10'; +class id title +10 10 a10 +SELECT * FROM t1 WHERE title = 'a5000'; +class id title +5000 5000 a5000 +SELECT * FROM t1 WHERE title = 'a10000'; +class id title +10000 10000 a10000 +SELECT * FROM t1 WHERE title = 'a10010'; +class id title +DROP TABLE t1; CREATE TABLE t1( class INT, id INT, title VARCHAR(100) ) ENGINE=InnoDB ROW_FORMAT=REDUNDANT; -SET debug_dbug='+d,crash_commit_before'; +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; CREATE INDEX idx_title ON t1(title); -ERROR HY000: Lost connection to MySQL server during query +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; SELECT COUNT(*) FROM t1; COUNT(*) 10000 @@ -104,9 +114,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -SET debug_dbug='+d,crash_commit_before'; -ALTER TABLE t1 DROP COLUMN c; -ERROR HY000: Lost connection to MySQL server during query +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; +ALTER TABLE t1 DROP COLUMN c, FORCE; +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK @@ -137,21 +150,9 @@ SELECT COUNT(*) FROM t1; COUNT(*) 10000 CREATE INDEX idx_title ON t1(title); -CHECK TABLE t1; -Table Op Msg_type Msg_text -test.t1 check status OK -SELECT * FROM t1 WHERE title = 'a10'; -class id title -10 10 a10 -SELECT * FROM t1 WHERE title = 'a5000'; -class id title -5000 5000 a5000 -SELECT * FROM t1 WHERE title = 'a10000'; -class id title -10000 10000 a10000 -SELECT * FROM t1 WHERE title = 'a10010'; -class id title -DROP TABLE t1; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +RENAME TABLE t1 TO t0; # Test Blob CREATE TABLE t1( a INT PRIMARY KEY, @@ -168,9 +169,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -ALTER TABLE t1 DROP COLUMN c; -CHECK TABLE t1; +ALTER TABLE t1 DROP COLUMN c, FORCE; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +CHECK TABLE t0,t1; Table Op Msg_type Msg_text +test.t0 check status OK test.t1 check status OK SELECT CHAR_LENGTH(b) FROM t1; CHAR_LENGTH(b) @@ -179,14 +183,33 @@ CHAR_LENGTH(b) 40000 60000 DROP TABLE t1; +RENAME TABLE t0 to t1; +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +SELECT * FROM t1 WHERE title = 'a10'; +class id title +10 10 a10 +SELECT * FROM t1 WHERE title = 'a5000'; +class id title +5000 5000 a5000 +SELECT * FROM t1 WHERE title = 'a10000'; +class id title +10000 10000 a10000 +SELECT * FROM t1 WHERE title = 'a10010'; +class id title +DROP TABLE t1; CREATE TABLE t1( class INT, id INT, title VARCHAR(100) ) ENGINE=InnoDB ROW_FORMAT=COMPACT; -SET debug_dbug='+d,crash_commit_before'; +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; CREATE INDEX idx_title ON t1(title); -ERROR HY000: Lost connection to MySQL server during query +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; SELECT COUNT(*) FROM t1; COUNT(*) 10000 @@ -224,9 +247,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -SET debug_dbug='+d,crash_commit_before'; -ALTER TABLE t1 DROP COLUMN c; -ERROR HY000: Lost connection to MySQL server during query +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; +ALTER TABLE t1 DROP COLUMN c, FORCE; +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK @@ -257,21 +283,9 @@ SELECT COUNT(*) FROM t1; COUNT(*) 10000 CREATE INDEX idx_title ON t1(title); -CHECK TABLE t1; -Table Op Msg_type Msg_text -test.t1 check status OK -SELECT * FROM t1 WHERE title = 'a10'; -class id title -10 10 a10 -SELECT * FROM t1 WHERE title = 'a5000'; -class id title -5000 5000 a5000 -SELECT * FROM t1 WHERE title = 'a10000'; -class id title -10000 10000 a10000 -SELECT * FROM t1 WHERE title = 'a10010'; -class id title -DROP TABLE t1; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +RENAME TABLE t1 TO t0; # Test Blob CREATE TABLE t1( a INT PRIMARY KEY, @@ -288,9 +302,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -ALTER TABLE t1 DROP COLUMN c; -CHECK TABLE t1; +ALTER TABLE t1 DROP COLUMN c, FORCE; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +CHECK TABLE t0,t1; Table Op Msg_type Msg_text +test.t0 check status OK test.t1 check status OK SELECT CHAR_LENGTH(b) FROM t1; CHAR_LENGTH(b) @@ -299,14 +316,33 @@ CHAR_LENGTH(b) 40000 60000 DROP TABLE t1; +RENAME TABLE t0 to t1; +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +SELECT * FROM t1 WHERE title = 'a10'; +class id title +10 10 a10 +SELECT * FROM t1 WHERE title = 'a5000'; +class id title +5000 5000 a5000 +SELECT * FROM t1 WHERE title = 'a10000'; +class id title +10000 10000 a10000 +SELECT * FROM t1 WHERE title = 'a10010'; +class id title +DROP TABLE t1; CREATE TABLE t1( class INT, id INT, title VARCHAR(100) ) ENGINE=InnoDB ROW_FORMAT=DYNAMIC; -SET debug_dbug='+d,crash_commit_before'; +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; CREATE INDEX idx_title ON t1(title); -ERROR HY000: Lost connection to MySQL server during query +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; SELECT COUNT(*) FROM t1; COUNT(*) 10000 @@ -344,9 +380,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -SET debug_dbug='+d,crash_commit_before'; -ALTER TABLE t1 DROP COLUMN c; -ERROR HY000: Lost connection to MySQL server during query +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; +ALTER TABLE t1 DROP COLUMN c, FORCE; +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK @@ -378,21 +417,9 @@ SELECT COUNT(*) FROM t1; COUNT(*) 10000 CREATE INDEX idx_title ON t1(title); -CHECK TABLE t1; -Table Op Msg_type Msg_text -test.t1 check status OK -SELECT * FROM t1 WHERE title = 'a10'; -class id title -10 10 a10 -SELECT * FROM t1 WHERE title = 'a5000'; -class id title -5000 5000 a5000 -SELECT * FROM t1 WHERE title = 'a10000'; -class id title -10000 10000 a10000 -SELECT * FROM t1 WHERE title = 'a10010'; -class id title -DROP TABLE t1; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +RENAME TABLE t1 TO t0; # Test Blob SET GLOBAL innodb_file_per_table=1; CREATE TABLE t1( @@ -410,9 +437,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -ALTER TABLE t1 DROP COLUMN c; -CHECK TABLE t1; +ALTER TABLE t1 DROP COLUMN c, FORCE; +affected rows: 0 +info: Records: 0 Duplicates: 0 Warnings: 0 +CHECK TABLE t0,t1; Table Op Msg_type Msg_text +test.t0 check status OK test.t1 check status OK SELECT CHAR_LENGTH(b) FROM t1; CHAR_LENGTH(b) @@ -421,15 +451,34 @@ CHAR_LENGTH(b) 40000 60000 DROP TABLE t1; +RENAME TABLE t0 to t1; +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +SELECT * FROM t1 WHERE title = 'a10'; +class id title +10 10 a10 +SELECT * FROM t1 WHERE title = 'a5000'; +class id title +5000 5000 a5000 +SELECT * FROM t1 WHERE title = 'a10000'; +class id title +10000 10000 a10000 +SELECT * FROM t1 WHERE title = 'a10010'; +class id title +DROP TABLE t1; SET GLOBAL innodb_file_per_table=1; CREATE TABLE t1( class INT, id INT, title VARCHAR(100) ) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4; -SET debug_dbug='+d,crash_commit_before'; +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; CREATE INDEX idx_title ON t1(title); -ERROR HY000: Lost connection to MySQL server during query +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; SELECT COUNT(*) FROM t1; COUNT(*) 10000 @@ -468,9 +517,12 @@ CHAR_LENGTH(b) 20000 40000 60000 -SET debug_dbug='+d,crash_commit_before'; -ALTER TABLE t1 DROP COLUMN c; -ERROR HY000: Lost connection to MySQL server during query +connect hang,localhost,root; +SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever'; +ALTER TABLE t1 DROP COLUMN c, FORCE; +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +disconnect hang; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK @@ -481,5 +533,4 @@ CHAR_LENGTH(b) 40000 60000 DROP TABLE t1; -SET GLOBAL innodb_file_per_table=default; DROP PROCEDURE populate_t1; diff --git a/mysql-test/suite/innodb/r/trx_id_future.result b/mysql-test/suite/innodb/r/trx_id_future.result index 887d11ddcc2..17b76b4b1c1 100644 --- a/mysql-test/suite/innodb/r/trx_id_future.result +++ b/mysql-test/suite/innodb/r/trx_id_future.result @@ -2,8 +2,10 @@ # Bug #20445525 ADD A CONSISTENCY CHECK AGAINST DB_TRX_ID BEING # IN THE FUTURE # +SET GLOBAL innodb_purge_rseg_truncate_frequency=1; CREATE TABLE t1(a INT) row_format=redundant engine=innoDB; INSERT INTO t1 VALUES(1); +InnoDB 0 transactions not purged NOT FOUND /\[Warning\] InnoDB: A transaction id in a record of table `test`\.`t1` is newer than the system-wide maximum/ in mysqld.1.err call mtr.add_suppression("\\[Warning\\] InnoDB: A transaction id in a record of table `test`\\.`t1` is newer than the system-wide maximum"); SELECT * FROM t1; diff --git a/mysql-test/suite/innodb/t/alter_copy.test b/mysql-test/suite/innodb/t/alter_copy.test index 0dce61994b5..b7ab05a061a 100644 --- a/mysql-test/suite/innodb/t/alter_copy.test +++ b/mysql-test/suite/innodb/t/alter_copy.test @@ -37,11 +37,11 @@ SELECT * FROM t1 WHERE MATCH(b,c) AGAINST ('column'); SHOW CREATE TABLE t1; ALTER TABLE t1 FORCE, ALGORITHM=COPY; -# crash right after the last write_row(), before the first commit of ALTER TABLE ---source include/expect_crash.inc +# kill right after the last write_row(), before the first commit of ALTER TABLE +connect (hang,localhost,root); -SET DEBUG_DBUG='+d,crash_commit_before'; ---error 2013 +SET DEBUG_SYNC='alter_table_copy_trans_commit SIGNAL hung WAIT_FOR ever'; +send # create 32 secondary indexes ALTER TABLE t ADD INDEX(b,c,d,a),ADD INDEX(b,c,a,d),ADD INDEX(b,a,c,d),ADD INDEX(b,a,d,c), ADD INDEX(b,d,a,c),ADD INDEX(b,d,c,a),ADD INDEX(a,b,c,d),ADD INDEX(a,b,d,c), @@ -53,8 +53,13 @@ ALTER TABLE t ADD INDEX(b,c,d,a),ADD INDEX(b,c,a,d),ADD INDEX(b,a,c,d),ADD INDEX ADD INDEX(a,b,d), ADD INDEX(a,d,b), ADD INDEX(b,c,d), ADD INDEX(b,d,c), ALGORITHM=COPY; +connection default; +SET DEBUG_SYNC='now WAIT_FOR hung'; +let $shutdown_timeout=0; --let $restart_parameters= --innodb-force-recovery=3 ---source include/start_mysqld.inc +--source include/restart_mysqld.inc +disconnect hang; +let $shutdown_timeout=; let $datadir=`select @@datadir`; --replace_regex /#sql-[0-9a-f_]*/#sql-temporary/ /FTS_[0-9a-f]*_[0-9a-f]*/FTS/ --list_files $datadir/test diff --git a/mysql-test/suite/innodb/t/auto_increment_dup.test b/mysql-test/suite/innodb/t/auto_increment_dup.test index aa399e5966d..9e54a6a8a66 100644 --- a/mysql-test/suite/innodb/t/auto_increment_dup.test +++ b/mysql-test/suite/innodb/t/auto_increment_dup.test @@ -8,8 +8,6 @@ --source include/have_debug_sync.inc --source include/innodb_binlog.inc -let $stmt= `SELECT @@GLOBAL.log_bin`; - set global transaction isolation level repeatable read; CREATE TABLE t1( @@ -84,13 +82,7 @@ SET DEBUG_SYNC='ha_write_row_end SIGNAL write_row_done WAIT_FOR continue'; --reap SET DEBUG_SYNC='execute_command_after_close_tables SIGNAL continue'; -if ($stmt) { ---error ER_LOCK_WAIT_TIMEOUT -INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2'; -} -if (!$stmt) { INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2'; -} --connection con1 --echo # diff --git a/mysql-test/suite/innodb/t/trx_id_future.test b/mysql-test/suite/innodb/t/trx_id_future.test index b73678abc4c..391650c13d4 100644 --- a/mysql-test/suite/innodb/t/trx_id_future.test +++ b/mysql-test/suite/innodb/t/trx_id_future.test @@ -7,14 +7,15 @@ --source include/have_innodb.inc --source include/not_embedded.inc +SET GLOBAL innodb_purge_rseg_truncate_frequency=1; let PAGE_SIZE=`select @@innodb_page_size`; CREATE TABLE t1(a INT) row_format=redundant engine=innoDB; INSERT INTO t1 VALUES(1); let MYSQLD_DATADIR=`select @@datadir`; +--source include/wait_all_purged.inc let $restart_noprint=2; - --source include/shutdown_mysqld.inc perl; diff --git a/mysql-test/suite/mariabackup/big_innodb_log.result b/mysql-test/suite/mariabackup/big_innodb_log.result new file mode 100644 index 00000000000..7bd5d20049d --- /dev/null +++ b/mysql-test/suite/mariabackup/big_innodb_log.result @@ -0,0 +1,32 @@ +# Kill the server +# restart: --debug-dbug=+d,innodb_small_log_block_no_limit +CREATE TABLE t(i INT) ENGINE InnoDB; +INSERT INTO t VALUES +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), +(0), (1), (2), (3), (4), (5), (6), (7), (8), (9); +# xtrabackup backup, execute the following query after test.t is copied: +# BEGIN NOT ATOMIC INSERT INTO test.t SELECT * FROM test.t; UPDATE test.t SET i = 10 WHERE i = 0; DELETE FROM test.t WHERE i = 1; END +SELECT count(*) FROM t WHERE i = 0; +count(*) +0 +# xtrabackup prepare +# shutdown server +# remove datadir +# xtrabackup move back +# restart: --debug-dbug=+d,innodb_small_log_block_no_limit +SELECT count(*) FROM t WHERE i = 0; +count(*) +0 +Ok +Ok +DROP TABLE t; +# Kill the server +# restart diff --git a/mysql-test/suite/mariabackup/big_innodb_log.test b/mysql-test/suite/mariabackup/big_innodb_log.test new file mode 100644 index 00000000000..05dc3aa39c5 --- /dev/null +++ b/mysql-test/suite/mariabackup/big_innodb_log.test @@ -0,0 +1,87 @@ +# The general reason why innodb redo log file is limited by 512G is that +# log_block_convert_lsn_to_no() returns value limited by 1G. But there is no +# need to have unique log block numbers in log group. This test forces innodb +# to generate redo log files with non-unique log block numbers and tests +# recovery process with such numbers. +--source include/have_innodb.inc +--source include/have_debug.inc + +--let MYSQLD_DATADIR= `select @@datadir` +let $MYSQLD_BOOTSTRAP_CMD= $MYSQLD_BOOTSTRAP_CMD --datadir=$MYSQLD_DATADIR --debug-dbug=+d,innodb_small_log_block_no_limit; + +--source include/kill_mysqld.inc +--rmdir $MYSQLD_DATADIR +--mkdir $MYSQLD_DATADIR +--mkdir $MYSQLD_DATADIR/mysql +--mkdir $MYSQLD_DATADIR/test +--exec $MYSQLD_BOOTSTRAP_CMD < $MYSQL_BOOTSTRAP_SQL_FILE >> $MYSQLTEST_VARDIR/tmp/bootstrap.log 2>&1 +let $old_restart_parameters=$restart_parameters; +let $restart_parameters= $old_restart_parameters --debug-dbug=+d,innodb_small_log_block_no_limit; +--source include/start_mysqld.inc + +CREATE TABLE t(i INT) ENGINE InnoDB; +INSERT INTO t VALUES + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), + (0), (1), (2), (3), (4), (5), (6), (7), (8), (9); + +--let after_copy_test_t=BEGIN NOT ATOMIC INSERT INTO test.t SELECT * FROM test.t; UPDATE test.t SET i = 10 WHERE i = 0; DELETE FROM test.t WHERE i = 1; END + +--echo # xtrabackup backup, execute the following query after test.t is copied: +--echo # $after_copy_test_t +let $targetdir=$MYSQLTEST_VARDIR/tmp/backup; + +--disable_result_log +exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --parallel=10 --target-dir=$targetdir --dbug=+d,mariabackup_events,innodb_small_log_block_no_limit; +--enable_result_log + +--let $total_before=`SELECT count(*) FROM t` +SELECT count(*) FROM t WHERE i = 0; +--let $updated_before=`SELECT count(*) FROM t WHERE i = 10` + +echo # xtrabackup prepare; +--disable_result_log +exec $XTRABACKUP --prepare --target-dir=$targetdir --dbug=+d,innodb_small_log_block_no_limit; +--source include/restart_and_restore.inc +--enable_result_log + +--let $total_after=`SELECT count(*) FROM t` +SELECT count(*) FROM t WHERE i = 0; +--let $updated_after=`SELECT count(*) FROM t WHERE i = 10` + +if ($total_before == $total_after) { +--echo Ok +} +if ($total_before != $total_after) { +--echo Failed +} +if ($updated_before == $updated_after) { +--echo Ok +} +if ($updated_before != $updated_after) { +--echo Failed +} + +DROP TABLE t; +rmdir $targetdir; +--source include/kill_mysqld.inc +--rmdir $MYSQLD_DATADIR + +perl; +use lib "lib"; +use My::File::Path; +my $install_db_dir = ($ENV{MTR_PARALLEL} == 1) ? + "$ENV{'MYSQLTEST_VARDIR'}/install.db" : + "$ENV{'MYSQLTEST_VARDIR'}/../install.db"; +copytree($install_db_dir, $ENV{'MYSQLD_DATADIR'}); +EOF + +--let $restart_parameters= $old_restart_parameters +--source include/start_mysqld.inc diff --git a/mysql-test/suite/rpl/r/rpl_create_or_replace_fail.result b/mysql-test/suite/rpl/r/rpl_create_or_replace_fail.result new file mode 100644 index 00000000000..5cb2cd36d02 --- /dev/null +++ b/mysql-test/suite/rpl/r/rpl_create_or_replace_fail.result @@ -0,0 +1,20 @@ +include/master-slave.inc +[connection master] +CREATE TEMPORARY TABLE t1 (a INT NOT NULL); +LOAD DATA INFILE 'x' INTO TABLE x; +ERROR 42S02: Table 'test.x' doesn't exist +CREATE OR REPLACE TEMPORARY TABLE t1 (x INT) PARTITION BY HASH(x); +ERROR HY000: Cannot create temporary table with partitions +"************** DROP TEMPORARY TABLE Should be present in Binary log **************" +include/show_binlog_events.inc +Log_name Pos Event_type Server_id End_log_pos Info +master-bin.000001 # Gtid # # GTID #-#-# +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE t1 (a INT NOT NULL) +master-bin.000001 # Gtid # # GTID #-#-# +master-bin.000001 # Query # # use `test`; CREATE OR REPLACE TEMPORARY TABLE t1 (x INT) PARTITION BY HASH(x) +CREATE TABLE t1 (b INT); +INSERT INTO t1 VALUES (NULL); +connection slave; +connection master; +DROP TABLE t1; +include/rpl_end.inc diff --git a/mysql-test/suite/rpl/r/rpl_gtid_delete_domain.result b/mysql-test/suite/rpl/r/rpl_gtid_delete_domain.result index 75a22b78a32..74648501fbe 100644 --- a/mysql-test/suite/rpl/r/rpl_gtid_delete_domain.result +++ b/mysql-test/suite/rpl/r/rpl_gtid_delete_domain.result @@ -41,7 +41,7 @@ START SLAVE; .. con='slave' warn='1' qlog='1' rlog='1' aborterr='1' ...==== BEGIN include/wait_for_slave_param.inc [Slave_IO_Running] ==== ... con='slave' warn='1' qlog='1' rlog='1' aborterr='1' -Waiting until 'Slave_IO_Running' = 'Yes' [timeout='300', $slave_error_param='Last_IO_Errno'] +Waiting until 'Slave_IO_Running' = 'Yes' [$slave_error_param='Last_IO_Errno'] [connection slave] ...==== END include/wait_for_slave_param.inc [Slave_IO_Running] ==== ... con='slave' warn='1' qlog='1' rlog='1' aborterr='1' @@ -52,7 +52,7 @@ Waiting until 'Slave_IO_Running' = 'Yes' [timeout='300', $slave_error_param='Las .. con='slave' warn='1' qlog='1' rlog='1' aborterr='1' ...==== BEGIN include/wait_for_slave_param.inc [Slave_SQL_Running] ==== ... con='slave' warn='1' qlog='1' rlog='1' aborterr='1' -Waiting until 'Slave_SQL_Running' = 'Yes' [timeout='300', $slave_error_param='1'] +Waiting until 'Slave_SQL_Running' = 'Yes' [$slave_error_param='1'] [connection slave] ...==== END include/wait_for_slave_param.inc [Slave_SQL_Running] ==== ... con='slave' warn='1' qlog='1' rlog='1' aborterr='1' diff --git a/mysql-test/suite/rpl/r/rpl_known_bugs_detection.result b/mysql-test/suite/rpl/r/rpl_known_bugs_detection.result index 3cbb590b9a7..e935f8083c8 100644 --- a/mysql-test/suite/rpl/r/rpl_known_bugs_detection.result +++ b/mysql-test/suite/rpl/r/rpl_known_bugs_detection.result @@ -1,31 +1,5 @@ call mtr.add_suppression("Unsafe statement written to the binary log using statement format"); include/master-slave.inc -[connection master] -call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT."); -CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT, -UNIQUE(b)); -connection slave; -connection master; -INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10; -SELECT * FROM t1; -a b -1 10 -2 2 -connection slave; -call mtr.add_suppression("Slave SQL.*suffer.*http:..bugs.mysql.com.bug.php.id=24432"); -include/wait_for_slave_sql_error.inc [errno=1105] -Last_SQL_Error = 'Error 'master may suffer from http://bugs.mysql.com/bug.php?id=24432 so slave stops; check error log on slave for more info' on query. Default database: 'test'. Query: 'INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10'' -SELECT * FROM t1; -a b -stop slave; -include/wait_for_slave_to_stop.inc -reset slave; -connection master; -reset master; -drop table t1; -connection slave; -start slave; -include/wait_for_slave_to_start.inc connection master; CREATE TABLE t1 ( id bigint(20) unsigned NOT NULL auto_increment, diff --git a/mysql-test/suite/rpl/r/rpl_mdev_17614.result b/mysql-test/suite/rpl/r/rpl_mdev_17614.result new file mode 100644 index 00000000000..39057334926 --- /dev/null +++ b/mysql-test/suite/rpl/r/rpl_mdev_17614.result @@ -0,0 +1,129 @@ +include/master-slave.inc +[connection master] +call mtr.add_suppression("Unsafe statement written to the binary log using statement format"); +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY , b INT, +UNIQUE(b), c int) engine=innodb; +connection slave; +connection master; +INSERT INTO t1 VALUES (1, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe +connection master1; +INSERT INTO t1 VALUES(2, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe +connection master; +COMMIT; +SELECT * FROM t1; +a b c +1 1 2 +2 2 3 +connection slave; +include/wait_for_slave_sql_error.inc [errno=1062] +Last_SQL_Error = 'Error 'Duplicate entry '1' for key 'b'' on query. Default database: 'test'. Query: 'INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c)'' +#Different value from server +SELECT * FROM t1; +a b c +1 1 1 +2 2 3 +stop slave; +include/wait_for_slave_to_stop.inc +reset slave; +connection master; +reset master; +drop table t1; +connection slave; +start slave; +include/wait_for_slave_to_start.inc +connection master; +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY auto_increment, b INT, +UNIQUE(b), c int) engine=innodb; +connection slave; +connection master; +INSERT INTO t1 VALUES (default, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (default, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +connection master1; +INSERT INTO t1 VALUES(default, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +connection master; +COMMIT; +SELECT * FROM t1; +a b c +1 1 2 +3 2 3 +connection slave; +#same data as master +SELECT * FROM t1; +a b c +1 1 2 +3 2 3 +connection master; +drop table t1; +connection slave; +connection master; +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY, b INT, +UNIQUE(b), c int, d int ) engine=innodb; +connection slave; +connection master; +INSERT INTO t1 VALUES (1, 1, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (2, NULL, 2, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe +connection master1; +INSERT INTO t1 VALUES(3, NULL, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe +connection master; +COMMIT; +SELECT * FROM t1; +a b c d +1 1 1 1 +2 NULL 2 2 +3 NULL 2 3 +connection slave; +#same data as master +SELECT * FROM t1; +a b c d +1 1 1 1 +2 NULL 2 2 +3 NULL 2 3 +connection master; +drop table t1; +connection slave; +connection master; +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY auto_increment, b INT, +UNIQUE(b), c int) engine=innodb; +connection slave; +connection master; +INSERT INTO t1 VALUES (1, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +connection master1; +INSERT INTO t1 VALUES(2, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +connection master; +COMMIT; +SELECT * FROM t1; +a b c +1 1 2 +2 2 3 +connection slave; +include/wait_for_slave_sql_error.inc [errno=1062] +Last_SQL_Error = 'Error 'Duplicate entry '1' for key 'b'' on query. Default database: 'test'. Query: 'INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c)'' +#Different value from server +SELECT * FROM t1; +a b c +1 1 1 +2 2 3 +stop slave; +include/wait_for_slave_to_stop.inc +reset slave; +connection master; +reset master; +drop table t1; +connection slave; +start slave; +include/wait_for_slave_to_start.inc +include/rpl_end.inc diff --git a/mysql-test/suite/rpl/r/rpl_sync_with_innodb_thd_conc.result b/mysql-test/suite/rpl/r/rpl_sync_with_innodb_thd_conc.result new file mode 100644 index 00000000000..cd9ac1db9b1 --- /dev/null +++ b/mysql-test/suite/rpl/r/rpl_sync_with_innodb_thd_conc.result @@ -0,0 +1,18 @@ +include/master-slave.inc +[connection master] +connection slave; +SET @old_innodb_thread_concurrency := @@innodb_thread_concurrency; +SET @old_innodb_thread_sleep_delay := @@innodb_thread_sleep_delay; +SET GLOBAL innodb_thread_concurrency = 100; +connection master; +CREATE TABLE t(f INT) ENGINE=INNODB; +INSERT INTO t VALUES (10); +connection slave; +include/diff_tables.inc [master:t, slave:t] +"===== Clean up=======" +connection master; +DROP TABLE t; +connection slave; +SET GLOBAL innodb_thread_concurrency = @old_innodb_thread_concurrency; +SET GLOBAL innodb_thread_sleep_delay = @old_innodb_thread_sleep_delay; +include/rpl_end.inc diff --git a/mysql-test/suite/rpl/r/rpl_unsafe_statements.result b/mysql-test/suite/rpl/r/rpl_unsafe_statements.result index ca790f5d148..0ce94ca63d0 100644 --- a/mysql-test/suite/rpl/r/rpl_unsafe_statements.result +++ b/mysql-test/suite/rpl/r/rpl_unsafe_statements.result @@ -1,5 +1,6 @@ include/master-slave.inc [connection master] +call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT"); CREATE TABLE t1(id INT AUTO_INCREMENT, i INT, PRIMARY KEY (id)) ENGINE=INNODB; CREATE TABLE t2(id INT AUTO_INCREMENT, i INT, PRIMARY KEY (id)) ENGINE=INNODB; CREATE TRIGGER trig1 AFTER INSERT ON t1 @@ -49,9 +50,13 @@ connection master; DROP TABLE t1; CREATE TABLE t1(i INT, j INT, UNIQUE KEY(i), UNIQUE KEY(j)) ENGINE=INNODB; INSERT INTO t1 (i,j) VALUES (1,2) ON DUPLICATE KEY UPDATE j=j+1; +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe START TRANSACTION; LOCK TABLES t1 WRITE; INSERT INTO t1 (i,j) VALUES (1,2) ON DUPLICATE KEY UPDATE j=j+1; +Warnings: +Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe UNLOCK TABLES; COMMIT; connection slave; diff --git a/mysql-test/suite/rpl/t/rpl_create_or_replace_fail.test b/mysql-test/suite/rpl/t/rpl_create_or_replace_fail.test new file mode 100644 index 00000000000..e75f34b0b56 --- /dev/null +++ b/mysql-test/suite/rpl/t/rpl_create_or_replace_fail.test @@ -0,0 +1,56 @@ +# ==== Purpose ==== +# +# Test verifies that failed CREATE OR REPLACE TEMPORARY TABLE statement which +# dropped the table but failed at a later stage of creation of temporary table +# is written to binarylog in row based replication. +# +# ==== Implementation ==== +# +# Steps: +# 0 - Have mixed based replication mode. +# 1 - Create a temporary table. It will be replicated as mixed replication +# mode is in use. +# 2 - Execute an unsafe statement which will switch current statement +# binlog format to 'ROW'. i.e If binlog_format=MIXED, there are open +# temporary tables, and an unsafe statement is executed, then subsequent +# statements are logged in row format. +# 3 - Execute a CREATE OR REPLACE TEMPORARY TABLE statement which tries to +# create partitions on temporary table. Since it is not supported it will +# fail. +# 4 - Check the binary log output to ensure that the failed statement is +# written to the binary log. +# 5 - Slave should be up and running and in sync with master. +# +# ==== References ==== +# +# MDEV-18930: Failed CREATE OR REPLACE TEMPORARY not written into binary log +# makes data on master and slave diverge +# + +--source include/have_partition.inc +--source include/have_binlog_format_mixed.inc +--source include/master-slave.inc + +CREATE TEMPORARY TABLE t1 (a INT NOT NULL); + +# Execute an unsafe statement which switches replication mode internally from +# "STATEMENT" to "ROW". +--error ER_NO_SUCH_TABLE +LOAD DATA INFILE 'x' INTO TABLE x; + +--error ER_PARTITION_NO_TEMPORARY +CREATE OR REPLACE TEMPORARY TABLE t1 (x INT) PARTITION BY HASH(x); + +--echo "************** DROP TEMPORARY TABLE Should be present in Binary log **************" +--source include/show_binlog_events.inc + +CREATE TABLE t1 (b INT); +INSERT INTO t1 VALUES (NULL); +--sync_slave_with_master + +# Cleanup +--connection master +DROP TABLE t1; + +--source include/rpl_end.inc + diff --git a/mysql-test/suite/rpl/t/rpl_known_bugs_detection.test b/mysql-test/suite/rpl/t/rpl_known_bugs_detection.test index ab263ece407..5ea056d5f14 100644 --- a/mysql-test/suite/rpl/t/rpl_known_bugs_detection.test +++ b/mysql-test/suite/rpl/t/rpl_known_bugs_detection.test @@ -14,45 +14,6 @@ source include/have_binlog_checksum_off.inc; source include/master-slave.inc; -call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT."); - -# -# This is to test that slave properly detects if -# master may suffer from: -# BUG#24432 "INSERT... ON DUPLICATE KEY UPDATE skips auto_increment values" -# (i.e. on master, INSERT ON DUPLICATE KEY UPDATE is used and manipulates -# an auto_increment column, and is binlogged statement-based). -# - -# testcase with INSERT VALUES -CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT, -UNIQUE(b)); -sync_slave_with_master; -connection master; -INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10; -SELECT * FROM t1; -connection slave; - -# show the error message -#1105 = ER_UNKNOWN_ERROR ---let $slave_sql_errno= 1105 ---let $show_slave_sql_error= 1 -call mtr.add_suppression("Slave SQL.*suffer.*http:..bugs.mysql.com.bug.php.id=24432"); ---source include/wait_for_slave_sql_error.inc -# show that it was not replicated -SELECT * FROM t1; - -# restart replication for the next testcase -stop slave; ---source include/wait_for_slave_to_stop.inc -reset slave; -connection master; -reset master; -drop table t1; -connection slave; -start slave; ---source include/wait_for_slave_to_start.inc - # testcase with INSERT SELECT connection master; CREATE TABLE t1 ( diff --git a/mysql-test/suite/rpl/t/rpl_mdev_17614.test b/mysql-test/suite/rpl/t/rpl_mdev_17614.test new file mode 100644 index 00000000000..9b86c8c15b5 --- /dev/null +++ b/mysql-test/suite/rpl/t/rpl_mdev_17614.test @@ -0,0 +1,121 @@ +source include/have_debug.inc; +source include/have_innodb.inc; +-- source include/have_binlog_format_statement.inc +source include/master-slave.inc; +# MDEV-17614 +# INSERT on dup key update is replication unsafe +# There can be three case +# 1. 2 unique key, Replication is unsafe. +# 2. 2 unique key , with one auto increment key, Safe to replicate because Innodb will acquire gap lock +# 3. n no of unique keys (n>1) but insert is only in 1 unique key +# 4. 2 unique key , with one auto increment key(but user gives auto inc value), unsafe to replicate + +# Case 1 +call mtr.add_suppression("Unsafe statement written to the binary log using statement format"); +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY , b INT, +UNIQUE(b), c int) engine=innodb; +sync_slave_with_master; +connection master; +INSERT INTO t1 VALUES (1, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); + --connection master1 + INSERT INTO t1 VALUES(2, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +--connection master +COMMIT; +SELECT * FROM t1; +--connection slave +# show the error message +--let $slave_sql_errno= 1062 +--let $show_slave_sql_error= 1 +--source include/wait_for_slave_sql_error.inc +--echo #Different value from server +SELECT * FROM t1; + +# restart replication for the next testcase +stop slave; +--source include/wait_for_slave_to_stop.inc +reset slave; +connection master; +reset master; +drop table t1; +connection slave; +start slave; +--source include/wait_for_slave_to_start.inc +# Case 2 +--connection master +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY auto_increment, b INT, +UNIQUE(b), c int) engine=innodb; +sync_slave_with_master; +connection master; +INSERT INTO t1 VALUES (default, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (default, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); + --connection master1 + INSERT INTO t1 VALUES(default, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +--connection master +COMMIT; +SELECT * FROM t1; +--sync_slave_with_master +--echo #same data as master +SELECT * FROM t1; + +connection master; +drop table t1; +--sync_slave_with_master + +# Case 3 +--connection master +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY, b INT, +UNIQUE(b), c int, d int ) engine=innodb; +sync_slave_with_master; +connection master; +INSERT INTO t1 VALUES (1, 1, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (2, NULL, 2, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); + --connection master1 + INSERT INTO t1 VALUES(3, NULL, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +--connection master +COMMIT; +SELECT * FROM t1; +--sync_slave_with_master +--echo #same data as master +SELECT * FROM t1; +connection master; +drop table t1; +--sync_slave_with_master + +# Case 4 +--connection master +CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY auto_increment, b INT, +UNIQUE(b), c int) engine=innodb; +sync_slave_with_master; +connection master; +INSERT INTO t1 VALUES (1, 1, 1); +BEGIN; +INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); + --connection master1 + INSERT INTO t1 VALUES(2, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); +--connection master +COMMIT; +SELECT * FROM t1; +--connection slave +# show the error message +--let $slave_sql_errno= 1062 +--let $show_slave_sql_error= 1 +--source include/wait_for_slave_sql_error.inc +--echo #Different value from server +SELECT * FROM t1; + +# restart replication for the next testcase +stop slave; +--source include/wait_for_slave_to_stop.inc +reset slave; +connection master; +reset master; +drop table t1; +connection slave; +start slave; +--source include/wait_for_slave_to_start.inc + +--source include/rpl_end.inc diff --git a/mysql-test/suite/rpl/t/rpl_sync_with_innodb_thd_conc.test b/mysql-test/suite/rpl/t/rpl_sync_with_innodb_thd_conc.test new file mode 100644 index 00000000000..b4c2971d2fb --- /dev/null +++ b/mysql-test/suite/rpl/t/rpl_sync_with_innodb_thd_conc.test @@ -0,0 +1,41 @@ +# ==== Purpose ==== +# +# Test verifies that replication shouldn't hang when number of active threads +# on the slave server are less than the allowed innodb_thread_concurrency value. +# +# ==== Implementation ==== +# +# Steps: +# 0 - Have master slave replication setup with engine being Innodb. +# 1 - Configure innodb_thread_concurrency = 100. +# 2 - Do some DML on master and sync the slave with master. +# 3 - Ensure replication doesn't hang. +# +# ==== References ==== +# +# MDEV-20247: Replication hangs with "preparing" and never starts +# + +--source include/master-slave.inc +--source include/have_innodb.inc + +--connection slave +SET @old_innodb_thread_concurrency := @@innodb_thread_concurrency; +SET @old_innodb_thread_sleep_delay := @@innodb_thread_sleep_delay; +SET GLOBAL innodb_thread_concurrency = 100; + +--connection master +CREATE TABLE t(f INT) ENGINE=INNODB; +INSERT INTO t VALUES (10); +--sync_slave_with_master + +--let $diff_tables=master:t, slave:t +--source include/diff_tables.inc + +--echo "===== Clean up=======" +--connection master +DROP TABLE t; +--sync_slave_with_master +SET GLOBAL innodb_thread_concurrency = @old_innodb_thread_concurrency; +SET GLOBAL innodb_thread_sleep_delay = @old_innodb_thread_sleep_delay; +--source include/rpl_end.inc diff --git a/mysql-test/suite/rpl/t/rpl_unsafe_statements.test b/mysql-test/suite/rpl/t/rpl_unsafe_statements.test index cbb4b54a220..aa0bd076398 100644 --- a/mysql-test/suite/rpl/t/rpl_unsafe_statements.test +++ b/mysql-test/suite/rpl/t/rpl_unsafe_statements.test @@ -24,7 +24,7 @@ --source include/have_innodb.inc --source include/have_binlog_format_mixed.inc --source include/master-slave.inc - +call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT"); # Case-1: BINLOG_STMT_UNSAFE_AUTOINC_COLUMNS # Statement is unsafe because it invokes a trigger or a # stored function that inserts into an AUTO_INCREMENT column. diff --git a/mysql-test/suite/sys_vars/r/sysvars_innodb.result b/mysql-test/suite/sys_vars/r/sysvars_innodb.result index 6a377eb2a1d..3562d016266 100644 --- a/mysql-test/suite/sys_vars/r/sysvars_innodb.result +++ b/mysql-test/suite/sys_vars/r/sysvars_innodb.result @@ -1473,7 +1473,7 @@ VARIABLE_SCOPE GLOBAL VARIABLE_TYPE BIGINT UNSIGNED VARIABLE_COMMENT Size of each log file in a log group. NUMERIC_MIN_VALUE 1048576 -NUMERIC_MAX_VALUE 549755813888 +NUMERIC_MAX_VALUE 17592186044415 NUMERIC_BLOCK_SIZE 65536 ENUM_VALUE_LIST NULL READ_ONLY YES diff --git a/mysql-test/suite/sys_vars/r/table_open_cache_basic.result b/mysql-test/suite/sys_vars/r/table_open_cache_basic.result index 2130723e5ff..2d8e9005f81 100644 --- a/mysql-test/suite/sys_vars/r/table_open_cache_basic.result +++ b/mysql-test/suite/sys_vars/r/table_open_cache_basic.result @@ -1,18 +1,9 @@ SET @start_value = @@global.table_open_cache ; -SELECT @start_value; -@start_value -421 -'#--------------------FN_DYNVARS_001_01------------------------#' -SET @@global.table_open_cache = 99; -SET @@global.table_open_cache = DeFAULT; -SELECT @@global.table_open_cache; -@@global.table_open_cache -2000 '#---------------------FN_DYNVARS_001_02-------------------------#' SET @@global.table_open_cache = Default; -SELECT @@global.table_open_cache = 400; -@@global.table_open_cache = 400 -0 +SELECT @@global.table_open_cache > 0; +@@global.table_open_cache > 0 +1 '#--------------------FN_DYNVARS_001_03------------------------#' SET @@global.table_open_cache = 8; Warnings: @@ -106,6 +97,3 @@ ERROR 42S02: Unknown table 'global' in field list SELECT table_open_cache = @@session.table_open_cache ; ERROR 42S22: Unknown column 'table_open_cache' in 'field list' SET @@global.table_open_cache = @start_value; -SELECT @@global.table_open_cache ; -@@global.table_open_cache -421 diff --git a/mysql-test/suite/sys_vars/t/table_open_cache_basic.test b/mysql-test/suite/sys_vars/t/table_open_cache_basic.test index d2450e9586e..fc838d1a28b 100644 --- a/mysql-test/suite/sys_vars/t/table_open_cache_basic.test +++ b/mysql-test/suite/sys_vars/t/table_open_cache_basic.test @@ -4,8 +4,8 @@ # Scope: GLOBAL # # Access Type: Dynamic # # Data Type: numeric # -# Default Value: 400 # -# Range: 64-524288 # +# Default Value: 400 # +# Range: 64-524288 # # # # # # Creation Date: 2008-02-13 # @@ -35,18 +35,6 @@ ########################################################################## SET @start_value = @@global.table_open_cache ; -SELECT @start_value; - - ---echo '#--------------------FN_DYNVARS_001_01------------------------#' -######################################################################## -# Display the DEFAULT value of table_open_cache # -######################################################################## - -SET @@global.table_open_cache = 99; -SET @@global.table_open_cache = DeFAULT; -SELECT @@global.table_open_cache; - --echo '#---------------------FN_DYNVARS_001_02-------------------------#' ############################################### @@ -54,7 +42,7 @@ SELECT @@global.table_open_cache; ############################################### SET @@global.table_open_cache = Default; -SELECT @@global.table_open_cache = 400; +SELECT @@global.table_open_cache > 0; --echo '#--------------------FN_DYNVARS_001_03------------------------#' ######################################################################## @@ -163,10 +151,7 @@ SELECT table_open_cache = @@session.table_open_cache ; ############################## SET @@global.table_open_cache = @start_value; -SELECT @@global.table_open_cache ; - ################################################################## # END OF table_open_cache TESTS # ################################################################## - diff --git a/mysql-test/suite/versioning/r/alter.result b/mysql-test/suite/versioning/r/alter.result index c82a4d123c4..51a0e7c5beb 100644 --- a/mysql-test/suite/versioning/r/alter.result +++ b/mysql-test/suite/versioning/r/alter.result @@ -605,5 +605,40 @@ select * from t1; a b 1 0 affected rows: 1 +# +# MDEV-19304 Segfault in ALTER TABLE after UPDATE for SIMULTANEOUS_ASSIGNMENT +# +create or replace table t1 (a int, s timestamp(6) as row start, e timestamp(6) as row end, period for system_time(s,e)) engine=myisam with system versioning; +insert into t1 values (null, null, null); +insert into t1 values (null, null, null); +set sql_mode= 'simultaneous_assignment'; +update t1 set e= 1; +Warnings: +Warning 1906 The value specified for generated column 'e' in table 't1' has been ignored +Warning 1906 The value specified for generated column 'e' in table 't1' has been ignored +alter table t1 force; +set sql_mode= default; +# +# MDEV-18862 Unfortunate error message upon attempt to drop system versioning +# +set system_versioning_alter_history= keep; +create or replace table t1 (x int) with system versioning; +alter table t1 drop column `row_start`, drop column `row_end`, drop period for system_time, drop system versioning; +ERROR 42000: Can't DROP PERIOD FOR SYSTEM_TIME on `t1`; check that it exists +alter table t1 drop period for system_time; +ERROR 42000: Can't DROP PERIOD FOR SYSTEM_TIME on `t1`; check that it exists +alter table t1 drop column `row_start`, drop column `row_end`, drop system versioning; +ERROR 42000: Can't DROP COLUMN `row_start`; check that it exists +alter table t1 drop column `row_end`; +ERROR 42000: Can't DROP COLUMN `row_end`; check that it exists +# +# MDEV-19127 Assertion `row_start_field' failed in vers_prepare_keys upon ALTER TABLE +# +set system_versioning_alter_history=keep; +create or replace table t1 (f1 int) with system versioning; +alter table t1 add f2 int with system versioning, drop system versioning; +create or replace table t1 (f1 int) with system versioning; +alter table t1 drop system versioning, add f2 int with system versioning; +ERROR HY000: Table `t1` is not system-versioned drop database test; create database test; diff --git a/mysql-test/suite/versioning/r/partition.result b/mysql-test/suite/versioning/r/partition.result index 3f2b06b3acb..9e532824414 100644 --- a/mysql-test/suite/versioning/r/partition.result +++ b/mysql-test/suite/versioning/r/partition.result @@ -554,6 +554,36 @@ t1 CREATE TABLE `t1` ( # create or replace table t1 (f int) with system versioning partition by hash(f); insert delayed into t1 values (1); +# +# MDEV-17613 MIN/MAX Optimization (Select tables optimized away) does not work +# +create or replace table t1 (pk int primary key) with system versioning +partition by system_time ( +partition p1 history, +partition pn current); +insert into t1 values (1), (2); +explain select max(pk) from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away +# +# MDEV-20068 History partition rotation is not done under LOCK TABLES +# +create or replace table t1 (x int) with system versioning partition by system_time limit 1 +(partition p1 history, partition pn current); +lock tables t1 write; +insert into t1 values (0), (1), (2), (3); +delete from t1 where x < 3; +delete from t1; +Warnings: +Warning 4114 Versioned table `test`.`t1`: partition `p1` is full, add more HISTORY partitions +unlock tables; +# +# MDEV-20336 Assertion bitmap_is_set(read_partitions) upon SELECT FOR UPDATE from versioned table +# +create or replace table t1 (pk int primary key) with system versioning partition by system_time limit 100 (partition p1 history, partition pn current); +execute immediate 'select * from t1 for update'; +pk +drop table t1; # Test cleanup drop database test; create database test; diff --git a/mysql-test/suite/versioning/r/partition_rotation.result b/mysql-test/suite/versioning/r/partition_rotation.result index 7e25f122238..69b30a56bd6 100644 --- a/mysql-test/suite/versioning/r/partition_rotation.result +++ b/mysql-test/suite/versioning/r/partition_rotation.result @@ -44,7 +44,7 @@ i 6 explain partitions select * from t1; id select_type table partitions type possible_keys key key_len ref rows Extra -1 SIMPLE t1 pn_pnsp0,pn_pnsp1 ALL NULL NULL NULL NULL 2 Using where +1 SIMPLE t1 pn_pnsp0,pn_pnsp1 ALL NULL NULL NULL NULL 2 explain partitions select * from t1 for system_time as of '2001-02-04 10:20:30'; id select_type table partitions type possible_keys key key_len ref rows Extra 1 SIMPLE t1 p1_p1sp0,p1_p1sp1,p0_p0sp0,p0_p0sp1,p2_p2sp0,p2_p2sp1,pn_pnsp0,pn_pnsp1 ALL NULL NULL NULL NULL # Using where diff --git a/mysql-test/suite/versioning/t/alter.test b/mysql-test/suite/versioning/t/alter.test index 272c8ed0f74..2874cda51cb 100644 --- a/mysql-test/suite/versioning/t/alter.test +++ b/mysql-test/suite/versioning/t/alter.test @@ -503,5 +503,40 @@ alter table t1 modify a int with system versioning; select * from t1; --disable_info +--echo # +--echo # MDEV-19304 Segfault in ALTER TABLE after UPDATE for SIMULTANEOUS_ASSIGNMENT +--echo # +create or replace table t1 (a int, s timestamp(6) as row start, e timestamp(6) as row end, period for system_time(s,e)) engine=myisam with system versioning; +insert into t1 values (null, null, null); +insert into t1 values (null, null, null); +set sql_mode= 'simultaneous_assignment'; +update t1 set e= 1; +alter table t1 force; +set sql_mode= default; + +--echo # +--echo # MDEV-18862 Unfortunate error message upon attempt to drop system versioning +--echo # +set system_versioning_alter_history= keep; +create or replace table t1 (x int) with system versioning; +--error ER_CANT_DROP_FIELD_OR_KEY +alter table t1 drop column `row_start`, drop column `row_end`, drop period for system_time, drop system versioning; +--error ER_CANT_DROP_FIELD_OR_KEY +alter table t1 drop period for system_time; +--error ER_CANT_DROP_FIELD_OR_KEY +alter table t1 drop column `row_start`, drop column `row_end`, drop system versioning; +--error ER_CANT_DROP_FIELD_OR_KEY +alter table t1 drop column `row_end`; + +--echo # +--echo # MDEV-19127 Assertion `row_start_field' failed in vers_prepare_keys upon ALTER TABLE +--echo # +set system_versioning_alter_history=keep; +create or replace table t1 (f1 int) with system versioning; +alter table t1 add f2 int with system versioning, drop system versioning; +create or replace table t1 (f1 int) with system versioning; +--error ER_VERS_NOT_VERSIONED +alter table t1 drop system versioning, add f2 int with system versioning; + drop database test; create database test; diff --git a/mysql-test/suite/versioning/t/partition.test b/mysql-test/suite/versioning/t/partition.test index 76c2556bcda..ac9b0de690a 100644 --- a/mysql-test/suite/versioning/t/partition.test +++ b/mysql-test/suite/versioning/t/partition.test @@ -488,6 +488,45 @@ create or replace table t1 (f int) with system versioning partition by hash(f); --error 0,ER_DELAYED_NOT_SUPPORTED insert delayed into t1 values (1); +--echo # +--echo # MDEV-17613 MIN/MAX Optimization (Select tables optimized away) does not work +--echo # +--disable_query_log +set @saved_storage_engine= @@default_storage_engine; +if ($MTR_COMBINATION_HEAP) +{ + # This case does not work with HEAP + set default_storage_engine= myisam; +} +--enable_query_log +create or replace table t1 (pk int primary key) with system versioning +partition by system_time ( + partition p1 history, + partition pn current); +insert into t1 values (1), (2); +explain select max(pk) from t1; +--disable_query_log +set default_storage_engine= @saved_storage_engine; +--enable_query_log + +--echo # +--echo # MDEV-20068 History partition rotation is not done under LOCK TABLES +--echo # +create or replace table t1 (x int) with system versioning partition by system_time limit 1 +(partition p1 history, partition pn current); +lock tables t1 write; +insert into t1 values (0), (1), (2), (3); +delete from t1 where x < 3; +delete from t1; +unlock tables; + +--echo # +--echo # MDEV-20336 Assertion bitmap_is_set(read_partitions) upon SELECT FOR UPDATE from versioned table +--echo # +create or replace table t1 (pk int primary key) with system versioning partition by system_time limit 100 (partition p1 history, partition pn current); +execute immediate 'select * from t1 for update'; +drop table t1; + --echo # Test cleanup drop database test; create database test; diff --git a/pcre/pcretest.c b/pcre/pcretest.c index a0e65ed9808..dcf1e2c6760 100644 --- a/pcre/pcretest.c +++ b/pcre/pcretest.c @@ -2864,7 +2864,8 @@ strncmpic(pcre_uint8 *s, pcre_uint8 *t, int n) { while (n--) { - int c = tolower(*s++) - tolower(*t++); + int c = tolower(*s) - tolower(*t); + s++; t++; if (c) return c; } return 0; diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc index 75f6585f847..b6c5db7cd5c 100644 --- a/sql/ha_partition.cc +++ b/sql/ha_partition.cc @@ -3953,7 +3953,12 @@ int ha_partition::external_lock(THD *thd, int lock_type) { if (m_part_info->part_expr) m_part_info->part_expr->walk(&Item::register_field_in_read_map, 1, 0); - if (m_part_info->part_type == VERSIONING_PARTITION) + if (m_part_info->part_type == VERSIONING_PARTITION && + /* TODO: MDEV-20345 exclude more inapproriate commands like INSERT + These commands may be excluded because working history partition is needed + only for versioned DML. */ + thd->lex->sql_command != SQLCOM_SELECT && + thd->lex->sql_command != SQLCOM_INSERT_SELECT) m_part_info->vers_set_hist_part(thd); } DBUG_RETURN(0); @@ -4095,8 +4100,24 @@ int ha_partition::start_stmt(THD *thd, thr_lock_type lock_type) /* Add partition to be called in reset(). */ bitmap_set_bit(&m_partitions_to_reset, i); } - if (lock_type == F_WRLCK && m_part_info->part_expr) - m_part_info->part_expr->walk(&Item::register_field_in_read_map, 1, 0); + switch (lock_type) + { + case TL_WRITE_ALLOW_WRITE: + case TL_WRITE_CONCURRENT_INSERT: + case TL_WRITE_DELAYED: + case TL_WRITE_DEFAULT: + case TL_WRITE_LOW_PRIORITY: + case TL_WRITE: + case TL_WRITE_ONLY: + if (m_part_info->part_expr) + m_part_info->part_expr->walk(&Item::register_field_in_read_map, 1, 0); + if (m_part_info->part_type == VERSIONING_PARTITION && + // TODO: MDEV-20345 (see above) + thd->lex->sql_command != SQLCOM_SELECT && + thd->lex->sql_command != SQLCOM_INSERT_SELECT) + m_part_info->vers_set_hist_part(thd); + default:; + } DBUG_RETURN(error); } diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc index 7151e8966ee..98da93ae699 100644 --- a/sql/item_strfunc.cc +++ b/sql/item_strfunc.cc @@ -3176,7 +3176,7 @@ bool Item_func_pad::fix_length_and_dec() DBUG_ASSERT(collation.collation->mbmaxlen > 0); if (args[1]->const_item() && !args[1]->is_expensive()) { - fix_char_length(Repeat_count(args[1]).count()); + fix_char_length_ulonglong(Repeat_count(args[1]).count()); return false; } max_length= MAX_BLOB_WIDTH; diff --git a/sql/opt_range.cc b/sql/opt_range.cc index d0c4ed2ffbc..3f8509a4b47 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -1,5 +1,5 @@ /* Copyright (c) 2000, 2015, Oracle and/or its affiliates. - Copyright (c) 2008, 2015, MariaDB + Copyright (c) 2008, 2019, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -2692,6 +2692,7 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use, KEY_PART *key_parts; KEY *key_info; PARAM param; + bool force_group_by = false; if (check_stack_overrun(thd, 2*STACK_MIN_SIZE + sizeof(PARAM), buff)) DBUG_RETURN(0); // Fatal error flag is set @@ -2856,6 +2857,7 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use, Try to construct a QUICK_GROUP_MIN_MAX_SELECT. Notice that it can be constructed no matter if there is a range tree. */ + DBUG_EXECUTE_IF("force_group_by", force_group_by = true; ); if (!only_single_index_range_scan) group_trp= get_best_group_min_max(¶m, tree, best_read_time); if (group_trp) @@ -2867,11 +2869,15 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use, if (unlikely(thd->trace_started())) group_trp->trace_basic_info(¶m, &grp_summary); - if (group_trp->read_cost < best_read_time) + if (group_trp->read_cost < best_read_time || force_group_by) { grp_summary.add("chosen", true); best_trp= group_trp; best_read_time= best_trp->read_cost; + if (force_group_by) + { + goto force_plan; + } } else grp_summary.add("chosen", false).add("cause", "cost"); @@ -2977,6 +2983,7 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use, } } +force_plan: thd->mem_root= param.old_root; /* If we got a read plan, create a quick select from it. */ @@ -12189,13 +12196,28 @@ int QUICK_RANGE_SELECT::get_next_prefix(uint prefix_length, DBUG_ASSERT(cur_prefix != NULL); result= file->ha_index_read_map(record, cur_prefix, keypart_map, HA_READ_AFTER_KEY); - if (result || last_range->max_keypart_map == 0) - DBUG_RETURN(result); - - key_range previous_endpoint; - last_range->make_max_endpoint(&previous_endpoint, prefix_length, keypart_map); - if (file->compare_key(&previous_endpoint) <= 0) - DBUG_RETURN(0); + if (result || last_range->max_keypart_map == 0) { + /* + Only return if actual failure occurred. For HA_ERR_KEY_NOT_FOUND + or HA_ERR_END_OF_FILE, we just want to continue to reach the next + set of ranges. It is possible for the storage engine to return + HA_ERR_KEY_NOT_FOUND/HA_ERR_END_OF_FILE even when there are more + keys if it respects the end range set by the read_range_first call + below. + */ + if (result != HA_ERR_KEY_NOT_FOUND && result != HA_ERR_END_OF_FILE) + DBUG_RETURN(result); + } else { + /* + For storage engines that don't respect end range, check if we've + moved past the current range. + */ + key_range previous_endpoint; + last_range->make_max_endpoint(&previous_endpoint, prefix_length, + keypart_map); + if (file->compare_key(&previous_endpoint) <= 0) + DBUG_RETURN(0); + } } uint count= ranges.elements - (uint)(cur_range - (QUICK_RANGE**) ranges.buffer); diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 881f2662345..4cf9b152940 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -2608,6 +2608,7 @@ unlink_all_closed_tables(THD *thd, MYSQL_LOCK *lock, size_t reopen_count) DBUG_ASSERT(thd->open_tables == m_reopen_array[reopen_count]); thd->open_tables->pos_in_locked_tables->table= NULL; + thd->open_tables->pos_in_locked_tables= NULL; close_thread_table(thd, &thd->open_tables); } @@ -8463,8 +8464,8 @@ fill_record(THD *thd, TABLE *table_arg, List<Item> &fields, List<Item> &values, rfield->field_index == table->next_number_field->field_index) table->auto_increment_field_not_null= TRUE; Item::Type type= value->type(); - bool vers_sys_field= table->versioned() && rfield->vers_sys_field(); - if ((rfield->vcol_info || vers_sys_field) && + const bool skip_sys_field= rfield->vers_sys_field(); // TODO: && !thd->vers_modify_history() [MDEV-16546] + if ((rfield->vcol_info || skip_sys_field) && type != Item::DEFAULT_VALUE_ITEM && type != Item::NULL_ITEM && table->s->table_category != TABLE_CATEGORY_TEMPORARY) @@ -8473,15 +8474,14 @@ fill_record(THD *thd, TABLE *table_arg, List<Item> &fields, List<Item> &values, ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN, ER_THD(thd, ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN), rfield->field_name.str, table->s->table_name.str); - if (vers_sys_field) - continue; } if (only_unvers_fields && !rfield->vers_update_unversioned()) only_unvers_fields= false; if (rfield->stored_in_db()) { - if (unlikely(value->save_in_field(rfield, 0) < 0) && !ignore_errors) + if (!skip_sys_field && + unlikely(value->save_in_field(rfield, 0) < 0) && !ignore_errors) { my_message(ER_UNKNOWN_ERROR, ER_THD(thd, ER_UNKNOWN_ERROR), MYF(0)); goto err; diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 64cfcb89ac6..363c5d35499 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -4881,12 +4881,6 @@ extern "C" int thd_slave_thread(const MYSQL_THD thd) } -extern "C" int thd_rpl_stmt_based(const MYSQL_THD thd) -{ - return thd && - !thd->is_current_stmt_binlog_format_row() && - !thd->is_current_stmt_binlog_disabled(); -} /* Returns high resolution timestamp for the start @@ -6226,6 +6220,48 @@ int THD::decide_logging_format(TABLE_LIST *tables) DBUG_RETURN(0); } +int THD::decide_logging_format_low(TABLE *table) +{ + /* + INSERT...ON DUPLICATE KEY UPDATE on a table with more than one unique keys + can be unsafe. + */ + if(wsrep_binlog_format() <= BINLOG_FORMAT_STMT && + !is_current_stmt_binlog_format_row() && + !lex->is_stmt_unsafe() && + lex->sql_command == SQLCOM_INSERT && + lex->duplicates == DUP_UPDATE) + { + uint unique_keys= 0; + uint keys= table->s->keys, i= 0; + Field *field; + for (KEY* keyinfo= table->s->key_info; + i < keys && unique_keys <= 1; i++, keyinfo++) + if (keyinfo->flags & HA_NOSAME && + !(keyinfo->key_part->field->flags & AUTO_INCREMENT_FLAG && + //User given auto inc can be unsafe + !keyinfo->key_part->field->val_int())) + { + for (uint j= 0; j < keyinfo->user_defined_key_parts; j++) + { + field= keyinfo->key_part[j].field; + if(!bitmap_is_set(table->write_set,field->field_index)) + goto exit; + } + unique_keys++; +exit:; + } + + if (unique_keys > 1) + { + lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_INSERT_TWO_KEYS); + binlog_unsafe_warning_flags|= lex->get_stmt_unsafe_flags(); + set_current_stmt_binlog_format_row_if_mixed(); + return 1; + } + } + return 0; +} /* Implementation of interface to write rows to the binary log through the diff --git a/sql/sql_class.h b/sql/sql_class.h index 5fac4369623..2b46fc69365 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -2437,6 +2437,20 @@ public: /* container for handler's private per-connection data */ Ha_data ha_data[MAX_HA]; + /** + Bit field for the state of binlog warnings. + + The first Lex::BINLOG_STMT_UNSAFE_COUNT bits list all types of + unsafeness that the current statement has. + + This must be a member of THD and not of LEX, because warnings are + detected and issued in different places (@c + decide_logging_format() and @c binlog_query(), respectively). + Between these calls, the THD->lex object may change; e.g., if a + stored routine is invoked. Only THD persists between the calls. + */ + uint32 binlog_unsafe_warning_flags; + #ifndef MYSQL_CLIENT binlog_cache_mngr * binlog_setup_trx_data(); @@ -2546,20 +2560,6 @@ private: */ enum_binlog_format current_stmt_binlog_format; - /** - Bit field for the state of binlog warnings. - - The first Lex::BINLOG_STMT_UNSAFE_COUNT bits list all types of - unsafeness that the current statement has. - - This must be a member of THD and not of LEX, because warnings are - detected and issued in different places (@c - decide_logging_format() and @c binlog_query(), respectively). - Between these calls, the THD->lex object may change; e.g., if a - stored routine is invoked. Only THD persists between the calls. - */ - uint32 binlog_unsafe_warning_flags; - /* Number of outstanding table maps, i.e., table maps in the transaction cache. @@ -4536,6 +4536,18 @@ public: } void leave_locked_tables_mode(); int decide_logging_format(TABLE_LIST *tables); + /* + In Some cases when decide_logging_format is called it does not have all + information to decide the logging format. So that cases we call decide_logging_format_2 + at later stages in execution. + One example would be binlog format for IODKU but column with unique key is not inserted. + We dont have inserted columns info when we call decide_logging_format so on later stage we call + decide_logging_format_low + + @returns 0 if no format is changed + 1 if there is change in binlog format + */ + int decide_logging_format_low(TABLE *table); enum need_invoker { INVOKER_NONE=0, INVOKER_USER, INVOKER_ROLE}; void binlog_invoker(bool role) { m_binlog_invoker= role ? INVOKER_ROLE : INVOKER_USER; } diff --git a/sql/sql_insert.cc b/sql/sql_insert.cc index 8db6aac6846..7825a7742ef 100644 --- a/sql/sql_insert.cc +++ b/sql/sql_insert.cc @@ -1061,6 +1061,7 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list, break; } + thd->decide_logging_format_low(table); #ifndef EMBEDDED_LIBRARY if (lock_type == TL_WRITE_DELAYED) { diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 6e2b10b907e..e79e96bf210 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -868,7 +868,6 @@ Item* period_get_condition(THD *thd, TABLE_LIST *table, SELECT_LEX *select, cond1= and_items(thd, cond3, cond1); } return cond1; -#undef newx } static @@ -917,6 +916,19 @@ Item* SELECT_LEX::period_setup_conds(THD *thd, TABLE_LIST *tables, Item *where) DBUG_RETURN(result); } +/** + Setup System Versioning conditions + + Add WHERE condition according to FOR SYSTEM_TIME clause. + + If the table is partitioned by SYSTEM_TIME and there is no FOR SYSTEM_TIME + clause, then select now-partition instead of modifying WHERE condition. + + @retval + -1 on error + @retval + 0 on success +*/ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables) { DBUG_ENTER("SELECT_LEX::vers_setup_conds"); @@ -974,12 +986,13 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables) vers_select_conds_t &vers_conditions= table->vers_conditions; #ifdef WITH_PARTITION_STORAGE_ENGINE - /* - if the history is stored in partitions, then partitions - themselves are not versioned - */ - if (table->partition_names && table->table->part_info->vers_info) + Vers_part_info *vers_info; + if (table->table->part_info && (vers_info= table->table->part_info->vers_info)) + { + if (table->partition_names) { + /* If the history is stored in partitions, then partitions + themselves are not versioned. */ if (vers_conditions.is_set()) { my_error(ER_VERS_QUERY_IN_PARTITION, MYF(0), table->alias.str); @@ -988,6 +1001,19 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables) else vers_conditions.init(SYSTEM_TIME_ALL); } + else if (!vers_conditions.is_set() && + /* We cannot optimize REPLACE .. SELECT because it may need + to call vers_set_hist_part() to update history. */ + thd->lex->sql_command != SQLCOM_REPLACE_SELECT) + { + table->partition_names= newx List<String>; + String *s= newx String(vers_info->now_part->partition_name, + system_charset_info); + table->partition_names->push_back(s); + table->table->file->change_partitions_to_open(table->partition_names); + vers_conditions.init(SYSTEM_TIME_ALL); + } + } #endif if (outer_table && !vers_conditions.is_set()) @@ -1042,6 +1068,7 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables) DBUG_RETURN(0); } +#undef newx /***************************************************************************** Check fields, find best join, do the select and output fields. diff --git a/sql/sql_table.cc b/sql/sql_table.cc index c8cd423a84c..f94676730b7 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -5278,7 +5278,7 @@ bool mysql_create_table(THD *thd, TABLE_LIST *create_table, err: /* In RBR we don't need to log CREATE TEMPORARY TABLE */ - if (thd->is_current_stmt_binlog_format_row() && create_info->tmp_table()) + if (!result && thd->is_current_stmt_binlog_format_row() && create_info->tmp_table()) DBUG_RETURN(result); if (create_info->tmp_table()) @@ -7943,9 +7943,11 @@ mysql_prepare_alter_table(THD *thd, TABLE *table, KEY *key_info=table->key_info; bool rc= TRUE; bool modified_primary_key= FALSE; + bool vers_system_invisible= false; Create_field *def; Field **f_ptr,*field; MY_BITMAP *dropped_fields= NULL; // if it's NULL - no dropped fields + bool save_reopen= table->m_needs_reopen; bool drop_period= false; DBUG_ENTER("mysql_prepare_alter_table"); @@ -8052,7 +8054,11 @@ mysql_prepare_alter_table(THD *thd, TABLE *table, bitmap_set_bit(dropped_fields, field->field_index); continue; } - + if (field->invisible == INVISIBLE_SYSTEM && + field->flags & VERS_SYSTEM_FIELD) + { + vers_system_invisible= true; + } /* invisible versioning column is dropped automatically on DROP SYSTEM VERSIONING */ if (!drop && field->invisible >= INVISIBLE_SYSTEM && field->flags & VERS_SYSTEM_FIELD && @@ -8170,7 +8176,8 @@ mysql_prepare_alter_table(THD *thd, TABLE *table, dropped_sys_vers_fields &= VERS_SYSTEM_FIELD; if ((dropped_sys_vers_fields || alter_info->flags & ALTER_DROP_PERIOD) && - dropped_sys_vers_fields != VERS_SYSTEM_FIELD) + dropped_sys_vers_fields != VERS_SYSTEM_FIELD && + !vers_system_invisible) { StringBuffer<NAME_LEN*3> tmp; append_drop_column(thd, dropped_sys_vers_fields & VERS_SYS_START_FLAG, @@ -8180,6 +8187,11 @@ mysql_prepare_alter_table(THD *thd, TABLE *table, my_error(ER_MISSING, MYF(0), table->s->table_name.str, tmp.c_ptr()); goto err; } + else if (alter_info->flags & ALTER_DROP_PERIOD && vers_system_invisible) + { + my_error(ER_CANT_DROP_FIELD_OR_KEY, MYF(0), "PERIOD FOR SYSTEM_TIME on", table->s->table_name.str); + goto err; + } alter_info->flags &= ~(ALTER_DROP_PERIOD | ALTER_ADD_PERIOD); def_it.rewind(); while ((def=def_it++)) // Add new columns @@ -8687,7 +8699,9 @@ mysql_prepare_alter_table(THD *thd, TABLE *table, alter_info->create_list.swap(new_create_list); alter_info->key_list.swap(new_key_list); alter_info->check_constraint_list.swap(new_constraint_list); + DBUG_RETURN(rc); err: + table->m_needs_reopen= save_reopen; DBUG_RETURN(rc); } @@ -10345,6 +10359,7 @@ end_temporary: (ulong) (copied + deleted), (ulong) deleted, (ulong) thd->get_stmt_da()->current_statement_warn_count()); my_ok(thd, copied + deleted, 0L, alter_ctx.tmp_buff); + DEBUG_SYNC(thd, "alter_table_inplace_trans_commit"); DBUG_RETURN(false); err_new_table_cleanup: @@ -10411,7 +10426,8 @@ err_with_mdl: tables and release the exclusive metadata lock. */ thd->locked_tables_list.unlink_all_closed_tables(thd, NULL, 0); - thd->mdl_context.release_all_locks_for_name(mdl_ticket); + if (!table_list->table) + thd->mdl_context.release_all_locks_for_name(mdl_ticket); DBUG_RETURN(true); } @@ -10444,12 +10460,14 @@ bool mysql_trans_commit_alter_copy_data(THD *thd) uint save_unsafe_rollback_flags; DBUG_ENTER("mysql_trans_commit_alter_copy_data"); - /* Save flags as transcommit_implicit_are_deleting_them */ + /* Save flags as trans_commit_implicit are deleting them */ save_unsafe_rollback_flags= thd->transaction.stmt.m_unsafe_rollback_flags; + DEBUG_SYNC(thd, "alter_table_copy_trans_commit"); + if (ha_enable_transaction(thd, TRUE)) DBUG_RETURN(TRUE); - + /* Ensure that the new table is saved properly to disk before installing the new .frm. diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy index bd4277e7fea..9cf1bdd5e3e 100644 --- a/sql/sql_yacc.yy +++ b/sql/sql_yacc.yy @@ -7269,6 +7269,11 @@ serial_attribute: { Lex->last_field->versioning= $1; Lex->create_info.options|= HA_VERSIONED_TABLE; + if (Lex->alter_info.flags & ALTER_DROP_SYSTEM_VERSIONING) + { + my_yyabort_error((ER_VERS_NOT_VERSIONED, MYF(0), + Lex->create_last_non_select_table->table_name.str)); + } } ; @@ -8462,6 +8467,7 @@ alter_list_item: | DROP SYSTEM VERSIONING_SYM { Lex->alter_info.flags|= ALTER_DROP_SYSTEM_VERSIONING; + Lex->create_info.options&= ~HA_VERSIONED_TABLE; } | DROP PERIOD_SYM FOR_SYSTEM_TIME_SYM { diff --git a/sql/sql_yacc_ora.yy b/sql/sql_yacc_ora.yy index a19f8d85a9e..e04554d4e88 100644 --- a/sql/sql_yacc_ora.yy +++ b/sql/sql_yacc_ora.yy @@ -7357,6 +7357,11 @@ serial_attribute: { Lex->last_field->versioning= $1; Lex->create_info.options|= HA_VERSIONED_TABLE; + if (Lex->alter_info.flags & ALTER_DROP_SYSTEM_VERSIONING) + { + my_yyabort_error((ER_VERS_NOT_VERSIONED, MYF(0), + Lex->create_last_non_select_table->table_name.str)); + } } ; @@ -8563,6 +8568,7 @@ alter_list_item: | DROP SYSTEM VERSIONING_SYM { Lex->alter_info.flags|= ALTER_DROP_SYSTEM_VERSIONING; + Lex->create_info.options&= ~HA_VERSIONED_TABLE; } | DROP PERIOD_SYM FOR_SYSTEM_TIME_SYM { diff --git a/sql/wsrep_mysqld.cc b/sql/wsrep_mysqld.cc index 0637b4db7df..74a28c4724f 100644 --- a/sql/wsrep_mysqld.cc +++ b/sql/wsrep_mysqld.cc @@ -212,7 +212,19 @@ static PSI_file_info wsrep_files[]= { { &key_file_wsrep_gra_log, "wsrep_gra_log", 0} }; -#endif + +PSI_thread_key key_wsrep_sst_joiner, key_wsrep_sst_donor, + key_wsrep_rollbacker, key_wsrep_applier; + +static PSI_thread_info wsrep_threads[]= +{ + {&key_wsrep_sst_joiner, "wsrep_sst_joiner_thread", PSI_FLAG_GLOBAL}, + {&key_wsrep_sst_donor, "wsrep_sst_donor_thread", PSI_FLAG_GLOBAL}, + {&key_wsrep_rollbacker, "wsrep_rollbacker_thread", PSI_FLAG_GLOBAL}, + {&key_wsrep_applier, "wsrep_applier_thread", PSI_FLAG_GLOBAL} +}; + +#endif /* HAVE_PSI_INTERFACE */ my_bool wsrep_inited= 0; // initialized ? @@ -759,6 +771,7 @@ void wsrep_thr_init() mysql_mutex_register("sql", wsrep_mutexes, array_elements(wsrep_mutexes)); mysql_cond_register("sql", wsrep_conds, array_elements(wsrep_conds)); mysql_file_register("sql", wsrep_files, array_elements(wsrep_files)); + mysql_thread_register("sql", wsrep_threads, array_elements(wsrep_threads)); #endif mysql_mutex_init(key_LOCK_wsrep_ready, &LOCK_wsrep_ready, MY_MUTEX_INIT_FAST); diff --git a/sql/wsrep_mysqld.h b/sql/wsrep_mysqld.h index 844437bab95..8714753ba76 100644 --- a/sql/wsrep_mysqld.h +++ b/sql/wsrep_mysqld.h @@ -341,7 +341,14 @@ extern PSI_mutex_key key_LOCK_wsrep_thd_queue; extern PSI_cond_key key_COND_wsrep_thd_queue; extern PSI_file_key key_file_wsrep_gra_log; + +extern PSI_thread_key key_wsrep_sst_joiner; +extern PSI_thread_key key_wsrep_sst_donor; +extern PSI_thread_key key_wsrep_rollbacker; +extern PSI_thread_key key_wsrep_applier; #endif /* HAVE_PSI_INTERFACE */ + + struct TABLE_LIST; class Alter_info; int wsrep_to_isolation_begin(THD *thd, const char *db_, const char *table_, diff --git a/sql/wsrep_sst.cc b/sql/wsrep_sst.cc index 3181415dad1..85d5aca342d 100644 --- a/sql/wsrep_sst.cc +++ b/sql/wsrep_sst.cc @@ -663,10 +663,10 @@ static ssize_t sst_prepare_other (const char* method, pthread_t tmp; sst_thread_arg arg(cmd_str(), env()); mysql_mutex_lock (&arg.lock); - ret= pthread_create (&tmp, NULL, sst_joiner_thread, &arg); + ret = mysql_thread_create (key_wsrep_sst_joiner, &tmp, NULL, sst_joiner_thread, &arg); if (ret) { - WSREP_ERROR("sst_prepare_other(): pthread_create() failed: %d (%s)", + WSREP_ERROR("sst_prepare_other(): mysql_thread_create() failed: %d (%s)", ret, strerror(ret)); return -ret; } @@ -1350,10 +1350,10 @@ static int sst_donate_other (const char* method, pthread_t tmp; sst_thread_arg arg(cmd_str(), env); mysql_mutex_lock (&arg.lock); - ret= pthread_create (&tmp, NULL, sst_donor_thread, &arg); + ret = mysql_thread_create (key_wsrep_sst_donor, &tmp, NULL, sst_donor_thread, &arg); if (ret) { - WSREP_ERROR("sst_donate_other(): pthread_create() failed: %d (%s)", + WSREP_ERROR("sst_donate_other(): mysql_thread_create() failed: %d (%s)", ret, strerror(ret)); return ret; } diff --git a/sql/wsrep_thd.cc b/sql/wsrep_thd.cc index c62132b16a2..5907d495ee9 100644 --- a/sql/wsrep_thd.cc +++ b/sql/wsrep_thd.cc @@ -87,9 +87,24 @@ static bool create_wsrep_THD(Wsrep_thd_args* args) { ulong old_wsrep_running_threads= wsrep_running_threads; pthread_t unused; +#ifdef HAVE_PSI_THREAD_INTERFACE + PSI_thread_key key; - bool res= pthread_create(&unused, &connection_attrib, start_wsrep_THD, - args); + switch (args->thread_type()) + { + case WSREP_APPLIER_THREAD: + key= key_wsrep_applier; + break; + case WSREP_ROLLBACKER_THREAD: + key= key_wsrep_rollbacker; + break; + default: + assert(0); + break; + } +#endif + bool res= mysql_thread_create(key, &unused, &connection_attrib, + start_wsrep_THD, (void*)args); /* if starting a thread on server startup, wait until the this thread's THD is fully initialized (otherwise a THD initialization code might diff --git a/storage/connect/myconn.cpp b/storage/connect/myconn.cpp index 253c42bb002..6de5a73875c 100644 --- a/storage/connect/myconn.cpp +++ b/storage/connect/myconn.cpp @@ -879,7 +879,7 @@ MYSQL_FIELD *MYSQLC::GetNextField(void) PQRYRES MYSQLC::GetResult(PGLOBAL g, bool pdb) { PCSZ fmt; - char *name, v; + char *name, v= 0; int n; bool uns; PCOLRES *pcrp, crp; diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index aa2f3805bd6..27a43f98a4f 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -1689,9 +1689,9 @@ innobase_srv_conc_enter_innodb( && thd_is_replication_slave_thread(trx->mysql_thd)) { const ulonglong end = my_interval_timer() + ulonglong(srv_replication_delay) * 1000000; - while (srv_conc_get_active_threads() - >= srv_thread_concurrency - || my_interval_timer() >= end) { + while ((srv_conc_get_active_threads() + >= srv_thread_concurrency) + && my_interval_timer() < end) { os_thread_sleep(2000 /* 2 ms */); } } else { @@ -3923,14 +3923,12 @@ static int innodb_init_params() DBUG_RETURN(HA_ERR_INITIALIZATION); } - if (srv_n_log_files * srv_log_file_size - >= 512ULL * 1024ULL * 1024ULL * 1024ULL) { - /* log_block_convert_lsn_to_no() limits the returned block - number to 1G and given that OS_FILE_LOG_BLOCK_SIZE is 512 - bytes, then we have a limit of 512 GB. If that limit is to - be raised, then log_block_convert_lsn_to_no() must be - modified. */ - ib::error() << "Combined size of log files must be < 512 GB"; + if (srv_n_log_files * srv_log_file_size >= log_group_max_size) { + /* Log group size is limited by the size of page number. + Remove this limitation when fil_io() is not used for + recovery log io. */ + ib::error() << "Combined size of log files must be < " + << log_group_max_size; DBUG_RETURN(HA_ERR_INITIALIZATION); } @@ -19279,7 +19277,7 @@ static MYSQL_SYSVAR_ULONG(log_buffer_size, srv_log_buffer_size, static MYSQL_SYSVAR_ULONGLONG(log_file_size, srv_log_file_size, PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY, "Size of each log file in a log group.", - NULL, NULL, 48 << 20, 1 << 20, 512ULL << 30, UNIV_PAGE_SIZE_MAX); + NULL, NULL, 48 << 20, 1 << 20, log_group_max_size, UNIV_PAGE_SIZE_MAX); /* OS_FILE_LOG_BLOCK_SIZE would be more appropriate than UNIV_PAGE_SIZE_MAX, but fil_space_t is being used for the redo log, and it uses data pages. */ diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc index 19c35c66885..3d8f068b188 100644 --- a/storage/innobase/handler/handler0alter.cc +++ b/storage/innobase/handler/handler0alter.cc @@ -56,6 +56,9 @@ Smart ALTER TABLE #include "row0sel.h" #include "ha_innodb.h" #include "ut0stage.h" +#include "span.h" + +using st_::span; static const char *MSG_UNSUPPORTED_ALTER_ONLINE_ON_VIRTUAL_COLUMN= "INPLACE ADD or DROP of virtual columns cannot be " @@ -2682,20 +2685,22 @@ innobase_set_foreign_key_option( /*******************************************************************//** Check if a foreign key constraint can make use of an index that is being created. +@param[in] col_names column names +@param[in] n_cols number of columns +@param[in] keys index information +@param[in] add indexes being created @return useable index, or NULL if none found */ static MY_ATTRIBUTE((nonnull, warn_unused_result)) const KEY* innobase_find_equiv_index( -/*======================*/ const char*const* col_names, - /*!< in: column names */ - uint n_cols, /*!< in: number of columns */ - const KEY* keys, /*!< in: index information */ - const uint* add, /*!< in: indexes being created */ - uint n_add) /*!< in: number of indexes to create */ + uint n_cols, + const KEY* keys, + span<uint> add) { - for (uint i = 0; i < n_add; i++) { - const KEY* key = &keys[add[i]]; + for (span<uint>::iterator it = add.begin(), end = add.end(); it != end; + ++it) { + const KEY* key = &keys[*it]; if (key->user_defined_key_parts < n_cols || key->flags & HA_SPATIAL) { @@ -2746,7 +2751,7 @@ no_match: Find an index whose first fields are the columns in the array in the same order and is not marked for deletion @return matching index, NULL if not found */ -static MY_ATTRIBUTE((nonnull(1,5), warn_unused_result)) +static MY_ATTRIBUTE((nonnull(1,4), warn_unused_result)) dict_index_t* innobase_find_fk_index( /*===================*/ @@ -2754,10 +2759,8 @@ innobase_find_fk_index( const char** col_names, /*!< in: column names, or NULL to use table->col_names */ - dict_index_t** drop_index, + span<dict_index_t*> drop_index, /*!< in: indexes to be dropped */ - ulint n_drop_index, - /*!< in: size of drop_index[] */ const char** columns,/*!< in: array of column names */ ulint n_cols) /*!< in: number of columns */ { @@ -2766,21 +2769,14 @@ innobase_find_fk_index( index = dict_table_get_first_index(table); while (index != NULL) { - if (dict_foreign_qualify_index( - table, col_names, columns, n_cols, - index, NULL, true, 0, - NULL, NULL, NULL)) { - for (ulint i = 0; i < n_drop_index; i++) { - if (index == drop_index[i]) { - /* Skip to-be-dropped indexes. */ - goto next_rec; - } - } - - return(index); + if (dict_foreign_qualify_index(table, col_names, columns, + n_cols, index, NULL, true, 0, + NULL, NULL, NULL) + && std::find(drop_index.begin(), drop_index.end(), index) + == drop_index.end()) { + return index; } -next_rec: index = dict_table_get_next_index(index); } @@ -2926,7 +2922,7 @@ innobase_get_foreign_key_info( index = innobase_find_fk_index( table, col_names, - drop_index, n_drop_index, + span<dict_index_t*>(drop_index, n_drop_index), column_names, i); /* MySQL would add a index in the creation @@ -2941,8 +2937,8 @@ innobase_get_foreign_key_info( if (!index && !innobase_find_equiv_index( column_names, static_cast<uint>(i), ha_alter_info->key_info_buffer, - ha_alter_info->index_add_buffer, - ha_alter_info->index_add_count)) { + span<uint>(ha_alter_info->index_add_buffer, + ha_alter_info->index_add_count))) { my_error( ER_FK_NO_INDEX_CHILD, MYF(0), @@ -7184,8 +7180,8 @@ innobase_check_foreign_key_index( foreign->referenced_col_names, foreign->n_fields, ha_alter_info->key_info_buffer, - ha_alter_info->index_add_buffer, - ha_alter_info->index_add_count)) { + span<uint>(ha_alter_info->index_add_buffer, + ha_alter_info->index_add_count))) { /* Index cannot be dropped. */ trx->error_info = index; @@ -7219,8 +7215,8 @@ innobase_check_foreign_key_index( foreign->foreign_col_names, foreign->n_fields, ha_alter_info->key_info_buffer, - ha_alter_info->index_add_buffer, - ha_alter_info->index_add_count)) { + span<uint>(ha_alter_info->index_add_buffer, + ha_alter_info->index_add_count))) { /* Index cannot be dropped. */ trx->error_info = index; diff --git a/storage/innobase/include/ha_prototypes.h b/storage/innobase/include/ha_prototypes.h index f37dff44b2f..cd7f5355818 100644 --- a/storage/innobase/include/ha_prototypes.h +++ b/storage/innobase/include/ha_prototypes.h @@ -119,9 +119,6 @@ thd_is_replication_slave_thread( /*============================*/ THD* thd); /*!< in: thread handle */ -/** @return whether statement-based replication is active */ -extern "C" int thd_rpl_stmt_based(const THD* thd); - /******************************************************************//** Returns true if the transaction this thread is processing has edited non-transactional tables. Used by the deadlock detector when deciding diff --git a/storage/innobase/include/log0log.h b/storage/innobase/include/log0log.h index 5c03db5c751..9015d78bf67 100644 --- a/storage/innobase/include/log0log.h +++ b/storage/innobase/include/log0log.h @@ -40,6 +40,10 @@ Created 12/9/1995 Heikki Tuuri #include "os0event.h" #include "os0file.h" +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + /** Maximum number of srv_n_log_files, or innodb_log_files_in_group */ #define SRV_N_LOG_FILES_MAX 100 @@ -489,6 +493,12 @@ MariaDB 10.2.18 and later will use the 10.3 format, but LOG_HEADER_SUBFORMAT header */ #define LOG_FILE_HDR_SIZE (4 * OS_FILE_LOG_BLOCK_SIZE) +/* As long as fil_io() is used to handle log io, log group max size is limited +by (maximum page number) * (minimum page size). Page number type is uint32_t. +Remove this limitation if page number is no longer used for log file io. */ +static const ulonglong log_group_max_size = + ((ulonglong(UINT32_MAX) + 1) * UNIV_PAGE_SIZE_MIN - 1); + typedef ib_mutex_t LogSysMutex; typedef ib_mutex_t FlushOrderMutex; diff --git a/storage/innobase/include/log0log.ic b/storage/innobase/include/log0log.ic index 41f987aee6b..7dfa7c0db68 100644 --- a/storage/innobase/include/log0log.ic +++ b/storage/innobase/include/log0log.ic @@ -185,7 +185,9 @@ log_block_convert_lsn_to_no( /*========================*/ lsn_t lsn) /*!< in: lsn of a byte within the block */ { - return(((ulint) (lsn / OS_FILE_LOG_BLOCK_SIZE) & 0x3FFFFFFFUL) + 1); + return(((ulint) (lsn / OS_FILE_LOG_BLOCK_SIZE) & + DBUG_EVALUATE_IF("innodb_small_log_block_no_limit", + 0xFUL, 0x3FFFFFFFUL)) + 1); } /************************************************************//** diff --git a/storage/innobase/include/row0ins.h b/storage/innobase/include/row0ins.h index 0906b516c35..82bb3c91171 100644 --- a/storage/innobase/include/row0ins.h +++ b/storage/innobase/include/row0ins.h @@ -198,10 +198,6 @@ struct ins_node_t{ entry_list and sys fields are stored here; if this is NULL, entry list should be created and buffers for sys fields in row allocated */ - dict_index_t* duplicate; - /* This is the first index that reported - DB_DUPLICATE_KEY. Used in the case of REPLACE - or INSERT ... ON DUPLICATE UPDATE. */ ulint magic_n; }; diff --git a/storage/innobase/include/span.h b/storage/innobase/include/span.h new file mode 100644 index 00000000000..faeb41029b8 --- /dev/null +++ b/storage/innobase/include/span.h @@ -0,0 +1,145 @@ +/***************************************************************************** + +Copyright (c) 2019, MariaDB Corporation. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA + +*****************************************************************************/ + +#pragma once + +#include <cstddef> +#include <iterator> + +namespace st_ { + +template <class ElementType> class span { +public: + typedef ElementType element_type; + typedef ElementType value_type; + typedef size_t index_type; + typedef ptrdiff_t difference_type; + typedef element_type* pointer; + typedef const element_type* const_pointer; + typedef element_type& reference; + typedef const element_type& const_reference; + typedef pointer iterator; + typedef const pointer const_iterator; + typedef std::reverse_iterator<iterator> reverse_iterator; + typedef std::reverse_iterator<const_iterator> const_reverse_iterator; + + span() : data_(NULL), size_(0) {} + + span(pointer ptr, index_type count) : data_(ptr), size_(count) {} + + span(pointer first, pointer last) : data_(first), size_(last - first) {} + + template <size_t N> span(element_type (&arr)[N]) : data_(arr), size_(N) + { + } + + template <class Container> + span(Container& cont) : data_(cont.begin()), size_(cont.size()) + { + } + + template <class Container> + span(const Container& cont) : data_(cont.begin()), size_(cont.size()) + { + } + + span(const span& other) : data_(other.data_), size_(other.size_) {} + + ~span(){}; + + span& operator=(const span& other) + { + data_ = other.data_; + size_ = other.size_; + return *this; + } + + template <size_t Count> span<element_type> first() const + { + assert(!empty()); + return span(data_, 1); + } + template <size_t Count> span<element_type> last() const + { + assert(!empty()); + return span(data_ + size() - 1, 1); + } + + span<element_type> first(index_type count) const + { + assert(!empty()); + return span(data_, 1); + } + span<element_type> last(index_type count) const + { + assert(!empty()); + return span(data_ + size() - 1, 1); + } + span<element_type> subspan(index_type offset, index_type count) const + { + assert(!empty()); + assert(size() >= offset + count); + return span(data_ + offset, count); + } + + index_type size() const { return size_; } + index_type size_bytes() const { return size_ * sizeof(ElementType); } + bool empty() const __attribute__((warn_unused_result)) + { + return size_ == 0; + } + + reference operator[](index_type idx) const + { + assert(size() > idx); + return data_[idx]; + } + reference front() const + { + assert(!empty()); + return data_[0]; + } + reference back() const + { + assert(!empty()); + return data_[size() - 1]; + } + pointer data() const + { + assert(!empty()); + return data_; + } + + iterator begin() const { return data_; } + iterator end() const { return data_ + size_; } + reverse_iterator rbegin() const + { + return std::reverse_iterator<iterator>(std::advance(end(), -1)); + } + reverse_iterator rend() const + { + return std::reverse_iterator<iterator>( + std::advance(begin(), -1)); + } + +private: + pointer data_; + index_type size_; +}; + +} // namespace st_ diff --git a/storage/innobase/log/log0log.cc b/storage/innobase/log/log0log.cc index c9a94f953d7..0e794a865d1 100644 --- a/storage/innobase/log/log0log.cc +++ b/storage/innobase/log/log0log.cc @@ -753,11 +753,14 @@ loop: the trailer fields of the log blocks */ for (i = 0; i < write_len / OS_FILE_LOG_BLOCK_SIZE; i++) { +#ifdef UNIV_DEBUG + ulint hdr_no_2 = log_block_get_hdr_no(buf) + i; + DBUG_EXECUTE_IF("innodb_small_log_block_no_limit", + hdr_no_2 = ((hdr_no_2 - 1) & 0xFUL) + 1;); +#endif ut_ad(pad_len >= len - || i * OS_FILE_LOG_BLOCK_SIZE >= len - pad_len - || log_block_get_hdr_no( - buf + i * OS_FILE_LOG_BLOCK_SIZE) - == log_block_get_hdr_no(buf) + i); + || i * OS_FILE_LOG_BLOCK_SIZE >= len - pad_len + || log_block_get_hdr_no(buf + i * OS_FILE_LOG_BLOCK_SIZE) == hdr_no_2); log_block_store_checksum(buf + i * OS_FILE_LOG_BLOCK_SIZE); } diff --git a/storage/innobase/que/que0que.cc b/storage/innobase/que/que0que.cc index a3e1948da27..6e4bce86df8 100644 --- a/storage/innobase/que/que0que.cc +++ b/storage/innobase/que/que0que.cc @@ -684,11 +684,6 @@ que_thr_stop( trx->lock.wait_thr = thr; thr->state = QUE_THR_LOCK_WAIT; - } else if (trx->duplicates && trx->error_state == DB_DUPLICATE_KEY - && thd_rpl_stmt_based(trx->mysql_thd)) { - - return(FALSE); - } else if (trx->error_state != DB_SUCCESS && trx->error_state != DB_LOCK_WAIT) { diff --git a/storage/innobase/row/row0ins.cc b/storage/innobase/row/row0ins.cc index bd894d06541..e1749f9ea78 100644 --- a/storage/innobase/row/row0ins.cc +++ b/storage/innobase/row/row0ins.cc @@ -85,7 +85,6 @@ ins_node_create( node->select = NULL; node->trx_id = 0; - node->duplicate = NULL; node->entry_sys_heap = mem_heap_create(128); @@ -190,7 +189,6 @@ ins_node_set_new_row( node->state = INS_NODE_SET_IX_LOCK; node->index = NULL; node->entry = NULL; - node->duplicate = NULL; node->row = row; @@ -2346,12 +2344,6 @@ row_ins_duplicate_error_in_clust( true, ULINT_UNDEFINED, &heap); - ulint lock_type = - trx->isolation_level <= TRX_ISO_READ_COMMITTED - || (trx->mysql_thd - && !thd_rpl_stmt_based(trx->mysql_thd)) - ? LOCK_REC_NOT_GAP : LOCK_ORDINARY; - /* We set a lock on the possible duplicate: this is needed in logical logging of MySQL to make sure that in roll-forward we get the same duplicate @@ -2368,13 +2360,13 @@ row_ins_duplicate_error_in_clust( INSERT ON DUPLICATE KEY UPDATE). */ err = row_ins_set_exclusive_rec_lock( - lock_type, + LOCK_REC_NOT_GAP, btr_cur_get_block(cursor), rec, cursor->index, offsets, thr); } else { err = row_ins_set_shared_rec_lock( - lock_type, + LOCK_REC_NOT_GAP, btr_cur_get_block(cursor), rec, cursor->index, offsets, thr); } @@ -2389,7 +2381,10 @@ row_ins_duplicate_error_in_clust( if (row_ins_dupl_error_with_rec( rec, entry, cursor->index, offsets)) { - goto duplicate; +duplicate: + trx->error_info = cursor->index; + err = DB_DUPLICATE_KEY; + goto func_exit; } } } @@ -2432,10 +2427,7 @@ row_ins_duplicate_error_in_clust( if (row_ins_dupl_error_with_rec( rec, entry, cursor->index, offsets)) { -duplicate: - trx->error_info = cursor->index; - err = DB_DUPLICATE_KEY; - goto func_exit; + goto duplicate; } } @@ -3083,46 +3075,6 @@ row_ins_sec_index_entry_low( &cursor, 0, __FILE__, __LINE__, &mtr); } - if (!(flags & BTR_NO_LOCKING_FLAG) - && dict_index_is_unique(index) - && thr_get_trx(thr)->duplicates - && thr_get_trx(thr)->isolation_level >= TRX_ISO_REPEATABLE_READ - && thd_rpl_stmt_based(thr_get_trx(thr)->mysql_thd)) { - - /* In statement-based replication, when replicating a - REPLACE statement or ON DUPLICATE KEY UPDATE clause, a - gap lock is taken on the position of the to-be-inserted record, - to avoid other concurrent transactions from inserting the same - record. */ - - dberr_t err; - const rec_t* rec = page_rec_get_next_const( - btr_cur_get_rec(&cursor)); - - ut_ad(!page_rec_is_infimum(rec)); - - offsets = rec_get_offsets(rec, index, offsets, true, - ULINT_UNDEFINED, &offsets_heap); - - err = row_ins_set_exclusive_rec_lock( - LOCK_GAP, btr_cur_get_block(&cursor), rec, - index, offsets, thr); - - switch (err) { - case DB_SUCCESS: - case DB_SUCCESS_LOCKED_REC: - if (thr_get_trx(thr)->error_state != DB_DUPLICATE_KEY) { - break; - } - /* Fall through (skip actual insert) after we have - successfully acquired the gap lock. */ - default: - goto func_exit; - } - } - - ut_ad(thr_get_trx(thr)->error_state == DB_SUCCESS); - if (dup_chk_only) { goto func_exit; } @@ -3682,13 +3634,6 @@ row_ins( DBUG_PRINT("row_ins", ("table: %s", node->table->name.m_name)); - trx_t* trx = thr_get_trx(thr); - - if (node->duplicate) { - ut_ad(thd_rpl_stmt_based(trx->mysql_thd)); - trx->error_state = DB_DUPLICATE_KEY; - } - if (node->state == INS_NODE_ALLOC_ROW_ID) { row_ins_alloc_row_id_step(node); @@ -3714,91 +3659,7 @@ row_ins( if (node->index->type != DICT_FTS) { dberr_t err = row_ins_index_entry_step(node, thr); - switch (err) { - case DB_SUCCESS: - break; - case DB_NO_REFERENCED_ROW: - if (!dict_index_is_unique(node->index)) { - DBUG_RETURN(err); - } - /* fall through */ - case DB_DUPLICATE_KEY: - ut_ad(dict_index_is_unique(node->index)); - - if (trx->isolation_level - >= TRX_ISO_REPEATABLE_READ - && trx->duplicates - && !node->table->is_temporary() - && thd_rpl_stmt_based(trx->mysql_thd)) { - - /* When we are in REPLACE statement or - INSERT .. ON DUPLICATE UPDATE - statement, we process all the - unique secondary indexes, even after we - encounter a duplicate error. This is - done to take necessary gap locks in - secondary indexes to block concurrent - transactions from inserting the - searched records. */ - if (err == DB_NO_REFERENCED_ROW - && node->duplicate) { - /* A foreign key check on a - unique index may fail to - find the record. - - Consider as a example - following: - create table child(a int not null - primary key, b int not null, - c int, - unique key (b), - foreign key (b) references - parent (id)) engine=innodb; - - insert into child values - (1,1,2); - - insert into child(a) values - (1) on duplicate key update - c = 3; - - Now primary key value 1 - naturally causes duplicate - key error that will be - stored on node->duplicate. - If there was no duplicate - key error, we should return - the actual no referenced - row error. - - As value for - column b used in both unique - key and foreign key is not - provided, server uses 0 as a - search value. This is - naturally, not found leading - to DB_NO_REFERENCED_ROW. - But, we should update the - row with primay key value 1 - anyway. - - Return the - original DB_DUPLICATE_KEY - error after - placing all gaplocks. */ - err = DB_DUPLICATE_KEY; - break; - } else if (!node->duplicate) { - /* Save 1st dup error. Ignore - subsequent dup errors. */ - node->duplicate = node->index; - trx->error_state - = DB_DUPLICATE_KEY; - } - break; - } - // fall through - default: + if (err != DB_SUCCESS) { DBUG_RETURN(err); } } @@ -3815,31 +3676,13 @@ row_ins( node->index = dict_table_get_next_index(node->index); node->entry = UT_LIST_GET_NEXT(tuple_list, node->entry); } - - /* After encountering a duplicate key error, we process - remaining indexes just to place gap locks and no actual - insertion will take place. These gap locks are needed - only for unique indexes. So skipping non-unique indexes. */ - if (node->duplicate) { - ut_ad(thd_rpl_stmt_based(trx->mysql_thd)); - while (node->index - && !dict_index_is_unique(node->index)) { - - node->index = dict_table_get_next_index( - node->index); - node->entry = UT_LIST_GET_NEXT(tuple_list, - node->entry); - } - trx->error_state = DB_DUPLICATE_KEY; - } } ut_ad(node->entry == NULL); - trx->error_info = node->duplicate; node->state = INS_NODE_ALLOC_ROW_ID; - DBUG_RETURN(node->duplicate ? DB_DUPLICATE_KEY : DB_SUCCESS); + DBUG_RETURN(DB_SUCCESS); } /***********************************************************//** diff --git a/storage/innobase/row/row0mysql.cc b/storage/innobase/row/row0mysql.cc index c834fba9b13..6d70cbfa0fa 100644 --- a/storage/innobase/row/row0mysql.cc +++ b/storage/innobase/row/row0mysql.cc @@ -1480,7 +1480,6 @@ error_exit: goto run_again; } - node->duplicate = NULL; trx->op_info = ""; if (blob_heap != NULL) { @@ -1490,8 +1489,6 @@ error_exit: return(err); } - node->duplicate = NULL; - if (dict_table_has_fts_index(table)) { doc_id_t doc_id; diff --git a/storage/innobase/srv/srv0start.cc b/storage/innobase/srv/srv0start.cc index 5783bb9ae66..2be9e7ebd17 100644 --- a/storage/innobase/srv/srv0start.cc +++ b/storage/innobase/srv/srv0start.cc @@ -1761,7 +1761,7 @@ dberr_t srv_start(bool create_new_db) ut_a(fil_validate()); ut_a(log_space); - ut_a(srv_log_file_size <= 512ULL << 30); + ut_a(srv_log_file_size <= log_group_max_size); const ulint size = 1 + ulint((srv_log_file_size - 1) >> srv_page_size_shift); diff --git a/storage/maria/maria_chk.c b/storage/maria/maria_chk.c index aa2ad1d4618..54f7c21539b 100644 --- a/storage/maria/maria_chk.c +++ b/storage/maria/maria_chk.c @@ -1006,6 +1006,7 @@ static int maria_chk(HA_CHECK *param, char *filename) int error,lock_type,recreate; uint warning_printed_by_chk_status; my_bool rep_quick= MY_TEST(param->testflag & (T_QUICK | T_FORCE_UNIQUENESS)); + my_bool born_transactional; MARIA_HA *info; File datafile; char llbuff[22],llbuff2[22]; @@ -1448,6 +1449,7 @@ static int maria_chk(HA_CHECK *param, char *filename) maria_lock_database(info, F_UNLCK); end2: + born_transactional= share->base.born_transactional; if (maria_close(info)) { _ma_check_print_error(param, default_close_errmsg, my_errno, filename); @@ -1463,7 +1465,7 @@ end2: MYF(MY_REDEL_MAKE_BACKUP) : MYF(0))); } if (opt_transaction_logging && - share->base.born_transactional && !error && + born_transactional && !error && (param->testflag & (T_REP_ANY | T_SORT_RECORDS | T_SORT_INDEX | T_ZEROFILL))) error= write_log_record(param); diff --git a/storage/mroonga/vendor/groonga/lib/ts.c b/storage/mroonga/vendor/groonga/lib/ts.c index 68e363a27d7..909f4864786 100644 --- a/storage/mroonga/vendor/groonga/lib/ts.c +++ b/storage/mroonga/vendor/groonga/lib/ts.c @@ -683,7 +683,7 @@ static grn_rc grn_ts_select_output(grn_ctx *ctx, grn_obj *table, grn_ts_str str, const grn_ts_record *in, size_t n_in, size_t n_hits) { - grn_ts_writer *writer; + grn_ts_writer *writer= 0; grn_rc rc = grn_ts_writer_open(ctx, table, str, &writer); if (rc != GRN_SUCCESS) { return rc; diff --git a/storage/mroonga/vendor/groonga/lib/ts/ts_expr_node.c b/storage/mroonga/vendor/groonga/lib/ts/ts_expr_node.c index ddd69714b1e..4ae900034bb 100644 --- a/storage/mroonga/vendor/groonga/lib/ts/ts_expr_node.c +++ b/storage/mroonga/vendor/groonga/lib/ts/ts_expr_node.c @@ -5173,7 +5173,7 @@ grn_ts_expr_node_deref(grn_ctx *ctx, grn_ts_expr_node **node_ptr) { grn_ts_expr_node *node = *node_ptr, **in_ptr = NULL; while ((node->data_kind & ~GRN_TS_VECTOR_FLAG) == GRN_TS_REF) { - grn_ts_expr_node *new_node; + grn_ts_expr_node *new_node= 0; grn_rc rc = grn_ts_expr_node_deref_once(ctx, node, &new_node); if (rc != GRN_SUCCESS) { if (in_ptr) { diff --git a/storage/rocksdb/ha_rocksdb.cc b/storage/rocksdb/ha_rocksdb.cc index 7eb53dd878c..8ef8c349e9f 100644 --- a/storage/rocksdb/ha_rocksdb.cc +++ b/storage/rocksdb/ha_rocksdb.cc @@ -14320,6 +14320,8 @@ static int rocksdb_validate_update_cf_options( // then there's no point to proceed. if (!Rdb_cf_options::parse_cf_options(str, &option_map)) { my_error(ER_WRONG_VALUE_FOR_VAR, MYF(0), "rocksdb_update_cf_options", str); + // Free what we've copied with my_strdup above. + my_free((void*)(*(const char **)save)); return HA_EXIT_FAILURE; } // Loop through option_map and create missing column families diff --git a/storage/rocksdb/mysql-test/rocksdb/include/group_min_max.inc b/storage/rocksdb/mysql-test/rocksdb/include/group_min_max.inc index 79ac367a73b..6c3e29537b1 100644 --- a/storage/rocksdb/mysql-test/rocksdb/include/group_min_max.inc +++ b/storage/rocksdb/mysql-test/rocksdb/include/group_min_max.inc @@ -266,6 +266,17 @@ select a1, max(c) from t2 where a1 in ('a','b','d') group by a1,a2,b; # B) Equalities only over the non-group 'B' attributes # plans +--echo # +--echo # MariaDB: we dont have the following patch: +--echo # +--echo # commit 60a92a79a3b7fde3c6efe91799e344b977c8e5c3 +--echo # Author: Manuel Ung <mung@fb.com> +--echo # Date: Thu Apr 19 23:06:27 2018 -0700 +--echo # +--echo # Enhance group-by loose index scan +--echo # +--echo # So the following results are not very meaningful, but are still kept here + explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; @@ -730,9 +741,9 @@ explain extended select a1,a2,count(a2) from t1 where (a1 > 'a') group by a1,a2, explain extended select sum(ord(a1)) from t1 where (a1 > 'a') group by a1,a2,b; # test multi_range_groupby flag -set optimizer_switch = 'multi_range_groupby=off'; +#MariaDB: no support: set optimizer_switch = 'multi_range_groupby=off'; explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'a' or b = 'b') group by a1; -set optimizer_switch = 'default'; +#set optimizer_switch = 'default'; explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'a' or b = 'b') group by a1; @@ -1361,41 +1372,41 @@ drop table t1; eval CREATE TABLE t (a INT, b INT, KEY(a,b)) engine=$engine; INSERT INTO t VALUES (1,1), (2,2), (3,3), (4,4), (1,0), (3,2), (4,5); ANALYZE TABLE t; -let $DEFAULT_TRACE_MEM_SIZE=1048576; # 1MB -eval set optimizer_trace_max_mem_size=$DEFAULT_TRACE_MEM_SIZE; -set @@session.optimizer_trace='enabled=on'; -set end_markers_in_json=on; +# MariaDB: 10.2 doesn't have trace, yet: let $DEFAULT_TRACE_MEM_SIZE=1048576; # 1MB +# eval set optimizer_trace_max_mem_size=$DEFAULT_TRACE_MEM_SIZE; +# set @@session.optimizer_trace='enabled=on'; +# set end_markers_in_json=on; ANALYZE TABLE t; SELECT a, SUM(DISTINCT a), MIN(b) FROM t GROUP BY a; EXPLAIN SELECT a, SUM(DISTINCT a), MIN(b) FROM t GROUP BY a; -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK - FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; +#SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK +# FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; SELECT a, SUM(DISTINCT a), MAX(b) FROM t GROUP BY a; EXPLAIN SELECT a, SUM(DISTINCT a), MAX(b) FROM t GROUP BY a; -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK - FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; +#SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK +# FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; SELECT a, MAX(b) FROM t GROUP BY a HAVING SUM(DISTINCT a); EXPLAIN SELECT a, MAX(b) FROM t GROUP BY a HAVING SUM(DISTINCT a); -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK - FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; +#SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK +# FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; SELECT SUM(DISTINCT a), MIN(b), MAX(b) FROM t; EXPLAIN SELECT SUM(DISTINCT a), MIN(b), MAX(b) FROM t; -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK - FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; +#SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK +# FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; SELECT a, SUM(DISTINCT a), MIN(b), MAX(b) FROM t GROUP BY a; EXPLAIN SELECT a, SUM(DISTINCT a), MIN(b), MAX(b) FROM t GROUP BY a; -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK - FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; +#SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK +# FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; -SET optimizer_trace_max_mem_size=DEFAULT; -SET optimizer_trace=DEFAULT; -SET end_markers_in_json=DEFAULT; +#SET optimizer_trace_max_mem_size=DEFAULT; +#SET optimizer_trace=DEFAULT; +#SET end_markers_in_json=DEFAULT; DROP TABLE t; diff --git a/storage/rocksdb/mysql-test/rocksdb/r/group_min_max.result b/storage/rocksdb/mysql-test/rocksdb/r/group_min_max.result index 7fede0ac603..a1031f518e0 100644 --- a/storage/rocksdb/mysql-test/rocksdb/r/group_min_max.result +++ b/storage/rocksdb/mysql-test/rocksdb/r/group_min_max.result @@ -1,4 +1,5 @@ -set global debug="+d,force_group_by"; +set @debug_tmp= @@debug_dbug; +set global debug_dbug="+d,force_group_by"; drop table if exists t1; create table t1 ( a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(248) default ' ' @@ -134,34 +135,34 @@ Table Op Msg_type Msg_text test.t3 analyze status OK explain select a1, min(a2) from t1 group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 130 NULL 63 Using index for group-by explain select a1, max(a2) from t1 group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 65 NULL 126 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 65 NULL 63 Using index for group-by explain select a1, min(a2), max(a2) from t1 group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 130 NULL 63 Using index for group-by explain select a1, a2, b, min(c), max(c) from t1 group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using index for group-by explain select a1,a2,b,max(c),min(c) from t1 group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using index for group-by explain select a1,a2,b,max(c),min(c) from t2 group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 # NULL # Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 # NULL # Using index for group-by explain select min(a2), a1, max(a2), min(a2), a1 from t1 group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 130 NULL 63 Using index for group-by explain select a1, b, min(c), a1, max(c), b, a2, max(c), max(c) from t1 group by a1, a2, b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using index for group-by explain select min(a2) from t1 group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 130 NULL 63 Using index for group-by explain select a2, min(c), max(c) from t1 group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using index for group-by select a1, min(a2) from t1 group by a1; a1 min(a2) a a @@ -288,37 +289,37 @@ b i421 l421 b m422 p422 explain select a1,a2,b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 1002 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 502 Using where; Using index for group-by explain select a1, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 1002 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 502 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where a1 >= 'c' or a2 < 'b' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 1503 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 753 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 1503 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 753 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 2004 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 1004 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 2004 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 1004 Using where; Using index for group-by explain select a1,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1, max(c) from t1 where a1 in ('a','b','d') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 1503 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 753 Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where a1 < 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by @@ -668,99 +669,109 @@ d d411 d h412 d l421 d p422 +# +# MariaDB: we dont have the following patch: +# +# commit 60a92a79a3b7fde3c6efe91799e344b977c8e5c3 +# Author: Manuel Ung <mung@fb.com> +# Date: Thu Apr 19 23:06:27 2018 -0700 +# +# Enhance group-by loose index scan +# +# So the following results are not very meaningful, but are still kept here explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 63 Using where; Using index for group-by explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a' or a2 = 'b') and (b = 'b' or b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 63 Using where; Using index for group-by explain select a1,max(c),min(c) from t1 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,a2,b, max(c) from t1 where (b = 'b') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 126 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where (b = 'b' or b = 'a') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,min(c),max(c) from t1 where (b = 'b') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 126 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (b = 'b' or b = 'a') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,a2, max(c) from t1 where (b = 'b') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 126 Using where; Using index for group-by explain select a1,a2, max(c) from t1 where (b = 'b' or b = 'a') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL 63 Using where; Using index for group-by explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL 63 Using where; Using index for group-by explain select a1,max(c),min(c) from t2 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b, max(c) from t2 where (b = 'b') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL 126 Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where (b = 'b' or b = 'a') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,min(c),max(c) from t2 where (b = 'b') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL 126 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (b = 'b' or b = 'a') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2, max(c) from t2 where (b = 'b') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL 126 Using where; Using index for group-by explain select a1,a2, max(c) from t2 where (b = 'b' or b = 'a') group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 range idx_t3_0,idx_t3_1,idx_t3_2 idx_t3_1 6 NULL 126 Using where; Using index for group-by +1 SIMPLE t3 range NULL idx_t3_1 6 NULL 63 Using where; Using index for group-by explain select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 range idx_t3_0,idx_t3_1,idx_t3_2 idx_t3_1 6 NULL 126 Using where; Using index for group-by +1 SIMPLE t3 index NULL idx_t3_1 10 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 range idx_t3_0,idx_t3_1,idx_t3_2 idx_t3_1 6 NULL 126 Using where; Using index for group-by +1 SIMPLE t3 index NULL idx_t3_1 10 NULL 1000 Using where; Using index explain select a1,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 range idx_t3_0,idx_t3_1,idx_t3_2 idx_t3_1 6 NULL 126 Using where; Using index for group-by +1 SIMPLE t3 range NULL idx_t3_1 6 NULL 63 Using where; Using index for group-by explain select a1,max(c),min(c) from t3 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 range idx_t3_0,idx_t3_1,idx_t3_2 idx_t3_1 6 NULL 126 Using where; Using index for group-by +1 SIMPLE t3 index NULL idx_t3_1 10 NULL 1000 Using where; Using index explain select a1,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 range idx_t3_0,idx_t3_1,idx_t3_2 idx_t3_1 6 NULL 126 Using where; Using index for group-by +1 SIMPLE t3 index NULL idx_t3_1 10 NULL 1000 Using where; Using index select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; a1 a2 b max(c) min(c) a a b h112 e112 @@ -769,22 +780,22 @@ c a b h312 e312 d a b h412 e412 select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; a1 a2 b max(c) min(c) -a b b p122 e112 -b b b p222 e212 -c b b p322 e312 -d b b p422 e412 +a a b p122 e112 +b a b p222 e212 +c a b p322 e312 +d a b p422 e412 select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; a1 a2 b max(c) min(c) -a a b h112 a111 -b a b h212 a211 -c a b h312 a311 -d a b h412 a411 +a a a h112 a111 +b a a h212 a211 +c a a h312 a311 +d a a h412 a411 select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a' or a2 = 'b') and (b = 'b' or b = 'a') group by a1; a1 a2 b max(c) min(c) -a b b p122 a111 -b b b p222 a211 -c b b p322 a311 -d b b p422 a411 +a a a p122 a111 +b a a p222 a211 +c a a p322 a311 +d a a p422 a411 select a1,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; a1 max(c) min(c) a h112 e112 @@ -815,14 +826,14 @@ d a b h412 d b b p422 select a1,a2,b, max(c) from t1 where (b = 'b' or b = 'a') group by a1,a2; a1 a2 b max(c) -a a b h112 -a b b p122 -b a b h212 -b b b p222 -c a b h312 -c b b p322 -d a b h412 -d b b p422 +a a a h112 +a b a p122 +b a a h212 +b b a p222 +c a a h312 +c b a p322 +d a a h412 +d b a p422 select a1,a2,b,min(c),max(c) from t1 where (b = 'b') group by a1,a2; a1 a2 b min(c) max(c) a a b e112 h112 @@ -835,14 +846,14 @@ d a b e412 h412 d b b m422 p422 select a1,a2,b,min(c),max(c) from t1 where (b = 'b' or b = 'a') group by a1,a2; a1 a2 b min(c) max(c) -a a b a111 h112 -a b b i121 p122 -b a b a211 h212 -b b b i221 p222 -c a b a311 h312 -c b b i321 p322 -d a b a411 h412 -d b b i421 p422 +a a a a111 h112 +a b a i121 p122 +b a a a211 h212 +b b a i221 p222 +c a a a311 h312 +c b a i321 p322 +d a a a411 h412 +d b a i421 p422 select a1,a2, max(c) from t1 where (b = 'b') group by a1,a2; a1 a2 max(c) a a h112 @@ -872,17 +883,18 @@ d a b h412 e412 e a b NULL NULL select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; a1 a2 b max(c) min(c) -a b b p122 e112 -b b b p222 e212 -c b b p322 e312 -d b b p422 e412 +a a b p122 e112 +b a b p222 e212 +c a b p322 e312 +d a b p422 e412 +e a b NULL NULL select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; a1 a2 b max(c) min(c) -a a b h112 a111 -b a b h212 a211 -c a b h312 a311 -d a b h412 a411 -e a b NULL NULL +a a a h112 a111 +b a a h212 a211 +c a a h312 a311 +d a a h412 a411 +e a a NULL NULL select a1,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') group by a1; a1 max(c) min(c) a h112 e112 @@ -896,6 +908,7 @@ a p122 e112 b p222 e212 c p322 e312 d p422 e412 +e NULL NULL select a1,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; a1 max(c) min(c) a h112 a111 @@ -916,15 +929,15 @@ d b b p422 e a b NULL select a1,a2,b, max(c) from t2 where (b = 'b' or b = 'a') group by a1,a2; a1 a2 b max(c) -a a b h112 -a b b p122 -b a b h212 -b b b p222 -c a b h312 -c b b p322 -d a b h412 -d b b p422 -e a b NULL +a a a h112 +a b a p122 +b a a h212 +b b a p222 +c a a h312 +c b a p322 +d a a h412 +d b a p422 +e a a NULL select a1,a2,b,min(c),max(c) from t2 where (b = 'b') group by a1,a2; a1 a2 b min(c) max(c) a a b e112 h112 @@ -938,15 +951,15 @@ d b b m422 p422 e a b NULL NULL select a1,a2,b,min(c),max(c) from t2 where (b = 'b' or b = 'a') group by a1,a2; a1 a2 b min(c) max(c) -a a b a111 h112 -a b b i121 p122 -b a b a211 h212 -b b b i221 p222 -c a b a311 h312 -c b b i321 p322 -d a b a411 h412 -d b b i421 p422 -e a b NULL NULL +a a a a111 h112 +a b a i121 p122 +b a a a211 h212 +b b a i221 p222 +c a a a311 h312 +c b a i321 p322 +d a a a411 h412 +d b a i421 p422 +e a a NULL NULL select a1,a2, max(c) from t2 where (b = 'b') group by a1,a2; a1 a2 max(c) a a h112 @@ -976,14 +989,14 @@ b a b h212 e212 c a b h312 e312 select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a' or a2 = 'b') and (b = 'b') group by a1; a1 a2 b max(c) min(c) -a b b p122 e112 -b b b p222 e212 -c b b p322 e312 +a a b p122 e112 +b a b p222 e212 +c a b p322 e312 select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b' or b = 'a') group by a1; a1 a2 b max(c) min(c) -a a b h112 a111 -b a b h212 a211 -c a b h312 a311 +a a a h112 a111 +b a a h212 a211 +c a a h312 a311 select a1,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1; a1 max(c) min(c) a h112 e112 @@ -1001,37 +1014,41 @@ b h212 a211 c h312 a311 explain select a1,a2,b,min(c) from t2 where (a2 = 'a') and b is NULL group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL 63 Using where; Using index for group-by explain select a1,a2,b,min(c) from t2 where (a2 = 'a' or a2 = 'b') and b is NULL group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c) from t2 where (a2 = 'a') and b is NULL group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL 63 Using where; Using index for group-by explain select a1,a2,b,max(c) from t2 where (a2 = 'a' or a2 = 'b') and b is NULL group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,min(c) from t2 where b is NULL group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL 126 Using where; Using index for group-by explain select a1,a2,b,max(c) from t2 where b is NULL group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL 126 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL 126 Using where; Using index for group-by select a1,a2,b,min(c) from t2 where (a2 = 'a') and b is NULL group by a1; a1 a2 b min(c) a a NULL a777 c a NULL c777 select a1,a2,b,min(c) from t2 where (a2 = 'a' or a2 = 'b') and b is NULL group by a1; a1 a2 b min(c) +a a NULL a777 +c a NULL c777 select a1,a2,b,max(c) from t2 where (a2 = 'a') and b is NULL group by a1; a1 a2 b max(c) a a NULL a999 c a NULL c999 select a1,a2,b,max(c) from t2 where (a2 = 'a' or a2 = 'b') and b is NULL group by a1; a1 a2 b max(c) +a a NULL a999 +c a NULL c999 select a1,a2,b,min(c) from t2 where b is NULL group by a1,a2; a1 a2 b min(c) a a NULL a777 @@ -1050,97 +1067,97 @@ a a NULL a777 a999 c a NULL c777 c999 explain select a1,a2,b, max(c) from t1 where (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL # Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where (c > 'f123') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c > 'f123') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where (c < 'a0') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c < 'a0') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where (c < 'k321') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c < 'k321') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where (c < 'a0') or (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c < 'a0') or (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b111') and (c <= 'g112') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c < 'c5') or (c = 'g412') or (c = 'k421') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (c between 'b111' and 'g112') or (c between 'd000' and 'i110') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where (c > 'f123') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c > 'f123') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where (c < 'a0') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c < 'a0') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where (c < 'k321') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c < 'k321') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where (c < 'a0') or (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c < 'a0') or (c > 'b1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b, max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c > 'b111') and (c <= 'g112') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (c < 'c5') or (c = 'g412') or (c = 'k421') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by select a1,a2,b, max(c) from t1 where (c > 'b1') group by a1,a2,b; a1 a2 b max(c) a a a d111 @@ -1562,35 +1579,36 @@ explain select a1,a2,b,min(c),max(c) from t1 where exists ( select * from t2 where t2.c = t1.c ) group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 index idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 1000 Using where; Using index -2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index +1 PRIMARY t1 index NULL idx_t1_1 163 NULL 1000 Using index +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 func 1 +2 MATERIALIZED t2 index NULL idx_t2_1 163 NULL 1000 Using index explain select a1,a2,b,min(c),max(c) from t1 where exists ( select * from t2 where t2.c > 'b1' ) group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using index for group-by +1 PRIMARY t1 index NULL idx_t1_1 163 NULL 1000 Using index 2 SUBQUERY t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (c > 'b111') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t1 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c) from t1 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c < 'h112') or (c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122')) group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 1002 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 502 Using where; Using index for group-by explain select a1,a2,b,min(c) from t1 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122') or (c < 'h112') or (c = 'c111')) group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 1002 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 502 Using where; Using index for group-by explain select a1,a2,b,min(c) from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c) from t1 where (ord(a1) > 97) and (ord(a2) + ord(a1) > 194) and (b = 'c') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by @@ -1599,7 +1617,7 @@ id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c),max(c) from t2 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,min(c) from t2 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c < 'h112') or (c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122')) group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by @@ -1695,31 +1713,31 @@ select a1,a2,b,min(c) from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') grou a1 a2 b min(c) explain select a1,a2,b from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121' or c = 'i121') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select a1,a2,b from t2 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by explain select a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by explain select a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121' or c = 'i121') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by @@ -1770,50 +1788,50 @@ select a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1 a1 a2 b explain select distinct a1,a2,b from t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using index for group-by explain select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain extended select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121'); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 range idx_t1_1 idx_t1_1 163 NULL 1001 99.90 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 501 100.00 Using where; Using index for group-by Warnings: -Note 1003 /* select#1 */ select distinct `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where ((`test`.`t1`.`c` = 'i121') and (`test`.`t1`.`b` = 'a') and (`test`.`t1`.`a2` >= 'b')) +Note 1003 select distinct `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where `test`.`t1`.`b` = 'a' and `test`.`t1`.`c` = 'i121' and `test`.`t1`.`a2` >= 'b' explain select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select distinct b from t1 where (a2 >= 'b') and (b = 'a'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 Using where; Using index +1 SIMPLE t1 index NULL idx_t1_2 147 NULL 1000 Using where; Using index explain select distinct a1 from t1 where a1 in ('a', 'd') and a2 = 'b'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 252 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using where; Using index for group-by explain select distinct a1 from t1 where a1 in ('a', 'd') and a2 = 'e'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 252 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using where; Using index for group-by explain select distinct a1,a2,b from t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using index for group-by explain select distinct a1,a2,b from t2 where (a2 >= 'b') and (b = 'a'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by explain extended select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121'); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t2 range idx_t2_1 idx_t2_1 163 NULL 1001 99.90 Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL 501 100.00 Using where; Using index for group-by Warnings: -Note 1003 /* select#1 */ select distinct `test`.`t2`.`a1` AS `a1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where ((`test`.`t2`.`c` = 'i121') and (`test`.`t2`.`b` = 'a') and (`test`.`t2`.`a2` >= 'b')) +Note 1003 select distinct `test`.`t2`.`a1` AS `a1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where `test`.`t2`.`b` = 'a' and `test`.`t2`.`c` = 'i121' and `test`.`t2`.`a2` >= 'b' explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by explain select distinct b from t2 where (a2 >= 'b') and (b = 'a'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_1,idx_t2_2 idx_t2_2 146 NULL 1000 Using where; Using index +1 SIMPLE t2 index NULL idx_t2_2 146 NULL 1000 Using where; Using index explain select distinct a1 from t2 where a1 in ('a', 'd') and a2 = 'b'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 129 NULL 252 Using where; Using index for group-by +1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 129 NULL 126 Using where; Using index for group-by explain select distinct a1 from t2 where a1 in ('a', 'd') and a2 = 'e'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 129 NULL 252 Using where; Using index for group-by +1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 129 NULL 126 Using where; Using index for group-by select distinct a1,a2,b from t1; a1 a2 b a a a @@ -1942,40 +1960,40 @@ c e d e explain select distinct a1,a2,b from t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using index for group-by explain select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 251 Using where; Using index for group-by explain select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select distinct b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by; Using temporary; Using filesort +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by; Using temporary; Using filesort explain select distinct a1 from t1 where a1 in ('a', 'd') and a2 = 'b' group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 252 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using where; Using index for group-by explain select distinct a1 from t1 where a1 in ('a', 'd') and a2 = 'e' group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 252 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using where; Using index for group-by explain select distinct a1,a2,b from t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using index for group-by explain select distinct a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by explain select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by +1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by explain select distinct b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by; Using temporary; Using filesort +1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by; Using temporary; Using filesort explain select distinct a1 from t2 where a1 in ('a', 'd') and a2 = 'b' group by a1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 129 NULL # Using where; Using index for group-by @@ -2064,23 +2082,23 @@ select distinct a1 from t2 where a1 in ('a', 'd') and a2 = 'e' group by a1; a1 explain select count(distinct a1,a2,b) from t1 where (a2 >= 'b') and (b = 'a'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by (scanning) +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select count(distinct a1,a2,b,c) from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1 idx_t1_1 163 NULL 1001 Using where; Using index for group-by (scanning) +1 SIMPLE t1 range NULL idx_t1_1 163 NULL 501 Using where; Using index for group-by (scanning) explain extended select count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 100.00 Using where; Using index for group-by (scanning) +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 100.00 Using where; Using index for group-by Warnings: -Note 1003 /* select#1 */ select count(distinct `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b`) AS `count(distinct a1,a2,b)` from `test`.`t1` where ((`test`.`t1`.`b` = 'c') and (`test`.`t1`.`a1` > 'a') and (`test`.`t1`.`a2` > 'a')) +Note 1003 select count(distinct `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b`) AS `count(distinct a1,a2,b)` from `test`.`t1` where `test`.`t1`.`b` = 'c' and `test`.`t1`.`a1` > 'a' and `test`.`t1`.`a2` > 'a' explain select count(distinct b) from t1 where (a2 >= 'b') and (b = 'a'); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 Using where; Using index +1 SIMPLE t1 index NULL idx_t1_2 147 NULL 1000 Using where; Using index explain extended select 98 + count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a'); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 100.00 Using where; Using index for group-by (scanning) +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 100.00 Using where; Using index for group-by Warnings: -Note 1003 /* select#1 */ select (98 + count(distinct `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b`)) AS `98 + count(distinct a1,a2,b)` from `test`.`t1` where ((`test`.`t1`.`a1` > 'a') and (`test`.`t1`.`a2` > 'a')) +Note 1003 select 98 + count(distinct `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b`) AS `98 + count(distinct a1,a2,b)` from `test`.`t1` where `test`.`t1`.`a1` > 'a' and `test`.`t1`.`a2` > 'a' select count(distinct a1,a2,b) from t1 where (a2 >= 'b') and (b = 'a'); count(distinct a1,a2,b) 4 @@ -2098,19 +2116,19 @@ select 98 + count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a'); 104 explain select a1,a2,b, concat(min(c), max(c)) from t1 where a1 < 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select concat(a1,min(c)),b from t1 where a1 < 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select concat(a1,min(c)),b,max(c) from t1 where a1 < 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select concat(a1,a2),b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 501 Using where; Using index for group-by +1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using where; Using index for group-by explain select concat(ord(min(b)),ord(max(b))),min(b),max(b) from t1 group by a1,a2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 251 Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 147 NULL 126 Using index for group-by select a1,a2,b, concat(min(c), max(c)) from t1 where a1 < 'd' group by a1,a2,b; a1 a2 b concat(min(c), max(c)) a a a a111d111 @@ -2179,85 +2197,83 @@ concat(ord(min(b)),ord(max(b))) min(b) max(b) 9798 a b explain select a1,a2,b,d,min(c),max(c) from t1 group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 NULL +1 SIMPLE t1 index NULL idx_t1_2 147 NULL 1000 explain select a1,a2,b,d from t1 group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 NULL +1 SIMPLE t1 index NULL idx_t1_2 147 NULL 1000 explain extended select a1,a2,min(b),max(b) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (c > 'a111') group by a1,a2; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 1000 100.00 Using where; Using index Warnings: -Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,min(`test`.`t1`.`b`) AS `min(b)`,max(`test`.`t1`.`b`) AS `max(b)` from `test`.`t1` where (((`test`.`t1`.`a1` = 'b') or (`test`.`t1`.`a1` = 'd') or (`test`.`t1`.`a1` = 'a') or (`test`.`t1`.`a1` = 'c')) and (`test`.`t1`.`a2` > 'a') and (`test`.`t1`.`c` > 'a111')) group by `test`.`t1`.`a1`,`test`.`t1`.`a2` +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,min(`test`.`t1`.`b`) AS `min(b)`,max(`test`.`t1`.`b`) AS `max(b)` from `test`.`t1` where (`test`.`t1`.`a1` = 'b' or `test`.`t1`.`a1` = 'd' or `test`.`t1`.`a1` = 'a' or `test`.`t1`.`a1` = 'c') and `test`.`t1`.`a2` > 'a' and `test`.`t1`.`c` > 'a111' group by `test`.`t1`.`a1`,`test`.`t1`.`a2` explain extended select a1,a2,b,min(c),max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (d > 'xy2') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 100.00 Using where Warnings: -Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,min(`test`.`t1`.`c`) AS `min(c)`,max(`test`.`t1`.`c`) AS `max(c)` from `test`.`t1` where (((`test`.`t1`.`a1` = 'b') or (`test`.`t1`.`a1` = 'd') or (`test`.`t1`.`a1` = 'a') or (`test`.`t1`.`a1` = 'c')) and (`test`.`t1`.`a2` > 'a') and (`test`.`t1`.`d` > 'xy2')) group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,min(`test`.`t1`.`c`) AS `min(c)`,max(`test`.`t1`.`c`) AS `max(c)` from `test`.`t1` where (`test`.`t1`.`a1` = 'b' or `test`.`t1`.`a1` = 'd' or `test`.`t1`.`a1` = 'a' or `test`.`t1`.`a1` = 'c') and `test`.`t1`.`a2` > 'a' and `test`.`t1`.`d` > 'xy2' group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` explain extended select a1,a2,b,c from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (d > 'xy2') group by a1,a2,b,c; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 1000 100.00 Using where Warnings: -Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (((`test`.`t1`.`a1` = 'b') or (`test`.`t1`.`a1` = 'd') or (`test`.`t1`.`a1` = 'a') or (`test`.`t1`.`a1` = 'c')) and (`test`.`t1`.`a2` > 'a') and (`test`.`t1`.`d` > 'xy2')) group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b`,`test`.`t1`.`c` +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (`test`.`t1`.`a1` = 'b' or `test`.`t1`.`a1` = 'd' or `test`.`t1`.`a1` = 'a' or `test`.`t1`.`a1` = 'c') and `test`.`t1`.`a2` > 'a' and `test`.`t1`.`d` > 'xy2' group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b`,`test`.`t1`.`c` explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') or (b < 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_0 65 NULL 1000 Using where +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b < 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_0 65 NULL 1000 Using where +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b <= 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_0 65 NULL 1000 Using where +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b <= 'b' and b >= 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_0 65 NULL 1000 Using where +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain extended select a1,a2,b from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (c > 'a111') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 1000 100.00 Using where; Using index Warnings: -Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (((`test`.`t1`.`a1` = 'b') or (`test`.`t1`.`a1` = 'd') or (`test`.`t1`.`a1` = 'a') or (`test`.`t1`.`a1` = 'c')) and (`test`.`t1`.`a2` > 'a') and (`test`.`t1`.`c` > 'a111')) group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`a1` = 'b' or `test`.`t1`.`a1` = 'd' or `test`.`t1`.`a1` = 'a' or `test`.`t1`.`a1` = 'c') and `test`.`t1`.`a2` > 'a' and `test`.`t1`.`c` > 'a111' group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` explain select a1,a2,min(b),c from t2 where (a2 = 'a') and (c = 'a111') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_0 65 NULL 1000 Using where +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index select a1,a2,min(b),c from t2 where (a2 = 'a') and (c = 'a111') group by a1; a1 a2 min(b) c a a a a111 explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') or (b = 'a') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_0 65 NULL 1000 Using where +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,min(c),max(c) from t2 where (c > 'a000') and (c <= 'd999') and (c like '_8__') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 1000 Using where; Using index +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1, a2, b, c, min(d), max(d) from t1 group by a1,a2,b,c; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index idx_t1_1 idx_t1_1 163 NULL 1000 NULL +1 SIMPLE t1 index NULL idx_t1_1 163 NULL 1000 explain select a1,a2,count(a2) from t1 group by a1,a2,b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 Using index +1 SIMPLE t1 index NULL idx_t1_2 147 NULL 1000 Using index explain extended select a1,a2,count(a2) from t1 where (a1 > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 100.00 Using where; Using index Warnings: -Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,count(`test`.`t1`.`a2`) AS `count(a2)` from `test`.`t1` where (`test`.`t1`.`a1` > 'a') group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,count(`test`.`t1`.`a2`) AS `count(a2)` from `test`.`t1` where `test`.`t1`.`a1` > 'a' group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` explain extended select sum(ord(a1)) from t1 where (a1 > 'a') group by a1,a2,b; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_2 147 NULL 1000 100.00 Using where; Using index Warnings: -Note 1003 /* select#1 */ select sum(ord(`test`.`t1`.`a1`)) AS `sum(ord(a1))` from `test`.`t1` where (`test`.`t1`.`a1` > 'a') group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` -set optimizer_switch = 'multi_range_groupby=off'; +Note 1003 select sum(ord(`test`.`t1`.`a1`)) AS `sum(ord(a1))` from `test`.`t1` where `test`.`t1`.`a1` > 'a' group by `test`.`t1`.`a1`,`test`.`t1`.`a2`,`test`.`t1`.`b` explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'a' or b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_0 65 NULL 1000 Using where -set optimizer_switch = 'default'; +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'a' or b = 'b') group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL 126 Using where; Using index for group-by +1 SIMPLE t2 index NULL idx_t2_1 163 NULL 1000 Using where; Using index explain select distinct(a1) from t1 where ord(a2) = 98; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_0 65 NULL 1000 Using where +1 SIMPLE t1 index NULL idx_t1_2 147 NULL 1000 Using where; Using index select distinct(a1) from t1 where ord(a2) = 98; a1 a @@ -2266,7 +2282,7 @@ c d explain select a1 from t1 where a2 = 'b' group by a1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 130 NULL 63 Using where; Using index for group-by select a1 from t1 where a2 = 'b' group by a1; a1 a @@ -2275,7 +2291,7 @@ c d explain select distinct a1 from t1 where a2 = 'b'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 130 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 range NULL idx_t1_1 130 NULL 63 Using where; Using index for group-by select distinct a1 from t1 where a2 = 'b'; a1 a @@ -2385,7 +2401,7 @@ INSERT INTO t1 (a) VALUES ('SOUTH EAST'), ('SOUTH WEST'), ('WESTERN'); EXPLAIN SELECT DISTINCT a,a FROM t1 ORDER BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range PRIMARY PRIMARY 66 NULL 1001 Using index for group-by +1 SIMPLE t1 index NULL PRIMARY 66 NULL 1000 Using index SELECT DISTINCT a,a FROM t1 ORDER BY a; a a @@ -2477,7 +2493,7 @@ Table Op Msg_type Msg_text test.t1 analyze status OK EXPLAIN SELECT max(b), a FROM t1 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 5 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL a 5 NULL 251 Using index for group-by FLUSH STATUS; SELECT max(b), a FROM t1 GROUP BY a; max(b) a @@ -2489,15 +2505,17 @@ SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 8 Handler_read_next 0 +Handler_read_retry 0 EXPLAIN SELECT max(b), a FROM t1 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 5 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL a 5 NULL 251 Using index for group-by FLUSH STATUS; CREATE TABLE t2 engine=RocksDB SELECT max(b), a FROM t1 GROUP BY a; SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 8 Handler_read_next 0 +Handler_read_retry 0 FLUSH STATUS; SELECT * FROM (SELECT max(b), a FROM t1 GROUP BY a) b; max(b) a @@ -2509,6 +2527,7 @@ SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 8 Handler_read_next 0 +Handler_read_retry 0 FLUSH STATUS; (SELECT max(b), a FROM t1 GROUP BY a) UNION (SELECT max(b), a FROM t1 GROUP BY a); @@ -2521,50 +2540,52 @@ SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 16 Handler_read_next 0 +Handler_read_retry 0 EXPLAIN (SELECT max(b), a FROM t1 GROUP BY a) UNION (SELECT max(b), a FROM t1 GROUP BY a); id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 range a a 5 NULL 501 Using index for group-by -2 UNION t1 range a a 5 NULL 501 Using index for group-by -NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL Using temporary +1 PRIMARY t1 range NULL a 5 NULL 251 Using index for group-by +2 UNION t1 range NULL a 5 NULL 251 Using index for group-by +NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL EXPLAIN SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x FROM t1 AS t1_outer; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1_outer index NULL a 10 NULL 1000 Using index -2 SUBQUERY t1 range a a 5 NULL 501 Using index for group-by +2 SUBQUERY t1 range NULL a 5 NULL 251 Using index for group-by EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE EXISTS (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1_outer index NULL a 10 NULL 1000 Using index -2 SUBQUERY t1 range a a 5 NULL 501 Using index for group-by +2 SUBQUERY t1 index NULL a 10 NULL 1000 Using index EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) > 12; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE -2 SUBQUERY t1 range a a 5 NULL 501 Using index for group-by +1 PRIMARY t1_outer index NULL a 10 NULL 1000 Using index +2 SUBQUERY t1 range NULL a 5 NULL 251 Using index for group-by EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE a IN (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2); id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1_outer index NULL a 10 NULL 1000 Using where; Using index -2 SUBQUERY t1 range a a 5 NULL 501 Using index for group-by +1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 251 +1 PRIMARY t1_outer ref a a 5 <subquery2>.max(b) 4 Using index +2 MATERIALIZED t1 range NULL a 5 NULL 251 Using index for group-by EXPLAIN SELECT 1 FROM t1 AS t1_outer GROUP BY a HAVING a > (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2); id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1_outer range a a 5 NULL 501 Using index for group-by -2 SUBQUERY t1 range a a 5 NULL 501 Using index for group-by +1 PRIMARY t1_outer range NULL a 5 NULL 251 Using index for group-by +2 SUBQUERY t1 range NULL a 5 NULL 251 Using index for group-by EXPLAIN SELECT 1 FROM t1 AS t1_outer1 JOIN t1 AS t1_outer2 ON t1_outer1.a = (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) AND t1_outer1.b = t1_outer2.b; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1_outer2 index NULL a 10 NULL 1000 Using where; Using index -1 PRIMARY t1_outer1 ref a a 10 const,test.t1_outer2.b 1 Using where; Using index -2 SUBQUERY t1 range a a 5 NULL 501 Using index for group-by +1 PRIMARY t1_outer1 ref a a 5 const 4 Using where; Using index +1 PRIMARY t1_outer2 index NULL a 10 NULL 1000 Using where; Using index; Using join buffer (flat, BNL join) +2 SUBQUERY t1 range NULL a 5 NULL 251 Using index for group-by EXPLAIN SELECT (SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x FROM t1 AS t1_outer) x2 FROM t1 AS t1_outer2; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1_outer2 index NULL a 10 NULL 1000 Using index 2 SUBQUERY t1_outer index NULL a 10 NULL 1000 Using index -3 SUBQUERY t1 range a a 5 NULL 501 Using index for group-by +3 SUBQUERY t1 range NULL a 5 NULL 251 Using index for group-by CREATE TABLE t3 LIKE t1; FLUSH STATUS; INSERT INTO t3 SELECT a,MAX(b) FROM t1 GROUP BY a; @@ -2572,6 +2593,7 @@ SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 8 Handler_read_next 0 +Handler_read_retry 0 DELETE FROM t3; FLUSH STATUS; INSERT INTO t3 SELECT 1, (SELECT MAX(b) FROM t1 GROUP BY a HAVING a < 2) @@ -2580,12 +2602,14 @@ SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 8 Handler_read_next 0 +Handler_read_retry 0 FLUSH STATUS; DELETE FROM t3 WHERE (SELECT MAX(b) FROM t1 GROUP BY a HAVING a < 2) > 10000; SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 8 Handler_read_next 0 +Handler_read_retry 0 FLUSH STATUS; DELETE FROM t3 WHERE (SELECT (SELECT MAX(b) FROM t1 GROUP BY a HAVING a < 2) x FROM t1) > 10000; @@ -2594,6 +2618,7 @@ SHOW STATUS LIKE 'handler_read__e%'; Variable_name Value Handler_read_key 8 Handler_read_next 1 +Handler_read_retry 0 DROP TABLE t1,t2,t3; CREATE TABLE t1 (a int, INDEX idx(a)) engine=RocksDB; INSERT INTO t1 VALUES @@ -2604,7 +2629,7 @@ Table Op Msg_type Msg_text test.t1 analyze status OK EXPLAIN SELECT DISTINCT(a) FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx idx 5 NULL 1001 Using index for group-by +1 SIMPLE t1 range NULL idx 5 NULL 501 Using index for group-by SELECT DISTINCT(a) FROM t1; a 1 @@ -2612,7 +2637,7 @@ a 4 EXPLAIN SELECT SQL_BIG_RESULT DISTINCT(a) FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range idx idx 5 NULL 1001 Using index for group-by +1 SIMPLE t1 range NULL idx 5 NULL 501 Using index for group-by SELECT SQL_BIG_RESULT DISTINCT(a) FROM t1; a 1 @@ -2640,7 +2665,7 @@ CREATE INDEX break_it ON t1 (a, b); EXPLAIN SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range break_it break_it 10 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL break_it 10 NULL 251 Using index for group-by SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a; a MIN(b) MAX(b) 1 1 3 @@ -2650,7 +2675,7 @@ a MIN(b) MAX(b) EXPLAIN SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a DESC; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range break_it break_it 10 NULL 501 Using index for group-by; Using temporary; Using filesort +1 SIMPLE t1 range NULL break_it 10 NULL 251 Using index for group-by; Using temporary; Using filesort SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a DESC; a MIN(b) MAX(b) 4 1 3 @@ -2660,7 +2685,7 @@ a MIN(b) MAX(b) EXPLAIN SELECT a, MIN(b), MAX(b), AVG(b) FROM t1 GROUP BY a ORDER BY a DESC; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index break_it break_it 10 NULL 1000 Using index +1 SIMPLE t1 index NULL break_it 10 NULL 1000 Using index SELECT a, MIN(b), MAX(b), AVG(b) FROM t1 GROUP BY a ORDER BY a DESC; a MIN(b) MAX(b) AVG(b) 4 1 3 2.0000 @@ -2743,9 +2768,9 @@ a b 3 13 explain extended select sql_buffer_result a, max(b)+1 from t1 where a = 0 group by a; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 range PRIMARY,index PRIMARY 4 NULL 1 100.00 Using where; Using index for group-by; Using temporary +1 SIMPLE t1 ref PRIMARY,index PRIMARY 4 const 15 100.00 Using index; Using temporary Warnings: -Note 1003 /* select#1 */ select sql_buffer_result `test`.`t1`.`a` AS `a`,(max(`test`.`t1`.`b`) + 1) AS `max(b)+1` from `test`.`t1` where (`test`.`t1`.`a` = 0) group by `test`.`t1`.`a` +Note 1003 select sql_buffer_result `test`.`t1`.`a` AS `a`,max(`test`.`t1`.`b`) + 1 AS `max(b)+1` from `test`.`t1` where `test`.`t1`.`a` = 0 group by `test`.`t1`.`a` drop table t1; CREATE TABLE t1 (a int, b int, c int, d int, KEY foo (c,d,a,b), KEY bar (c,a,b,d)) engine=RocksDB; @@ -2758,7 +2783,7 @@ Table Op Msg_type Msg_text test.t1 analyze status OK EXPLAIN SELECT DISTINCT c FROM t1 WHERE d=4; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range foo,bar foo 10 NULL 126 Using where; Using index for group-by +1 SIMPLE t1 range NULL foo 10 NULL 63 Using where; Using index for group-by SELECT DISTINCT c FROM t1 WHERE d=4; c 1 @@ -2780,7 +2805,7 @@ test.t analyze status OK EXPLAIN SELECT a, MIN(b) FROM t WHERE b <> 0 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t range a a 10 NULL 501 Using where; Using index for group-by +1 SIMPLE t range NULL a 10 NULL 251 Using where; Using index for group-by #should return 1 row SELECT a, MIN(b) FROM t WHERE b <> 0 GROUP BY a; a MIN(b) @@ -2790,7 +2815,7 @@ a MIN(b) EXPLAIN SELECT a, MAX(b) FROM t WHERE b <> 1 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t range a a 10 NULL 501 Using where; Using index for group-by +1 SIMPLE t range NULL a 10 NULL 251 Using where; Using index for group-by #should return 1 row SELECT a, MAX(b) FROM t WHERE b <> 1 GROUP BY a; a MAX(b) @@ -2801,7 +2826,7 @@ INSERT INTO t SELECT a, 2 FROM t; EXPLAIN SELECT a, MAX(b) FROM t WHERE b > 0 AND b < 2 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t range a a 10 NULL 501 Using where; Using index for group-by +1 SIMPLE t range NULL a 10 NULL 251 Using where; Using index for group-by #should return 1 row SELECT a, MAX(b) FROM t WHERE b > 0 AND b < 2 GROUP BY a; a MAX(b) @@ -2915,7 +2940,7 @@ NULL EXPLAIN SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0); id select_type table type possible_keys key key_len ref rows Extra -x x x x x x x x x Impossible WHERE noticed after reading const tables +x x x x x x x x x Using where; Using index x x x x x x x x x Using where; Using index SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0); MIN( a ) @@ -2990,7 +3015,7 @@ NULL EXPLAIN SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0); id select_type table type possible_keys key key_len ref rows Extra -x x x x x x x x x Impossible WHERE noticed after reading const tables +x x x x x x x x x Using where; Using index x x x x x x x x x Using where; Using index SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0); MIN( a ) @@ -3072,7 +3097,7 @@ NULL EXPLAIN SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0); id select_type table type possible_keys key key_len ref rows Extra -x x x x x x x x x Impossible WHERE noticed after reading const tables +x x x x x x x x x Using where; Using index x x x x x x x x x Using where; Using index SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0); MIN( a ) @@ -3119,45 +3144,45 @@ Table Op Msg_type Msg_text test.t2 analyze status OK EXPLAIN SELECT COUNT(DISTINCT a) FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 5 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL a 5 NULL 251 Using index for group-by SELECT COUNT(DISTINCT a) FROM t1; COUNT(DISTINCT a) 2 EXPLAIN SELECT COUNT(DISTINCT a,b) FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 10 NULL 1001 Using index for group-by (scanning) +1 SIMPLE t1 range NULL a 10 NULL 501 Using index for group-by SELECT COUNT(DISTINCT a,b) FROM t1; COUNT(DISTINCT a,b) 16 EXPLAIN SELECT COUNT(DISTINCT b,a) FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 10 NULL 1001 Using index for group-by (scanning) +1 SIMPLE t1 range NULL a 10 NULL 501 Using index for group-by SELECT COUNT(DISTINCT b,a) FROM t1; COUNT(DISTINCT b,a) 16 EXPLAIN SELECT COUNT(DISTINCT b) FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index a a 10 NULL 1000 Using index +1 SIMPLE t1 index NULL a 10 NULL 1000 Using index SELECT COUNT(DISTINCT b) FROM t1; COUNT(DISTINCT b) 8 EXPLAIN SELECT COUNT(DISTINCT a) FROM t1 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 5 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL a 5 NULL 251 Using index for group-by SELECT COUNT(DISTINCT a) FROM t1 GROUP BY a; COUNT(DISTINCT a) 1 1 EXPLAIN SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 10 NULL 1001 Using index for group-by (scanning) +1 SIMPLE t1 range NULL a 10 NULL 501 Using index for group-by SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a; COUNT(DISTINCT b) 8 8 EXPLAIN SELECT COUNT(DISTINCT a) FROM t1 GROUP BY b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index a a 10 NULL 1000 Using index; Using filesort +1 SIMPLE t1 index NULL a 10 NULL 1000 Using index; Using filesort SELECT COUNT(DISTINCT a) FROM t1 GROUP BY b; COUNT(DISTINCT a) 2 @@ -3170,7 +3195,7 @@ COUNT(DISTINCT a) 2 EXPLAIN SELECT DISTINCT COUNT(DISTINCT a) FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index a a 10 NULL 1000 Using index +1 SIMPLE t1 index NULL a 10 NULL 1000 Using index SELECT DISTINCT COUNT(DISTINCT a) FROM t1; COUNT(DISTINCT a) 2 @@ -3188,76 +3213,76 @@ COUNT(DISTINCT a) 2 EXPLAIN SELECT COUNT(DISTINCT a) FROM t1 HAVING COUNT(DISTINCT c) < 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 1000 NULL +1 SIMPLE t1 ALL NULL NULL NULL NULL 1000 SELECT COUNT(DISTINCT a) FROM t1 HAVING COUNT(DISTINCT c) < 10; COUNT(DISTINCT a) 2 EXPLAIN SELECT 1 FROM t1 HAVING COUNT(DISTINCT a) < 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 5 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL a 5 NULL 251 Using index for group-by SELECT 1 FROM t1 HAVING COUNT(DISTINCT a) < 10; 1 1 EXPLAIN SELECT 1 FROM t1 GROUP BY a HAVING COUNT(DISTINCT b) > 1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 10 NULL 1001 Using index for group-by (scanning) +1 SIMPLE t1 range NULL a 10 NULL 501 Using index for group-by SELECT 1 FROM t1 GROUP BY a HAVING COUNT(DISTINCT b) > 1; 1 1 1 EXPLAIN SELECT COUNT(DISTINCT t1_1.a) FROM t1 t1_1, t1 t1_2 GROUP BY t1_1.a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1_1 index a a 10 NULL 1000 Using index; Using temporary; Using filesort -1 SIMPLE t1_2 index NULL a 10 NULL 1000 Using index; Using join buffer (Block Nested Loop) +1 SIMPLE t1_1 index NULL a 10 NULL 1000 Using index; Using temporary; Using filesort +1 SIMPLE t1_2 index NULL a 10 NULL 1000 Using index; Using join buffer (flat, BNL join) SELECT COUNT(DISTINCT t1_1.a) FROM t1 t1_1, t1 t1_2 GROUP BY t1_1.a; COUNT(DISTINCT t1_1.a) 1 1 EXPLAIN SELECT COUNT(DISTINCT a), 12 FROM t1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range a a 5 NULL 501 Using index for group-by +1 SIMPLE t1 range NULL a 5 NULL 251 Using index for group-by SELECT COUNT(DISTINCT a), 12 FROM t1; COUNT(DISTINCT a) 12 2 12 EXPLAIN SELECT COUNT(DISTINCT a, b, c) FROM t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 15 NULL 1001 Using index for group-by (scanning) +1 SIMPLE t2 range NULL a 15 NULL 501 Using index for group-by SELECT COUNT(DISTINCT a, b, c) FROM t2; COUNT(DISTINCT a, b, c) 16 EXPLAIN SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT a) FROM t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 5 NULL 251 Using index for group-by +1 SIMPLE t2 range NULL a 5 NULL 126 Using index for group-by SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT a) FROM t2; COUNT(DISTINCT a) SUM(DISTINCT a) AVG(DISTINCT a) 2 3 1.5000 EXPLAIN SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT f) FROM t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 1000 NULL +1 SIMPLE t2 ALL NULL NULL NULL NULL 1000 SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT f) FROM t2; COUNT(DISTINCT a) SUM(DISTINCT a) AVG(DISTINCT f) 2 3 1.0000 EXPLAIN SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, a) FROM t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 10 NULL 501 Using index for group-by (scanning) +1 SIMPLE t2 range NULL a 10 NULL 251 Using index for group-by SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, a) FROM t2; COUNT(DISTINCT a, b) COUNT(DISTINCT b, a) 16 16 EXPLAIN SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, f) FROM t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 1000 NULL +1 SIMPLE t2 ALL NULL NULL NULL NULL 1000 SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, f) FROM t2; COUNT(DISTINCT a, b) COUNT(DISTINCT b, f) 16 8 EXPLAIN SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, d) FROM t2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 1000 NULL +1 SIMPLE t2 ALL NULL NULL NULL NULL 1000 SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, d) FROM t2; COUNT(DISTINCT a, b) COUNT(DISTINCT b, d) 16 8 EXPLAIN SELECT a, c, COUNT(DISTINCT c, a, b) FROM t2 GROUP BY a, b, c; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 15 NULL 1001 Using index for group-by (scanning) +1 SIMPLE t2 range NULL a 15 NULL 501 Using index for group-by SELECT a, c, COUNT(DISTINCT c, a, b) FROM t2 GROUP BY a, b, c; a c COUNT(DISTINCT c, a, b) 1 1 1 @@ -3279,7 +3304,7 @@ a c COUNT(DISTINCT c, a, b) EXPLAIN SELECT COUNT(DISTINCT c, a, b) FROM t2 WHERE a > 5 AND b BETWEEN 10 AND 20 GROUP BY a, b, c; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 15 NULL 1001 Using where; Using index for group-by (scanning) +1 SIMPLE t2 range a a 15 NULL 501 Using where; Using index for group-by SELECT COUNT(DISTINCT c, a, b) FROM t2 WHERE a > 5 AND b BETWEEN 10 AND 20 GROUP BY a, b, c; COUNT(DISTINCT c, a, b) @@ -3292,28 +3317,28 @@ GROUP BY b; COUNT(DISTINCT b) SUM(DISTINCT b) EXPLAIN SELECT a, COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 10 NULL 501 Using index for group-by (scanning) +1 SIMPLE t2 range NULL a 10 NULL 251 Using index for group-by SELECT a, COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a; a COUNT(DISTINCT b) SUM(DISTINCT b) 1 8 36 2 8 36 EXPLAIN SELECT COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 10 NULL 501 Using index for group-by (scanning) +1 SIMPLE t2 range NULL a 10 NULL 251 Using index for group-by SELECT COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a; COUNT(DISTINCT b) SUM(DISTINCT b) 8 36 8 36 EXPLAIN SELECT COUNT(DISTINCT a, b) FROM t2 WHERE c = 13 AND d = 42; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL a NULL NULL NULL 1000 Using where +1 SIMPLE t2 ALL NULL NULL NULL NULL 1000 Using where SELECT COUNT(DISTINCT a, b) FROM t2 WHERE c = 13 AND d = 42; COUNT(DISTINCT a, b) 0 EXPLAIN SELECT a, COUNT(DISTINCT a), SUM(DISTINCT a) FROM t2 WHERE b = 13 AND c = 42 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 15 NULL 251 Using where; Using index for group-by +1 SIMPLE t2 range NULL a 15 NULL 126 Using where; Using index for group-by SELECT a, COUNT(DISTINCT a), SUM(DISTINCT a) FROM t2 WHERE b = 13 AND c = 42 GROUP BY a; a COUNT(DISTINCT a) SUM(DISTINCT a) @@ -3327,14 +3352,14 @@ COUNT(DISTINCT a, b) SUM(DISTINCT a) 0 NULL EXPLAIN SELECT SUM(DISTINCT a), MAX(b) FROM t2 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index a a 15 NULL 1000 Using index +1 SIMPLE t2 index NULL a 15 NULL 1000 Using index SELECT SUM(DISTINCT a), MAX(b) FROM t2 GROUP BY a; SUM(DISTINCT a) MAX(b) 1 8 2 8 EXPLAIN SELECT 42 * (a + c + COUNT(DISTINCT c, a, b)) FROM t2 GROUP BY a, b, c; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range a a 15 NULL 1001 Using index for group-by (scanning) +1 SIMPLE t2 range NULL a 15 NULL 501 Using index for group-by SELECT 42 * (a + c + COUNT(DISTINCT c, a, b)) FROM t2 GROUP BY a, b, c; 42 * (a + c + COUNT(DISTINCT c, a, b)) 126 @@ -3355,7 +3380,7 @@ SELECT 42 * (a + c + COUNT(DISTINCT c, a, b)) FROM t2 GROUP BY a, b, c; 168 EXPLAIN SELECT (SUM(DISTINCT a) + MAX(b)) FROM t2 GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index a a 15 NULL 1000 Using index +1 SIMPLE t2 index NULL a 15 NULL 1000 Using index SELECT (SUM(DISTINCT a) + MAX(b)) FROM t2 GROUP BY a; (SUM(DISTINCT a) + MAX(b)) 9 @@ -3383,7 +3408,7 @@ f1 COUNT(DISTINCT f2) 3 4 explain SELECT f1, COUNT(DISTINCT f2) FROM t1 GROUP BY f1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index PRIMARY PRIMARY 5 NULL 1000 Using index +1 SIMPLE t1 index NULL PRIMARY 5 NULL 1000 Using index drop table t1; # End of test#50539. # @@ -3395,9 +3420,6 @@ INSERT INTO t VALUES (1,1), (2,2), (3,3), (4,4), (1,0), (3,2), (4,5); ANALYZE TABLE t; Table Op Msg_type Msg_text test.t analyze status OK -set optimizer_trace_max_mem_size=1048576; -set @@session.optimizer_trace='enabled=on'; -set end_markers_in_json=on; ANALYZE TABLE t; Table Op Msg_type Msg_text test.t analyze status OK @@ -3409,11 +3431,7 @@ a SUM(DISTINCT a) MIN(b) 4 4 4 EXPLAIN SELECT a, SUM(DISTINCT a), MIN(b) FROM t GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t index a a 10 NULL 1000 Using index -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK -FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; -OK -1 +1 SIMPLE t index NULL a 10 NULL 1000 Using index SELECT a, SUM(DISTINCT a), MAX(b) FROM t GROUP BY a; a SUM(DISTINCT a) MAX(b) 1 1 1 @@ -3422,11 +3440,7 @@ a SUM(DISTINCT a) MAX(b) 4 4 5 EXPLAIN SELECT a, SUM(DISTINCT a), MAX(b) FROM t GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t index a a 10 NULL 1000 Using index -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK -FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; -OK -1 +1 SIMPLE t index NULL a 10 NULL 1000 Using index SELECT a, MAX(b) FROM t GROUP BY a HAVING SUM(DISTINCT a); a MAX(b) 1 1 @@ -3435,21 +3449,13 @@ a MAX(b) 4 5 EXPLAIN SELECT a, MAX(b) FROM t GROUP BY a HAVING SUM(DISTINCT a); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t index a a 10 NULL 1000 Using index -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK -FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; -OK -1 +1 SIMPLE t index NULL a 10 NULL 1000 Using index SELECT SUM(DISTINCT a), MIN(b), MAX(b) FROM t; SUM(DISTINCT a) MIN(b) MAX(b) 10 0 5 EXPLAIN SELECT SUM(DISTINCT a), MIN(b), MAX(b) FROM t; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t index a a 10 NULL 1000 Using index -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK -FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; -OK -1 +1 SIMPLE t index NULL a 10 NULL 1000 Using index SELECT a, SUM(DISTINCT a), MIN(b), MAX(b) FROM t GROUP BY a; a SUM(DISTINCT a) MIN(b) MAX(b) 1 1 0 1 @@ -3458,14 +3464,7 @@ a SUM(DISTINCT a) MIN(b) MAX(b) 4 4 4 5 EXPLAIN SELECT a, SUM(DISTINCT a), MIN(b), MAX(b) FROM t GROUP BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t index a a 10 NULL 1000 Using index -SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK -FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; -OK -1 -SET optimizer_trace_max_mem_size=DEFAULT; -SET optimizer_trace=DEFAULT; -SET end_markers_in_json=DEFAULT; +1 SIMPLE t index NULL a 10 NULL 1000 Using index DROP TABLE t; # # Bug#18109609: LOOSE INDEX SCAN IS NOT USED WHEN IT SHOULD @@ -3484,7 +3483,7 @@ Table Op Msg_type Msg_text test.t1 analyze status OK EXPLAIN SELECT MAX(c2), c1 FROM t1 WHERE c1 = 4 GROUP BY c1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range c1 c1 5 NULL 251 Using where; Using index for group-by +1 SIMPLE t1 ref c1 c1 5 const 1000 Using index FLUSH STATUS; SELECT MAX(c2), c1 FROM t1 WHERE c1 = 4 GROUP BY c1; MAX(c2) c1 @@ -3492,12 +3491,14 @@ MAX(c2) c1 SHOW SESSION STATUS LIKE 'Handler_read%'; Variable_name Value Handler_read_first 0 -Handler_read_key 3 -Handler_read_last 1 -Handler_read_next 0 +Handler_read_key 1 +Handler_read_last 0 +Handler_read_next 20 Handler_read_prev 0 +Handler_read_retry 0 Handler_read_rnd 0 +Handler_read_rnd_deleted 0 Handler_read_rnd_next 0 DROP TABLE t1; # End of test for Bug#18109609 -set global debug="-d,force_group_by"; +set global debug_dbug=@debug_tmp; diff --git a/storage/rocksdb/mysql-test/rocksdb/r/kill.result b/storage/rocksdb/mysql-test/rocksdb/r/kill.result new file mode 100644 index 00000000000..19614e1fd95 --- /dev/null +++ b/storage/rocksdb/mysql-test/rocksdb/r/kill.result @@ -0,0 +1,6 @@ +CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=RocksDB; +LOCK TABLE t1 WRITE; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +FLUSH TABLES; +ERROR HY000: MyRocks supports only READ COMMITTED and REPEATABLE READ isolation levels. Please change from current isolation level SERIALIZABLE +DROP TABLE t1; diff --git a/storage/rocksdb/mysql-test/rocksdb/t/group_min_max.test b/storage/rocksdb/mysql-test/rocksdb/t/group_min_max.test index a9c44a71edd..eb66bd0e972 100644 --- a/storage/rocksdb/mysql-test/rocksdb/t/group_min_max.test +++ b/storage/rocksdb/mysql-test/rocksdb/t/group_min_max.test @@ -1,8 +1,9 @@ --source include/have_debug.inc -set global debug="+d,force_group_by"; +set @debug_tmp= @@debug_dbug; +set global debug_dbug="+d,force_group_by"; let $engine=RocksDB; --source include/group_min_max.inc -set global debug="-d,force_group_by"; +set global debug_dbug=@debug_tmp; diff --git a/storage/rocksdb/mysql-test/rocksdb/t/kill.test b/storage/rocksdb/mysql-test/rocksdb/t/kill.test new file mode 100644 index 00000000000..a2809d969d5 --- /dev/null +++ b/storage/rocksdb/mysql-test/rocksdb/t/kill.test @@ -0,0 +1,9 @@ +--source include/have_binlog_format_row.inc +--source include/have_rocksdb.inc + +CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=RocksDB; +LOCK TABLE t1 WRITE; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +--error ER_ISOLATION_MODE_NOT_SUPPORTED +FLUSH TABLES; +DROP TABLE t1; diff --git a/storage/rocksdb/mysql-test/rocksdb/t/rocksdb_concurrent_delete.inc b/storage/rocksdb/mysql-test/rocksdb/t/rocksdb_concurrent_delete.inc index 55f466a4d31..5336c77ee83 100644 --- a/storage/rocksdb/mysql-test/rocksdb/t/rocksdb_concurrent_delete.inc +++ b/storage/rocksdb/mysql-test/rocksdb/t/rocksdb_concurrent_delete.inc @@ -1,4 +1,7 @@ ---source include/have_rocksdb.inc +# MariaDB: including the below too many times causes really long argv list +# in win_main()'s argument which blows up some limit on Windows. +# Comment it out: +#--source include/have_rocksdb.inc --source include/have_debug_sync.inc --source include/count_sessions.inc diff --git a/unittest/mysys/my_atomic-t.c b/unittest/mysys/my_atomic-t.c index 4796cc424d8..52bced7ce3b 100644 --- a/unittest/mysys/my_atomic-t.c +++ b/unittest/mysys/my_atomic-t.c @@ -90,10 +90,10 @@ pthread_handler_t test_atomic_cas(void *arg) y= my_atomic_load32(&bad); x= (x*m+0x87654321) & INT_MAX32; do { - ok= my_atomic_cas32(&bad, &y, (uint32)y+x); + ok= my_atomic_cas32((int32*) &bad, &y, y+x); } while (!ok) ; do { - ok= my_atomic_cas32(&bad, &y, y-x); + ok= my_atomic_cas32((int32*) &bad, &y, y-x); } while (!ok) ; } return 0; |