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Diffstat (limited to 'mysql-test/main/flush_read_lock.test')
| -rw-r--r-- | mysql-test/main/flush_read_lock.test | 2024 |
1 files changed, 2024 insertions, 0 deletions
diff --git a/mysql-test/main/flush_read_lock.test b/mysql-test/main/flush_read_lock.test new file mode 100644 index 00000000000..4a9752ae9f1 --- /dev/null +++ b/mysql-test/main/flush_read_lock.test @@ -0,0 +1,2024 @@ +# +# Test coverage for various aspects of FLUSH TABLES WITH READ LOCK +# functionality. +# + +# We need InnoDB for COMMIT/ROLLBACK related tests. +--source include/have_innodb.inc +# We need the Debug Sync Facility. +--source include/have_debug_sync.inc +# Parts of this test use DDL on events, BINLOG statement and +# other statements which are not supported in embedded server. +-- source include/not_embedded.inc +# Save the initial number of concurrent sessions. +--source include/count_sessions.inc + +set global sql_mode=""; +set local sql_mode=""; +--echo # FTWRL takes two global metadata locks -- a global shared +--echo # metadata lock and the commit blocker lock. +--echo # The first lock prevents DDL from taking place. +--echo # Let's say that all DDL statements that take metadata +--echo # locks form class #1 -- incompatible with FTWRL because +--echo # take incompatible MDL table locks. +--echo # The first global lock doesn't, however, prevent standalone +--echo # COMMITs (or implicit COMMITs) from taking place, since a +--echo # COMMIT doesn't take table locks. It doesn't prevent +--echo # DDL on temporary tables either, since they don't +--echo # take any table locks either. +--echo # Most DDL statements do not perform an implicit commit +--echo # if operate on a temporary table. Examples are CREATE +--echo # TEMPORARY TABLE and DROP TEMPORARY TABLE. +--echo # Thus, these DDL statements can go through in presence +--echo # of FTWRL. This is class #2 -- compatible because +--echo # do not take incompatible MDL locks and do not issue +--echo # implicit commit.. +--echo # (Although these operations do not commit, their effects +--echo # cannot be rolled back either.) +--echo # ALTER TABLE, ANALYZE, OPTIMIZE and some others always +--echo # issue an implicit commit, even if its argument is a +--echo # temporary table. +--echo # *Howewer* an implicit commit is a no-op if all engines +--echo # used since the start of transactiona are non- +--echo # transactional. Thus, for non-transactional engines, +--echo # these operations are not blocked by FTWRL. +--echo # This is class #3 -- compatible because do not take +--echo # MDL table locks and are non-transactional. +--echo # On the contrary, for transactional engines, there +--echo # is always a commit, regardless of whether a table +--echo # is temporary or not. Thus, for example, ALTER TABLE +--echo # for a transactional engine will wait for FTWRL, +--echo # even if the subject table is temporary. +--echo # Thus ALTER TABLE <temporary> is incompatible +--echo # with FTWRL. This is class #4 -- incompatible +--echo # becuase issue implicit COMMIT which is not a no-op. +--echo # Finally, there are administrative statements (such as +--echo # RESET SLAVE) that do not take any locks and do not +--echo # issue COMMIT. +--echo # This is class #5. +--echo # The goal of this coverage is to test statements +--echo # of all classes. +--echo # @todo: documents the effects of @@autocommit, +--echo # DML and temporary transactional tables. + +--echo # Use MyISAM engine for the most of the tables +--echo # used in this test in order to be able to +--echo # check that DDL statements on temporary tables +--echo # are compatible with FTRWL. +--disable_warnings +drop tables if exists t1_base, t2_base, t3_trans; +drop tables if exists tm_base, tm_base_temp; +drop database if exists mysqltest1; +--echo # We're going to test ALTER DATABASE UPGRADE +drop database if exists `#mysql50#mysqltest-2`; +drop procedure if exists p1; +drop function if exists f1; +drop view if exists v1; +drop procedure if exists p2; +drop function if exists f2_base; +drop function if exists f2_temp; +drop event if exists e1; +drop event if exists e2; +--enable_warnings +create table t1_base(i int) engine=myisam; +create table t2_base(j int) engine=myisam; +create table t3_trans(i int) engine=innodb; +create temporary table t1_temp(i int) engine=myisam; +create temporary table t2_temp(j int) engine=myisam; +create temporary table t3_temp_trans(i int) engine=innodb; +create database mysqltest1; +create database `#mysql50#mysqltest-2`; +create procedure p1() begin end; +create function f1() returns int return 0; +create view v1 as select 1 as i; +create procedure p2(i int) begin end; +delimiter |; +create function f2_base() returns int +begin + insert into t1_base values (1); + return 0; +end| +create function f2_temp() returns int +begin + insert into t1_temp values (1); + return 0; +end| +delimiter ;| +create event e1 on schedule every 1 minute do begin end; + +connect (con1,localhost,root,,); +connect (con2,localhost,root,,); +connect (con3,localhost,root,,); +connection default; + +--echo # +--echo # Test compatibility of FLUSH TABLES WITH READ LOCK +--echo # with various statements. +--echo # +--echo # These tests don't cover some classes of statements: +--echo # - Replication-related - CHANGE MASTER TO, START/STOP SLAVE and etc +--echo # (all compatible with FTWRL). +--echo # - Plugin-related - INSTALL/UNINSTALL (incompatible with FTWRL, +--echo # require plugin support). + +let $con_aux1=con1; +let $con_aux2=con2; +let $cleanup_stmt2= ; +let $skip_3rd_check= ; + +--echo # +--echo # 1) ALTER variants. +--echo # +--echo # 1.1) ALTER TABLE +--echo # +--echo # 1.1.a) For base table should be incompatible with FTWRL. +--echo # +let $statement= alter table t1_base add column c1 int; +let $cleanup_stmt1= alter table t1_base drop column c1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 1.1.b) For a temporary table should be compatible with FTWRL. +--echo # +let $statement= alter table t1_temp add column c1 int; +let $cleanup_stmt= alter table t1_temp drop column c1; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 1.2) ALTER DATABASE should be incompatible with FTWRL. +--echo # +let $statement= alter database mysqltest1 default character set utf8; +let $cleanup_stmt1= alter database mysqltest1 default character set latin1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 1.3) ALTER DATABASE UPGRADE DATA DIRECTORY NAME should be +--echo # incompatible with FTWRL. +--echo # +let $statement= alter database `#mysql50#mysqltest-2` upgrade data directory name; +let $cleanup_stmt1= drop database `mysqltest-2`; +let $cleanup_stmt2= create database `#mysql50#mysqltest-2`; +--source include/check_ftwrl_incompatible.inc +let $cleanup_stmt2= ; + +--echo # +--echo # 1.4) ALTER PROCEDURE should be incompatible with FTWRL. +--echo # +let $statement= alter procedure p1 comment 'a'; +let $cleanup_stmt1= alter procedure p1 comment ''; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 1.5) ALTER FUNCTION should be incompatible with FTWRL. +--echo # +let $statement= alter function f1 comment 'a'; +let $cleanup_stmt1= alter function f1 comment ''; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 1.6) ALTER VIEW should be incompatible with FTWRL. +--echo # +let $statement= alter view v1 as select 2 as j; +let $cleanup_stmt1= alter view v1 as select 1 as i; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 1.7) ALTER EVENT should be incompatible with FTWRL. +--echo # +let $statement= alter event e1 comment 'test'; +let $cleanup_stmt1= alter event e1 comment ''; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 1.x) The rest of ALTER statements (ALTER TABLESPACE, +--echo # ALTER LOGFILE GROUP and ALTER SERVER) are too +--echo # special to be tested here. +--echo # + + +--echo # +--echo # 2) ANALYZE TABLE statement is compatible with FTWRL. +--echo # See Bug#43336 ANALYZE and OPTIMIZE do not honour +--echo # --read-only for a discussion why. +--echo # +let $statement= analyze table t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 3) BEGIN, ROLLBACK and COMMIT statements. +--echo # BEGIN and ROLLBACK are compatible with FTWRL. +--echo # COMMIT is not. +--echo # +--echo # We need a special test for these statements as +--echo # FTWRL commits a transaction and because COMMIT +--echo # is handled in a special way. +flush tables with read lock; +begin; +--echo # ROLLBACK is allowed under FTWRL although there +--echo # no much sense in it. FTWRL commits any previous +--echo # changes and doesn't allows any DML after it. +--echo # So such a ROLLBACK is always a no-op. +rollback; +--echo # Although COMMIT is incompatible with FTWRL in +--echo # other senses it is still allowed under FTWRL. +--echo # This fact relied upon by some versions of +--echo # innobackup tool. +--echo # Similarly to ROLLBACK it is a no-op in this situation. +commit; +unlock tables; +--echo # Check that BEGIN/ROLLBACK are not blocked and +--echo # COMMIT is blocked by active FTWRL in another +--echo # connection. +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +begin; +connection $con_aux1; +unlock tables; +connection default; +--echo # Do some work so ROLLBACK is not a no-op. +insert into t3_trans values (1); +connection $con_aux1; +flush tables with read lock; +connection default; +rollback; +connection $con_aux1; +unlock tables; +connection default; +begin; +--echo # Do some work so COMMIT is not a no-op. +insert into t3_trans values (1); +connection $con_aux1; +flush tables with read lock; +connection default; +--echo # Send: +--send commit +connection $con_aux1; +--echo # Wait until COMMIT is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "commit"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap COMMIT. +--reap +delete from t3_trans; +--echo # +--echo # Check that COMMIT blocks FTWRL in another connection. +begin; +insert into t3_trans values (1); +set debug_sync='RESET'; +set debug_sync='ha_commit_trans_after_acquire_commit_lock SIGNAL parked WAIT_FOR go'; +--send commit +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +--send flush tables with read lock +connection $con_aux2; +--echo # Wait until FTWRL is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "flush tables with read lock"; +--source include/wait_condition.inc +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap COMMIT. +--reap +connection $con_aux1; +--echo # Reap FTWRL. +--reap +unlock tables; +connection default; +delete from t3_trans; +set debug_sync= "RESET"; +--echo # We don't run similar test for BEGIN and ROLLBACK as +--echo # they release metadata locks in non-standard place. + + +--echo # +--echo # 4) BINLOG statement should be incompatible with FTWRL. +--echo # +--echo # +--echo # Provide format description BINLOG statement first. +BINLOG ' +MfmqTA8BAAAAZwAAAGsAAAABAAQANS41LjctbTMtZGVidWctbG9nAAAAAAAAAAAAAAAAAAAAAAAA +AAAAAAAAAAAAAAAAAAAx+apMEzgNAAgAEgAEBAQEEgAAVAAEGggAAAAICAgCAA== +'; +--echo # Now test compatibility for BINLOG statement which is +--echo # equivalent to INSERT INTO t1_base VALUES (1). +let $statement= BINLOG ' +MfmqTBMBAAAALgAAAN0AAAAAACgAAAAAAAEABHRlc3QAB3QxX2Jhc2UAAQMAAQ== +MfmqTBcBAAAAIgAAAP8AAAAAACgAAAAAAAEAAf/+AQAAAA== +'; +let $cleanup_stmt1= delete from t1_base where i = 1 limit 1; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_incompatible.inc +let $skip_3rd_check= ; + + +--echo # +--echo # 5) CALL statement. This statement uses resources in two +--echo # ways: through expressions used as parameters and through +--echo # sub-statements. This test covers only usage through +--echo # parameters as sub-statements do locking individually. +--echo # +--echo # 5.a) In simple cases a parameter expression should be +--echo # compatible with FTWRL. +let $statement= call p2((select count(*) from t1_base)); +let $cleanup_stmt1= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 5.b) In case when an expression uses function which updates +--echo # base tables CALL should be incompatible with FTWRL. +--echo # +let $statement= call p2(f2_base()); +let $cleanup_stmt1= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_incompatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 5.c) If function used as argument updates temporary tables +--echo # CALL statement should be compatible with FTWRL. +--echo # +let $statement= call p2(f2_temp()); +let $cleanup_stmt1= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + + +--echo # +--echo # 6) CHECK TABLE statement is compatible with FTWRL. +--echo # +let $statement= check table t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 7) CHECKSUM TABLE statement is compatible with FTWRL. +--echo # +let $statement= checksum table t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 8) CREATE variants. +--echo # +--echo # 8.1) CREATE TABLE statement. +--echo # +--echo # 8.1.a) CREATE TABLE is incompatible with FTWRL when +--echo # base table is created. +let $statement= create table t3_base(i int); +let $cleanup_stmt1= drop table t3_base; +--source include/check_ftwrl_incompatible.inc + +--echo # 8.1.b) CREATE TABLE is compatible with FTWRL when +--echo # temporary table is created. +let $statement= create temporary table t3_temp(i int); +let $cleanup_stmt= drop temporary tables t3_temp; +--source include/check_ftwrl_compatible.inc + +--echo # 8.1.c) CREATE TABLE LIKE is incompatible with FTWRL when +--echo # base table is created. +let $statement= create table t3_base like t1_temp; +let $cleanup_stmt1= drop table t3_base; +--source include/check_ftwrl_incompatible.inc + +--echo # 8.1.d) CREATE TABLE LIKE is compatible with FTWRL when +--echo # temporary table is created. +let $statement= create temporary table t3_temp like t1_base; +let $cleanup_stmt= drop temporary table t3_temp; +--source include/check_ftwrl_compatible.inc + +--echo # 8.1.e) CREATE TABLE SELECT is incompatible with FTWRL when +--echo # base table is created. +let $statement= create table t3_base select 1 as i; +let $cleanup_stmt1= drop table t3_base; +--source include/check_ftwrl_incompatible.inc + +--echo # 8.1.f) CREATE TABLE SELECT is compatible with FTWRL when +--echo # temporary table is created. +let $statement= create temporary table t3_temp select 1 as i; +let $cleanup_stmt= drop temporary table t3_temp; +--source include/check_ftwrl_compatible.inc + +--echo # 8.2) CREATE INDEX statement. +--echo # +--echo # 8.2.a) CREATE INDEX is incompatible with FTWRL when +--echo # applied to base table. +let $statement= create index i on t1_base (i); +let $cleanup_stmt1= drop index i on t1_base; +--source include/check_ftwrl_incompatible.inc + +--echo # 8.2.b) CREATE INDEX is compatible with FTWRL when +--echo # applied to temporary table. +let $statement= create index i on t1_temp (i); +let $cleanup_stmt= drop index i on t1_temp; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 8.3) CREATE DATABASE is incompatible with FTWRL. +--echo # +let $statement= create database mysqltest2; +let $cleanup_stmt1= drop database mysqltest2; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 8.4) CREATE VIEW is incompatible with FTWRL. +--echo # +let $statement= create view v2 as select 1 as j; +let $cleanup_stmt1= drop view v2; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 8.5) CREATE TRIGGER is incompatible with FTWRL. +--echo # +let $statement= create trigger t1_bi before insert on t1_base for each row begin end; +let $cleanup_stmt1= drop trigger t1_bi; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 8.6) CREATE FUNCTION is incompatible with FTWRL. +--echo # +let $statement= create function f2() returns int return 0; +let $cleanup_stmt1= drop function f2; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 8.7) CREATE PROCEDURE is incompatible with FTWRL. +--echo # +let $statement= create procedure p3() begin end; +let $cleanup_stmt1= drop procedure p3; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 8.8) CREATE EVENT should be incompatible with FTWRL. +--echo # +let $statement= create event e2 on schedule every 1 minute do begin end; +let $cleanup_stmt1= drop event e2; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 8.9) CREATE USER should be incompatible with FTWRL. +--echo # +let $statement= create user mysqltest_u1; +let $cleanup_stmt1= drop user mysqltest_u1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 8.x) The rest of CREATE variants (CREATE LOGFILE GROUP, +--echo # CREATE TABLESPACE and CREATE SERVER) are too special +--echo # to test here. +--echo # + + +--echo # +--echo # 9) PREPARE, EXECUTE and DEALLOCATE PREPARE statements. +--echo # +--echo # 9.1) PREPARE statement is compatible with FTWRL as it +--echo # doesn't change any data. +--echo # +--echo # 9.1.a) Prepare of simple INSERT statement. +--echo # +let $statement= prepare stmt1 from 'insert into t1_base values (1)'; +let $cleanup_stmt= deallocate prepare stmt1; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 9.1.b) Prepare of multi-UPDATE. At some point such statements +--echo # tried to acquire thr_lock.c locks during prepare phase. +--echo # This no longer happens and thus it is compatible with +--echo # FTWRL. +let $statement= prepare stmt1 from 'update t1_base, t2_base set t1_base.i= 1 where t1_base.i = t2_base.j'; +let $cleanup_stmt= deallocate prepare stmt1; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 9.1.c) Prepare of multi-DELETE. Again PREPARE of such +--echo # statement should be compatible with FTWRL. +let $statement= prepare stmt1 from 'delete t1_base from t1_base, t2_base where t1_base.i = t2_base.j'; +let $cleanup_stmt= deallocate prepare stmt1; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 9.2) Compatibility of EXECUTE statement depends on statement +--echo # to be executed. +--echo # +--echo # 9.2.a) EXECUTE for statement which is itself compatible with +--echo # FTWRL should be compatible. +prepare stmt1 from 'select * from t1_base'; +let $statement= execute stmt1; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc +deallocate prepare stmt1; + +call mtr.add_suppression("Slave SQL.*Can.t execute the query because you have a conflicting read lock., error.* 1223"); + +--echo # +--echo # 9.2.b) EXECUTE for statement which is incompatible with FTWRL +--echo # should be also incompatible. +--echo # +--echo # Check that EXECUTE is not allowed under FTWRL. +prepare stmt1 from 'insert into t1_base values (1)'; +flush tables with read lock; +--error ER_CANT_UPDATE_WITH_READLOCK +execute stmt1; +unlock tables; +--echo # Check that active FTWRL in another connection +--echo # blocks EXECUTE which changes data. +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--send execute stmt1 +connection $con_aux1; +--echo # Check that EXECUTE is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for global read lock" and + info = "insert into t1_base values (1)"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap EXECUTE. +--reap +set debug_sync='RESET'; +set debug_sync='execute_command_after_close_tables SIGNAL parked WAIT_FOR go'; +--send execute stmt1; +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +--send flush tables with read lock +connection $con_aux2; +--echo # Wait until FTWRL is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for global read lock" and + info = "flush tables with read lock"; +--source include/wait_condition.inc +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap EXECUTE. +--reap +connection $con_aux1; +--echo # Reap FTWRL. +--reap +unlock tables; +connection default; +set debug_sync= "RESET"; +delete from t1_base; +deallocate prepare stmt1; + +--echo # +--echo # 9.3) DEALLOCATE PREPARE is compatible with FTWRL. +--echo # +prepare stmt1 from 'insert into t1_base values (1)'; +let $statement= deallocate prepare stmt1; +let $cleanup_stmt= prepare stmt1 from 'insert into t1_base values (1)'; +--source include/check_ftwrl_compatible.inc +deallocate prepare stmt1; + + +--echo # +--echo # 10) DELETE variations. +--echo # +--echo # 10.1) Simple DELETE. +--echo # +--echo # 10.1.a) Simple DELETE on base table is incompatible with FTWRL. +let $statement= delete from t1_base; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 10.1.b) Simple DELETE on temporary table is compatible with FTWRL. +let $statement= delete from t1_temp; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 10.2) Multi DELETE. +--echo # +--echo # 10.2.a) Multi DELETE on base tables is incompatible with FTWRL. +let $statement= delete t1_base from t1_base, t2_base where t1_base.i = t2_base.j; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 10.2.b) Multi DELETE on temporary tables is compatible with FTWRL. +let $statement= delete t1_temp from t1_temp, t2_temp where t1_temp.i = t2_temp.j; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 11) DESCRIBE should be compatible with FTWRL. +--echo # +let $statement= describe t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 12) Compatibility of DO statement with FTWRL depends on its +--echo # expression. +--echo # +--echo # 12.a) DO with expression which does not change base table +--echo # should be compatible with FTWRL. +let $statement= do (select count(*) from t1_base); +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 12.b) DO which calls SF updating base table should be +--echo # incompatible with FTWRL. +let $statement= do f2_base(); +let $cleanup_stmt1= delete from t1_base limit 1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 12.c) DO which calls SF updating temporary table should be +--echo # compatible with FTWRL. +let $statement= do f2_temp(); +let $cleanup_stmt= delete from t1_temp limit 1; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 13) DROP variants. +--echo # +--echo # 13.1) DROP TABLES. +--echo # +--echo # 13.1.a) DROP TABLES which affects base tables is incompatible +--echo # with FTWRL. +let $statement= drop table t2_base; +let $cleanup_stmt1= create table t2_base(j int); +--source include/check_ftwrl_incompatible.inc + +--echo # 13.1.b) DROP TABLES which affects only temporary tables +--echo # is compatible with FTWRL. +let $statement= drop table t2_temp; +let $cleanup_stmt= create temporary table t2_temp(j int); +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 13.1.c) DROP TEMPORARY TABLES should be compatible with FTWRL. +let $statement= drop temporary table t2_temp; +let $cleanup_stmt= create temporary table t2_temp(j int); +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 13.2) DROP INDEX. +--echo # +--echo # 13.2.a) DROP INDEX on a base table is incompatible with FTWRL. +create index i on t1_base (i); +let $statement= drop index i on t1_base; +let $cleanup_stmt1= create index i on t1_base (i); +--source include/check_ftwrl_incompatible.inc +drop index i on t1_base; + +--echo # +--echo # 13.2.b) DROP INDEX on a temporary table is compatible with FTWRL. +create index i on t1_temp (i); +let $statement= drop index i on t1_temp; +let $cleanup_stmt= create index i on t1_temp (i); +--source include/check_ftwrl_compatible.inc +drop index i on t1_temp; + +--echo # +--echo # 13.3) DROP DATABASE is incompatible with FTWRL +--echo # +let $statement= drop database mysqltest1; +let $cleanup_stmt1= create database mysqltest1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 13.4) DROP FUNCTION is incompatible with FTWRL. +--echo # +let $statement= drop function f1; +let $cleanup_stmt1= create function f1() returns int return 0; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 13.5) DROP PROCEDURE is incompatible with FTWRL. +--echo # +let $statement= drop procedure p1; +let $cleanup_stmt1= create procedure p1() begin end; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 13.6) DROP USER should be incompatible with FTWRL. +--echo # +create user mysqltest_u1; +let $statement= drop user mysqltest_u1; +let $cleanup_stmt1= create user mysqltest_u1; +--source include/check_ftwrl_incompatible.inc +drop user mysqltest_u1; + +--echo # +--echo # 13.7) DROP VIEW should be incompatible with FTWRL. +--echo # +let $statement= drop view v1; +let $cleanup_stmt1= create view v1 as select 1 as i; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 13.8) DROP EVENT should be incompatible with FTWRL. +--echo # +let $statement= drop event e1; +let $cleanup_stmt1= create event e1 on schedule every 1 minute do begin end; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 13.9) DROP TRIGGER is incompatible with FTWRL. +--echo # +create trigger t1_bi before insert on t1_base for each row begin end; +let $statement= drop trigger t1_bi; +let $cleanup_stmt1= create trigger t1_bi before insert on t1_base for each row begin end; +--source include/check_ftwrl_incompatible.inc +drop trigger t1_bi; + +--echo # +--echo # 13.x) The rest of DROP variants (DROP TABLESPACE, DROP LOGFILE +--echo # GROUP and DROP SERVER) are too special to test here. +--echo # + + +--echo # +--echo # 14) FLUSH variants. +--echo # +--echo # Test compatibility of _some_ important FLUSH variants with FTWRL. +--echo # +--echo # 14.1) FLUSH TABLES WITH READ LOCK is compatible with itself. +--echo # +--echo # Check that FTWRL statements can be run while FTWRL +--echo # is active in another connection. +--echo # +flush tables with read lock; +--echo # The second FTWRL in a row is allowed at the moment. +--echo # It does not make much sense as it does only flush. +flush tables with read lock; +unlock tables; +connection $con_aux1; +flush tables with read lock; +connection default; +flush tables with read lock; +unlock tables; +connection $con_aux1; +unlock tables; +connection default; + +--echo # +--echo # 14.2) FLUSH TABLES <list> WITH READ LOCK is not blocked by +--echo # active FTWRL. But since the latter keeps tables open +--echo # FTWRL is blocked by FLUSH TABLES <list> WITH READ LOCK. +flush tables with read lock; +--echo # FT <list> WRL is allowed under FTWRL at the moment. +--echo # It does not make much sense though. +flush tables t1_base, t2_base with read lock; +unlock tables; +connection $con_aux1; +flush tables with read lock; +connection default; +flush tables t1_base, t2_base with read lock; +unlock tables; +connection $con_aux1; +unlock tables; +connection default; +flush tables t1_base, t2_base with read lock; +connection $con_aux1; +--send flush tables with read lock +connection $con_aux2; +--echo # Wait until FTWRL is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for table flush" and + info = "flush tables with read lock"; +--source include/wait_condition.inc +connection default; +unlock tables; +connection $con_aux1; +--echo # Reap FTWRL. +--reap +unlock tables; +connection default; + + +--echo # +--echo # 14.3) FLUSH TABLES is compatible with FTWRL. +let $statement= flush tables; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 14.4) FLUSH TABLES <list> is compatible with FTWRL. +let $statement= flush table t1_base, t2_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 14.5) FLUSH PRIVILEGES is compatible with FTWRL. +let $statement= flush privileges; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 15) GRANT statement should be incompatible with FTWRL. +--echo # +let $statement= grant all privileges on t1_base to mysqltest_u1; +let $cleanup_stmt1= revoke all privileges on t1_base from mysqltest_u1; +--source include/check_ftwrl_incompatible.inc +drop user mysqltest_u1; + + +--echo # +--echo # 16) All HANDLER variants are half-compatible with FTWRL. +--echo # I.e. they are not blocked by active FTWRL. But since open +--echo # HANDLER means open table instance FTWRL is blocked while +--echo # HANDLER is not closed. +--echo # +--echo # Check that HANDLER statements succeed under FTWRL. +flush tables with read lock; +handler t1_base open; +handler t1_base read first; +handler t1_base close; +unlock tables; +--echo # Check that HANDLER statements can be run while FTWRL +--echo # is active in another connection. +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +handler t1_base open; +handler t1_base read first; +handler t1_base close; +connection $con_aux1; +unlock tables; +connection default; + + +--echo # +--echo # 17) HELP statement is compatible with FTWRL. +--echo # +let $statement= help no_such_topic; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 18) INSERT statement. +--echo # +--echo # 18.a) Ordinary INSERT into base table is incompatible with FTWRL. +let $statement= insert into t1_base values (1); +let $cleanup_stmt1= delete from t1_base limit 1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 18.b) Ordinary INSERT into temp table is compatible with FTWRL. +let $statement= insert into t1_temp values (1); +let $cleanup_stmt= delete from t1_temp limit 1; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 18.c) INSERT DELAYED is incompatible with FTWRL. +let $statement= insert delayed into t1_base values (1); +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc +delete from t1_base; + +--echo # +--echo # 18.d) INSERT SELECT into base table is incompatible with FTWRL. +let $statement= insert into t1_base select * from t1_temp; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 18.e) INSERT SELECT into temp table is compatible with FTWRL. +let $statement= insert into t1_temp select * from t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 19) KILL statement is compatible with FTWRL. +--echo # +--echo # Check that KILL can be run under FTWRL. +flush tables with read lock; +set @id:= connection_id(); +--error ER_QUERY_INTERRUPTED +kill query @id; +unlock tables; +--echo # Check that KILL statements can be run while FTWRL +--echo # is active in another connection. +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--error ER_QUERY_INTERRUPTED +kill query @id; +connection $con_aux1; +unlock tables; +connection default; +--echo # Finally check that KILL doesn't block FTWRL +set debug_sync='RESET'; +set debug_sync='execute_command_after_close_tables SIGNAL parked WAIT_FOR go'; +--send kill query @id +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +flush tables with read lock; +unlock tables; +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap KILL. +--error ER_QUERY_INTERRUPTED +--reap +set debug_sync='RESET'; + + +--echo # +--echo # 20) LOAD DATA statement. +--echo # +--echo # 20.a) LOAD DATA into base table is incompatible with FTWRL. +let $statement= load data infile '../../std_data/rpl_loaddata.dat' into table t1_base (@dummy, i); +let $cleanup_stmt1= delete from t1_base; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 20.b) LOAD DATA into temporary table is compatible with FTWRL. +let $statement= load data infile '../../std_data/rpl_loaddata.dat' into table t1_temp (@dummy, i); +let $cleanup_stmt= delete from t1_temp; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 21) LOCK/UNLOCK TABLES statements. +--echo # +--echo # LOCK TABLES statement always (almost) blocks FTWRL as it +--echo # keeps tables open until UNLOCK TABLES. +--echo # Active FTWRL on the other hand blocks only those +--echo # LOCK TABLES which allow updating of base tables. +--echo # +--echo # 21.a) LOCK TABLES READ is allowed under FTWRL and +--echo # is not blocked by active FTWRL. +flush tables with read lock; +lock tables t1_base read; +unlock tables; +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +lock tables t1_base read; +unlock tables; +connection $con_aux1; +unlock tables; +connection default; + +--echo # +--echo # 21.b) LOCK TABLES WRITE on a base table is disallowed +--echo # under FTWRL and should be blocked by active FTWRL. +flush tables with read lock; +--error ER_CANT_UPDATE_WITH_READLOCK +lock tables t1_base write; +unlock tables; +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--send lock tables t1_base write +connection $con_aux1; +--echo # Check that LOCK TABLES WRITE is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for global read lock" and + info = "lock tables t1_base write"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap LOCK TABLES WRITE +--reap +unlock tables; + +--echo # +--echo # 21.c) LOCK TABLES WRITE on temporary table doesn't +--echo # make much sense but is allowed under FTWRL +--echo # and should not be blocked by active FTWRL. +flush tables with read lock; +lock tables t1_temp write; +unlock tables; +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +lock tables t1_temp write; +unlock tables; +connection $con_aux1; +unlock tables; +connection default; + + +--echo # +--echo # 22) OPTIMIZE TABLE statement. +--echo # +--echo # 22.a) OPTIMIZE TABLE of base table is incompatible with FTWRL. +flush tables with read lock; +--echo # OPTIMIZE statement returns errors as part of result-set. +optimize table t1_base; +unlock tables; +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--send optimize table t1_base +connection $con_aux1; +--echo # Check that OPTIMIZE TABLE is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for global read lock" and + info = "optimize table t1_base"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap OPTIMIZE TABLE +--reap +--echo # We don't check that active OPTIMIZE TABLE blocks +--echo # FTWRL as this one of statements releasing metadata +--echo # locks in non-standard place. + +--echo # +--echo # 22.b) OPTIMIZE TABLE of temporary table is compatible with FTWRL. +let $statement= optimize table t1_temp; +let $cleanup_stmt= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + + +--echo # +--echo # 23) CACHE statement is compatible with FTWRL. +--echo # +let $statement= cache index t1_base in default; +let $cleanup_stmt= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + + +--echo # +--echo # 24) LOAD INDEX statement is compatible with FTWRL. +--echo # +let $statement= load index into cache t1_base; +let $cleanup_stmt= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + + +--echo # +--echo # 25) SAVEPOINT/RELEASE SAVEPOINT/ROLLBACK TO SAVEPOINT are +--echo # compatible with FTWRL. +--echo # +--echo # Since manipulations on savepoint have to be done +--echo # inside transaction and FTWRL commits transaction we +--echo # need a special test for these statements. +flush tables with read lock; +begin; +savepoint sv1; +rollback to savepoint sv1; +release savepoint sv1; +unlock tables; +commit; +--echo # Check that these statements are not blocked by +--echo # active FTWRL in another connection. +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +begin; +connection $con_aux1; +unlock tables; +connection default; +--echo # Do some changes to avoid SAVEPOINT and friends +--echo # being almost no-ops. +insert into t3_trans values (1); +connection $con_aux1; +flush tables with read lock; +connection default; +savepoint sv1; +connection $con_aux1; +unlock tables; +connection default; +insert into t3_trans values (2); +connection $con_aux1; +flush tables with read lock; +connection default; +rollback to savepoint sv1; +release savepoint sv1; +connection $con_aux1; +unlock tables; +connection default; +rollback; +--echo # Check that these statements don't block FTWRL in +--echo # another connection. +begin; +--echo # Do some changes to avoid SAVEPOINT and friends +--echo # being almost no-ops. +insert into t3_trans values (1); +set debug_sync='RESET'; +set debug_sync='execute_command_after_close_tables SIGNAL parked WAIT_FOR go'; +--send savepoint sv1 +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +flush tables with read lock; +unlock tables; +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap SAVEPOINT +--reap +insert into t3_trans values (2); +set debug_sync='execute_command_after_close_tables SIGNAL parked WAIT_FOR go'; +--send rollback to savepoint sv1 +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +flush tables with read lock; +unlock tables; +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap ROLLBACK TO SAVEPOINT +--reap +set debug_sync='execute_command_after_close_tables SIGNAL parked WAIT_FOR go'; +--send release savepoint sv1 +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +flush tables with read lock; +unlock tables; +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap RELEASE SAVEPOINT +--reap +rollback; +set debug_sync= "RESET"; + + +--echo # +--echo # 26) RENAME variants. +--echo # +--echo # 26.1) RENAME TABLES is incompatible with FTWRL. +let $statement= rename table t1_base to t3_base; +let $cleanup_stmt1= rename table t3_base to t1_base; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 26.2) RENAME USER is incompatible with FTWRL. +create user mysqltest_u1; +let $statement= rename user mysqltest_u1 to mysqltest_u2; +let $cleanup_stmt1= rename user mysqltest_u2 to mysqltest_u1; +--source include/check_ftwrl_incompatible.inc +drop user mysqltest_u1; + + +--echo # +--echo # 27) REPAIR TABLE statement. +--echo # +--echo # 27.a) REPAIR TABLE of base table is incompatible with FTWRL. +flush tables with read lock; +--echo # REPAIR statement returns errors as part of result-set. +repair table t1_base; +unlock tables; +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--send repair table t1_base +connection $con_aux1; +--echo # Check that REPAIR TABLE is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for global read lock" and + info = "repair table t1_base"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap REPAIR TABLE +--reap +--echo # We don't check that active REPAIR TABLE blocks +--echo # FTWRL as this one of statements releasing metadata +--echo # locks in non-standard place. + +--echo # +--echo # 27.b) REPAIR TABLE of temporary table is compatible with FTWRL. +let $statement= repair table t1_temp; +let $cleanup_stmt= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + + +--echo # +--echo # 28) REPLACE statement. +--echo # +--echo # 28.a) Ordinary REPLACE into base table is incompatible with FTWRL. +let $statement= replace into t1_base values (1); +let $cleanup_stmt1= delete from t1_base limit 1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 28.b) Ordinary REPLACE into temp table is compatible with FTWRL. +let $statement= replace into t1_temp values (1); +let $cleanup_stmt= delete from t1_temp limit 1; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 28.c) REPLACE SELECT into base table is incompatible with FTWRL. +let $statement= replace into t1_base select * from t1_temp; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 28.d) REPLACE SELECT into temp table is compatible with FTWRL. +let $statement= replace into t1_temp select * from t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 29) REVOKE variants. +--echo # +--echo # 29.1) REVOKE privileges is incompatible with FTWRL. +grant all privileges on t1_base to mysqltest_u1; +let $statement= revoke all privileges on t1_base from mysqltest_u1; +let $cleanup_stmt1= grant all privileges on t1_base to mysqltest_u1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 29.2) REVOKE ALL PRIVILEGES, GRANT OPTION is incompatible with FTWRL. +let $statement= revoke all privileges, grant option from mysqltest_u1; +let $cleanup_stmt1= grant all privileges on t1_base to mysqltest_u1; +--source include/check_ftwrl_incompatible.inc +drop user mysqltest_u1; + + +--echo # +--echo # 30) Compatibility of SELECT statement with FTWRL depends on +--echo # locking mode used and on functions being invoked by it. +--echo # +--echo # 30.a) Simple SELECT which does not change tables should be +--echo # compatible with FTWRL. +let $statement= select count(*) from t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # 30.b) SELECT ... FOR UPDATE is incompatible with FTWRL. +let $statement= select count(*) from t1_base for update; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # 30.c) SELECT ... LOCK IN SHARE MODE is compatible with FTWRL. +let $statement= select count(*) from t1_base lock in share mode; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 30.d) SELECT which calls SF updating base table should be +--echo # incompatible with FTWRL. +let $statement= select f2_base(); +let $cleanup_stmt1= delete from t1_base limit 1; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 30.e) SELECT which calls SF updating temporary table should be +--echo # compatible with FTWRL. +let $statement= select f2_temp(); +let $cleanup_stmt= delete from t1_temp limit 1; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 31) Compatibility of SET statement with FTWRL depends on its +--echo # expression and on whether it is a special SET statement. +--echo # +--echo # 31.a) Ordinary SET with expression which does not +--echo # changes base table should be compatible with FTWRL. +let $statement= set @a:= (select count(*) from t1_base); +let $cleanup_stmt= ; +--echo # Skip last part of compatibility testing as our helper debug +--echo # sync-point doesn't work for SET statements. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 31.b) Ordinary SET which calls SF updating base table should +--echo # be incompatible with FTWRL. +let $statement= set @a:= f2_base(); +let $cleanup_stmt1= delete from t1_base limit 1; +--echo # Skip last part of compatibility testing as our helper debug +--echo # sync-point doesn't work for SET statements. +let $skip_3rd_check= 1; +--source include/check_ftwrl_incompatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 31.c) Ordinary SET which calls SF updating temporary table +--echo # should be compatible with FTWRL. +let $statement= set @a:= f2_temp(); +let $cleanup_stmt= delete from t1_temp limit 1; +--echo # Skip last part of compatibility testing as our helper debug +--echo # sync-point doesn't work for SET statements. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 31.d) Special SET variants have different compatibility with FTWRL. +--echo # +--echo # 31.d.I) SET PASSWORD is incompatible with FTWRL as it changes data. +create user mysqltest_u1; +let $statement= set password for 'mysqltest_u1' = password(''); +let $cleanup_stmt1= ; +--echo # Skip last part of compatibility testing as our helper debug +--echo # sync-point doesn't work for SET statements. +let $skip_3rd_check= 1; +--source include/check_ftwrl_incompatible.inc +let $skip_3rd_check= ; +drop user mysqltest_u1; +--echo # +--echo # 31.d.II) SET READ_ONLY is compatible with FTWRL (but has no +--echo # effect when executed under it). +let $statement= set global read_only= 1; +let $cleanup_stmt= set global read_only= 0; +--echo # Skip last part of compatibility testing as our helper debug +--echo # sync-point doesn't work for SET statements. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; +--echo # +--echo # 31.d.III) Situation with SET AUTOCOMMIT is complex. +--echo # Turning auto-commit off is always compatible with FTWRL. +--echo # Turning auto-commit on causes implicit commit and so +--echo # is incompatible with FTWRL if there are changes to be +--echo # committed. +flush tables with read lock; +set autocommit= 0; +--echo # Turning auto-commit on causes implicit commit so can +--echo # be incompatible with FTWRL if there is something to +--echo # commit. But since even in this case we allow commits +--echo # under active FTWRL such statement should always succeed. +insert into t3_temp_trans values (1); +set autocommit= 1; +unlock tables; +delete from t3_temp_trans; +--echo # Check that SET AUTOCOMMIT=0 is not blocked and +--echo # SET AUTOCOMMIT=1 is blocked by active FTWRL in +--echo # another connection. +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +set autocommit= 0; +connection $con_aux1; +unlock tables; +connection default; +--echo # Do some work so implicit commit in SET AUTOCOMMIT=1 +--echo # is not a no-op. +insert into t3_trans values (1); +connection $con_aux1; +flush tables with read lock; +connection default; +--echo # Send: +--send set autocommit= 1 +connection $con_aux1; +--echo # Wait until SET AUTOCOMMIT=1 is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "set autocommit= 1"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap SET AUTOCOMMIT=1. +--reap +delete from t3_trans; +--echo # +--echo # Check that SET AUTOCOMMIT=1 blocks FTWRL in another connection. +set autocommit= 0; +insert into t3_trans values (1); +set debug_sync='RESET'; +set debug_sync='ha_commit_trans_after_acquire_commit_lock SIGNAL parked WAIT_FOR go'; +--send set autocommit= 1 +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +--send flush tables with read lock +connection $con_aux2; +--echo # Wait until FTWRL is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "flush tables with read lock"; +--source include/wait_condition.inc +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap SET AUTOCOMMIT=1. +--reap +connection $con_aux1; +--echo # Reap FTWRL. +--reap +unlock tables; +connection default; +delete from t3_trans; +set debug_sync= "RESET"; + + +--echo # +--echo # 32) SHOW statements are compatible with FTWRL. +--echo # Let us test _some_ of them. +--echo # +--echo # 32.1) SHOW TABLES. +let $statement= show tables from test; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 32.1) SHOW TABLES. +let $statement= show tables from test; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 32.2) SHOW EVENTS. +let $statement= show events from test; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 32.3) SHOW GRANTS. +create user mysqltest_u1; +let $statement= show grants for mysqltest_u1; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc +drop user mysqltest_u1; + +--echo # +--echo # 32.4) SHOW CREATE TABLE. +let $statement= show create table t1_base; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 32.5) SHOW CREATE FUNCTION. +let $statement= show create function f1; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 33) SIGNAL statement is compatible with FTWRL. +--echo # +--echo # Note that we don't cover RESIGNAL as it requires +--echo # active handler context. +let $statement= signal sqlstate '01000'; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 34) TRUNCATE TABLE statement. +--echo # +--echo # 34.a) TRUNCATE of base table is incompatible with FTWRL. +let $statement= truncate table t1_base; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 34.b) TRUNCATE of temporary table is compatible with FTWRL. +let $statement= truncate table t1_temp; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 35) UPDATE variants. +--echo # +--echo # 35.1) Simple UPDATE. +--echo # +--echo # 35.1.a) Simple UPDATE on base table is incompatible with FTWRL. +let $statement= update t1_base set i= 1 where i = 0; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 35.1.b) Simple UPDATE on temporary table is compatible with FTWRL. +let $statement= update t1_temp set i= 1 where i = 0; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 35.2) Multi UPDATE. +--echo # +--echo # 35.2.a) Multi UPDATE on base tables is incompatible with FTWRL. +let $statement= update t1_base, t2_base set t1_base.i= 1 where t1_base.i = t2_base.j; +let $cleanup_stmt1= ; +--source include/check_ftwrl_incompatible.inc + +--echo # +--echo # 35.2.b) Multi UPDATE on temporary tables is compatible with FTWRL. +let $statement= update t1_temp, t2_temp set t1_temp.i= 1 where t1_temp.i = t2_temp.j; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 36) USE statement is compatible with FTWRL. +--echo # +let $statement= use mysqltest1; +let $cleanup_stmt= use test; +--source include/check_ftwrl_compatible.inc + + +--echo # +--echo # 37) XA statements. +--echo # +--echo # XA statements are similar to BEGIN/COMMIT/ROLLBACK. +--echo # +--echo # XA BEGIN, END, PREPARE, ROLLBACK and RECOVER are compatible +--echo # with FTWRL. XA COMMIT is not. +flush tables with read lock; +--echo # Although all below statements are allowed under FTWRL they +--echo # are almost no-ops as FTWRL does commit and does not allows +--echo # any non-temporary DML under it. +xa start 'test1'; +xa end 'test1'; +xa prepare 'test1'; +xa rollback 'test1'; +xa start 'test1'; +xa end 'test1'; +xa prepare 'test1'; +xa commit 'test1'; +--disable_result_log +xa recover; +--enable_result_log +unlock tables; +--echo # Check that XA non-COMMIT statements are not and COMMIT is +--echo # blocked by active FTWRL in another connection +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +xa start 'test1'; +connection $con_aux1; +unlock tables; +connection default; +insert into t3_trans values (1); +connection $con_aux1; +flush tables with read lock; +connection default; +xa end 'test1'; +xa prepare 'test1'; +xa rollback 'test1'; +connection $con_aux1; +unlock tables; +connection default; +xa start 'test1'; +insert into t3_trans values (1); +connection $con_aux1; +flush tables with read lock; +connection default; +connection default; +xa end 'test1'; +xa prepare 'test1'; +--echo # Send: +--send xa commit 'test1'; +connection $con_aux1; +--echo # Wait until XA COMMIT is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "xa commit 'test1'"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap XA COMMIT. +--reap +delete from t3_trans; +--echo # +--echo # Check that XA COMMIT blocks FTWRL in another connection. +xa start 'test1'; +insert into t3_trans values (1); +xa end 'test1'; +xa prepare 'test1'; +set debug_sync='RESET'; +set debug_sync='trans_xa_commit_after_acquire_commit_lock SIGNAL parked WAIT_FOR go'; +--send xa commit 'test1' +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +--send flush tables with read lock +connection $con_aux2; +--echo # Wait until FTWRL is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "flush tables with read lock"; +--source include/wait_condition.inc +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap XA COMMIT. +--reap +connection $con_aux1; +--echo # Reap FTWRL. +--reap +unlock tables; +connection default; +delete from t3_trans; +set debug_sync= "RESET"; + + +--echo # +--echo # 38) Test effect of auto-commit mode for DML on transactional +--echo # temporary tables. +--echo # +--echo # 38.1) When auto-commit is on each such a statement ends with commit +--echo # of changes to temporary tables. But since transactions doing +--echo # such changes are considered read only [sic!/QQ] this commit +--echo # is compatible with FTWRL. +--echo # +--echo # Let us demostrate this fact for some common DML statements. +let $statement= delete from t3_temp_trans; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +let $statement= insert into t3_temp_trans values (1); +let $cleanup_stmt= delete from t3_temp_trans limit 1; +--source include/check_ftwrl_compatible.inc + +let $statement= update t3_temp_trans, t2_temp set t3_temp_trans.i= 1 where t3_temp_trans.i = t2_temp.j; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 38.2) When auto-commit is off DML on transaction temporary tables +--echo # is compatible with FTWRL. +--echo # +set autocommit= 0; +let $statement= delete from t3_temp_trans; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc + +let $statement= insert into t3_temp_trans values (1); +let $cleanup_stmt= delete from t3_temp_trans limit 1; +--source include/check_ftwrl_compatible.inc + +let $statement= update t3_temp_trans, t2_temp set t3_temp_trans.i= 1 where t3_temp_trans.i = t2_temp.j; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc +set autocommit= 1; + + +--echo # +--echo # 39) Test effect of DDL on transactional tables. +--echo # +--echo # 39.1) Due to implicit commit at the end of statement some of DDL +--echo # statements which are compatible with FTWRL in non-transactional +--echo # case are not compatible in case of transactional tables. +--echo # +--echo # 39.1.a) ANALYZE TABLE for transactional table is incompatible with +--echo # FTWRL. +flush tables with read lock; +--echo # Implicit commits are allowed under FTWRL. +analyze table t3_trans; +unlock tables; +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--send analyze table t3_trans +connection $con_aux1; +--echo # Check that ANALYZE TABLE is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "analyze table t3_trans"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap ANALYZE TABLE +--reap + +--echo # +--echo # 39.1.b) CHECK TABLE for transactional table is compatible with FTWRL. +--echo # Although it does implicit commit at the end of statement it +--echo # is considered to be read-only operation. +let $statement= check table t3_trans; +let $cleanup_stmt= ; +--echo # Skip last part of compatibility testing as this statement +--echo # releases metadata locks in non-standard place. +let $skip_3rd_check= 1; +--source include/check_ftwrl_compatible.inc +let $skip_3rd_check= ; + +--echo # +--echo # 39.2) Situation with DDL on temporary transactional tables is +--echo # complex. +--echo # +--echo # 39.2.a) Some statements compatible with FTWRL since they don't +--echo # do implicit commit. +--echo # +--echo # For example, CREATE TEMPORARY TABLE: +let $statement= create temporary table t4_temp_trans(i int) engine=innodb; +let $cleanup_stmt= drop temporary tables t4_temp_trans; +--source include/check_ftwrl_compatible.inc +--echo # +--echo # Or DROP TEMPORARY TABLE: +let $statement= drop temporary tables t3_temp_trans; +let $cleanup_stmt= create temporary table t3_temp_trans(i int) engine=innodb; +--source include/check_ftwrl_compatible.inc +--echo # +--echo # 39.2.b) Some statements do implicit commit but are considered +--echo # read-only and so are compatible with FTWRL. +--echo # +--echo # For example, REPAIR TABLE: +let $statement= repair table t3_temp_trans; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc +--echo # +--echo # And ANALYZE TABLE: +let $statement= analyze table t3_temp_trans; +let $cleanup_stmt= ; +--source include/check_ftwrl_compatible.inc +--echo # +--echo # And ALTER TABLE: +let $statement= alter table t3_temp_trans add column c1 int; +let $cleanup_stmt= alter table t3_temp_trans drop column c1; +--source include/check_ftwrl_compatible.inc + +--echo # +--echo # 40) Test effect of implicit commit for DDL which is otherwise +--echo # compatible with FTWRL. Implicit commit at the start of DDL +--echo # statement can make it incompatible with FTWRL if there are +--echo # some changes to be commited even in case when DDL statement +--echo # itself is compatible with FTWRL. +--echo # +--echo # For example CHECK TABLE for base non-transactional tables and +--echo # ALTER TABLE for temporary non-transactional tables are affected. +begin; +insert into t3_trans values (1); +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--send check table t1_base +connection $con_aux1; +--echo # Check that CHECK TABLE is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "check table t1_base"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap CHECK TABLE +--reap +begin; +delete from t3_trans; +--echo # +connection $con_aux1; +flush tables with read lock; +connection default; +--send alter table t1_temp add column c1 int +connection $con_aux1; +--echo # Check that ALTER TABLE is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for commit lock" and + info = "alter table t1_temp add column c1 int"; +--source include/wait_condition.inc +unlock tables; +connection default; +--echo # Reap ALTER TABLE +--reap +alter table t1_temp drop column c1; + + +--echo # +--echo # Check that FLUSH TABLES WITH READ LOCK is blocked by individual +--echo # statements and is not blocked in the presence of transaction which +--echo # has done some changes earlier but is idle now (or does only reads). +--echo # This allows to use this statement even on systems which has long +--echo # running transactions. +--echo # +begin; +insert into t1_base values (1); +insert into t3_trans values (1); +connection $con_aux1; +--echo # The below FTWRL should not be blocked by transaction in 'default'. +flush tables with read lock; +connection default; +--echo # Transaction still is able to read even with FTWRL active in another +--echo # connection. +select * from t1_base; +select * from t2_base; +select * from t3_trans; +connection $con_aux1; +unlock tables; +connection default; +commit; +delete from t1_base; +delete from t3_trans; + + +--echo # +--echo # Check that impending FTWRL blocks new DML statements and +--echo # so can't be starved by a constant flow of DML. +--echo # (a.k.a. test for bug #54673 "It takes too long to get +--echo # readlock for 'FLUSH TABLES WITH READ LOCK'"). +--echo # +set debug_sync='RESET'; +set debug_sync='execute_command_after_close_tables SIGNAL parked WAIT_FOR go'; +--send insert into t1_base values (1) +connection $con_aux1; +set debug_sync='now WAIT_FOR parked'; +--send flush tables with read lock +connection $con_aux2; +--echo # Wait until FTWRL is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for global read lock" and + info = "flush tables with read lock"; +--source include/wait_condition.inc +--echo # Try to run another INSERT and see that it is blocked. +--send insert into t2_base values (1); +connection con3; +--echo # Wait until new INSERT is blocked. +let $wait_condition= + select count(*) = 1 from information_schema.processlist + where state = "Waiting for global read lock" and + info = "insert into t2_base values (1)"; +--echo # Unblock INSERT in the first connection. +set debug_sync='now SIGNAL go'; +connection default; +--echo # Reap first INSERT. +--reap +connection $con_aux1; +--echo # Reap FTWRL. +--reap +unlock tables; +connection $con_aux2; +--echo # Reap second INSERT. +--reap +connection default; +set debug_sync= "RESET"; +delete from t1_base; +delete from t2_base; + +--echo +--echo # Check that COMMIT thas is issued after +--echo # FLUSH TABLES WITH READ LOCK is not blocked by +--echo # FLUSH TABLES WITH READ LOCK from another connection. +--echo # This scenario is used in innobackup.pl. The COMMIT goes +--echo # through because the transaction started by FTWRL does +--echo # not modify any tables, and the commit blocker lock is +--echo # only taken when there were such modifications. +--echo +flush tables with read lock; +connection $con_aux1; +--echo # The below FTWRL should not be blocked by transaction in 'default'. +flush tables with read lock; +connection default; +select * from t1_base; +select * from t3_trans; +commit; +connection $con_aux1; +select * from t1_base; +select * from t3_trans; +commit; +unlock tables; +connection default; +unlock tables; + + +--echo # +--echo # Check how FLUSH TABLE WITH READ LOCK is handled for MERGE tables. +--echo # As usual there are tricky cases related to this type of tables. +--echo # +--echo # +--echo # 1) Most typical case - base MERGE table with base underlying tables. +--echo # +--echo # 1.a) DML statements which change data should be incompatible with FTWRL. +create table tm_base (i int) engine=merge union=(t1_base) insert_method=last; +let $statement= insert into tm_base values (1); +let $cleanup_stmt1= delete from tm_base; +--source include/check_ftwrl_incompatible.inc +--echo # +--echo # 1.b) DDL statement on such table should be incompatible with FTWRL as well. +let $statement= alter table tm_base insert_method=first; +let $cleanup_stmt1= alter table tm_base insert_method=last; +--source include/check_ftwrl_incompatible.inc +drop table tm_base; + +--echo # +--echo # 2) Temporary MERGE table with base underlying tables. +--echo # +--echo # 2.a) DML statements which change data should be incompatible with FTWRL +--echo # as they affect base tables. +create temporary table tm_temp_base (i int) engine=merge union=(t1_base) insert_method=last; +let $statement= insert into tm_temp_base values (1); +let $cleanup_stmt1= delete from tm_temp_base; +--source include/check_ftwrl_incompatible.inc +--echo # +--echo # 2.b) Some of DDL statements on such table can be compatible with FTWRL +--echo # as they don't affect base tables. +let $statement= drop temporary tables tm_temp_base; +let $cleanup_stmt= create temporary table tm_temp_base (i int) engine=merge union=(t1_base) insert_method=last; +--source include/check_ftwrl_compatible.inc +--echo # +--echo # 2.c) ALTER statement is incompatible with FTWRL. Even though it does +--echo # not change data in base table it still acquires strong metadata +--echo # locks on them. +let $statement= alter table tm_temp_base insert_method=first; +let $cleanup_stmt1= alter table tm_temp_base insert_method=last; +--source include/check_ftwrl_incompatible.inc +drop table tm_temp_base; + +--echo # +--echo # 3) Temporary MERGE table with temporary underlying tables. +--echo # +--echo # 3.a) DML statements should be compatible with FTWRL as +--echo # no base table is going to be affected. +create temporary table tm_temp_temp (i int) engine=merge union=(t1_temp) insert_method=last; +let $statement= insert into tm_temp_temp values (1); +let $cleanup_stmt= delete from tm_temp_temp; +--source include/check_ftwrl_compatible.inc +--echo # +--echo # 3.b) DDL statements should be compatible with FTWRL as well +--echo # as no base table is going to be affected too. +let $statement= alter table tm_temp_temp union=(t1_temp) insert_method=first; +let $cleanup_stmt= alter table tm_temp_temp union=(t1_temp) insert_method=last; +--source include/check_ftwrl_compatible.inc +drop table tm_temp_temp; + +--echo # +--echo # 4) For the sake of completeness let us check that base MERGE tables +--echo # with temporary underlying tables are not functional. +create table tm_base_temp (i int) engine=merge union=(t1_temp) insert_method=last; +--error ER_WRONG_MRG_TABLE +select * from tm_base_temp; +drop table tm_base_temp; + + +--echo # +--echo # Clean-up. +--echo # +drop event e1; +drop function f2_temp; +drop function f2_base; +drop procedure p2; +drop view v1; +drop function f1; +drop procedure p1; +drop database `#mysql50#mysqltest-2`; +drop database mysqltest1; +drop temporary tables t1_temp, t2_temp; +drop tables t1_base, t2_base, t3_trans; +disconnect con1; +disconnect con2; +disconnect con3; + +set global sql_mode=default; +# Check that all connections opened by test cases in this file are really +# gone so execution of other tests won't be affected by their presence. +--source include/wait_until_count_sessions.inc |