diff options
author | Oleksandr Byelkin <sanja@mariadb.com> | 2023-05-04 11:23:37 +0200 |
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committer | Oleksandr Byelkin <sanja@mariadb.com> | 2023-05-04 11:23:37 +0200 |
commit | 749c512911d36fbecc506b72694c473fcc8c2fd4 (patch) | |
tree | 8f5af89e26fc3ae74dc3ab2e86571e2b4661a00f | |
parent | e87440b79ec6f3e3ed2e6639a3239a4d02630b7e (diff) | |
parent | f5e7c56e3254271a434253ae1367a7be7c429f94 (diff) | |
download | mariadb-git-749c512911d36fbecc506b72694c473fcc8c2fd4.tar.gz |
Merge branch '10.4' into 10.5
-rw-r--r-- | mysql-test/main/explain_innodb.result | 18 | ||||
-rw-r--r-- | mysql-test/main/explain_innodb.test | 19 | ||||
-rw-r--r-- | mysql-test/main/selectivity.result | 69 | ||||
-rw-r--r-- | mysql-test/main/selectivity.test | 84 | ||||
-rw-r--r-- | mysql-test/main/selectivity_innodb.result | 67 | ||||
-rw-r--r-- | mysql-test/main/selectivity_innodb_notembedded.result | 104 | ||||
-rw-r--r-- | mysql-test/main/selectivity_innodb_notembedded.test | 16 | ||||
-rw-r--r-- | mysql-test/main/selectivity_notembedded.result | 95 | ||||
-rw-r--r-- | mysql-test/main/selectivity_notembedded.test | 121 | ||||
-rw-r--r-- | sql/item_subselect.cc | 6 |
10 files changed, 382 insertions, 217 deletions
diff --git a/mysql-test/main/explain_innodb.result b/mysql-test/main/explain_innodb.result index b46665c279c..c44d7baadea 100644 --- a/mysql-test/main/explain_innodb.result +++ b/mysql-test/main/explain_innodb.result @@ -18,3 +18,21 @@ id select_type table type possible_keys key key_len ref rows Extra 2 DERIVED t1 range NULL id 53 NULL 2 Using index for group-by SET GLOBAL slow_query_log = @sql_tmp; drop table t1; +# +# MDEV-31181: Server crash in subselect_uniquesubquery_engine::print +# upon EXPLAIN EXTENDED DELETE +# +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2 (pk INT PRIMARY KEY); +INSERT INTO t2 VALUES (1),(2); +EXPLAIN EXTENDED DELETE FROM t1 WHERE a IN (SELECT pk FROM t2); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where +2 DEPENDENT SUBQUERY t2 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index +Warnings: +Note 1003 /* select#1 */ delete from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`a`)))) +drop table t1, t2; +# +# End of 10.4 tests +# diff --git a/mysql-test/main/explain_innodb.test b/mysql-test/main/explain_innodb.test index 2c29a6e26da..3dcad4c2d49 100644 --- a/mysql-test/main/explain_innodb.test +++ b/mysql-test/main/explain_innodb.test @@ -18,3 +18,22 @@ SELECT * FROM (SELECT id FROM t1 GROUP BY id) dt WHERE 1=0; SET GLOBAL slow_query_log = @sql_tmp; drop table t1; + + +--echo # +--echo # MDEV-31181: Server crash in subselect_uniquesubquery_engine::print +--echo # upon EXPLAIN EXTENDED DELETE +--echo # + +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2 (pk INT PRIMARY KEY); +INSERT INTO t2 VALUES (1),(2); + +EXPLAIN EXTENDED DELETE FROM t1 WHERE a IN (SELECT pk FROM t2); + +drop table t1, t2; + +--echo # +--echo # End of 10.4 tests +--echo # diff --git a/mysql-test/main/selectivity.result b/mysql-test/main/selectivity.result index a7a17751486..5a7ec7799a0 100644 --- a/mysql-test/main/selectivity.result +++ b/mysql-test/main/selectivity.result @@ -1943,75 +1943,6 @@ Warnings: Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2 DROP TABLE t1; # End of 10.2 tests -# -# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram -# -create table t0(a int); -insert into t0 select 1 from seq_1_to_78; -create table t1(a int); -insert into t1 select 1 from seq_1_to_26; -create table t10 (a int); -insert into t10 select 0 from t0, seq_1_to_4; -insert into t10 select 8693 from t1; -insert into t10 select 8694 from t1; -insert into t10 select 8695 from t1; -insert into t10 select 34783 from t1; -insert into t10 select 34784 from t1; -insert into t10 select 34785 from t1; -insert into t10 select 34785 from t0, seq_1_to_8; -insert into t10 select 65214 from t1; -insert into t10 select 65215 from t1; -insert into t10 select 65216 from t1; -insert into t10 select 65216 from t0, seq_1_to_52; -insert into t10 select 65217 from t1; -insert into t10 select 65218 from t1; -insert into t10 select 65219 from t1; -insert into t10 select 65219 from t0; -insert into t10 select 73913 from t1; -insert into t10 select 73914 from t1; -insert into t10 select 73915 from t1; -insert into t10 select 73915 from t0, seq_1_to_40; -insert into t10 select 78257 from t1; -insert into t10 select 78258 from t1; -insert into t10 select 78259 from t1; -insert into t10 select 91300 from t1; -insert into t10 select 91301 from t1; -insert into t10 select 91302 from t1; -insert into t10 select 91302 from t0, seq_1_to_6; -insert into t10 select 91303 from t1; -insert into t10 select 91304 from t1; -insert into t10 select 91305 from t1; -insert into t10 select 91305 from t0, seq_1_to_8; -insert into t10 select 99998 from t1; -insert into t10 select 99999 from t1; -insert into t10 select 100000 from t1; -set use_stat_tables=preferably; -analyze table t10 persistent for all; -Table Op Msg_type Msg_text -test.t10 analyze status Engine-independent statistics collected -test.t10 analyze status OK -flush tables; -set @tmp=@@optimizer_trace; -set optimizer_trace=1; -explain select * from t10 where a in (91303); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t10 ALL NULL NULL NULL NULL 9984 Using where -# Must have selectivity_from_histogram <= 1.0: -select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) -from information_schema.optimizer_trace; -json_detailed(json_extract(trace, '$**.selectivity_for_columns')) -[ - [ - { - "column_name": "a", - "ranges": - ["91303 <= a <= 91303"], - "selectivity_from_histogram": 0.035714283 - } - ] -] -set optimizer_trace=@tmp; -drop table t0,t1,t10; set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; set histogram_size=@save_histogram_size; set use_stat_tables= @save_use_stat_tables; diff --git a/mysql-test/main/selectivity.test b/mysql-test/main/selectivity.test index 6f9d4d63eee..df3850d74b7 100644 --- a/mysql-test/main/selectivity.test +++ b/mysql-test/main/selectivity.test @@ -1326,90 +1326,12 @@ DROP TABLE t1; --echo # End of 10.2 tests ---echo # ---echo # MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram ---echo # -create table t0(a int); # This holds how many rows we hold in a bucket. -insert into t0 select 1 from seq_1_to_78; - -create table t1(a int); # one-third of a bucket -insert into t1 select 1 from seq_1_to_26; - -create table t10 (a int); -insert into t10 select 0 from t0, seq_1_to_4; - -insert into t10 select 8693 from t1; -insert into t10 select 8694 from t1; -insert into t10 select 8695 from t1; - - -insert into t10 select 34783 from t1; -insert into t10 select 34784 from t1; -insert into t10 select 34785 from t1; - - -insert into t10 select 34785 from t0, seq_1_to_8; - -insert into t10 select 65214 from t1; -insert into t10 select 65215 from t1; -insert into t10 select 65216 from t1; - -insert into t10 select 65216 from t0, seq_1_to_52; - -insert into t10 select 65217 from t1; -insert into t10 select 65218 from t1; -insert into t10 select 65219 from t1; - -insert into t10 select 65219 from t0; - - -insert into t10 select 73913 from t1; -insert into t10 select 73914 from t1; -insert into t10 select 73915 from t1; - -insert into t10 select 73915 from t0, seq_1_to_40; - -insert into t10 select 78257 from t1; -insert into t10 select 78258 from t1; -insert into t10 select 78259 from t1; - -insert into t10 select 91300 from t1; -insert into t10 select 91301 from t1; -insert into t10 select 91302 from t1; - -insert into t10 select 91302 from t0, seq_1_to_6; - -insert into t10 select 91303 from t1; # Only 1/3rd of bucket matches the search tuple -insert into t10 select 91304 from t1; -insert into t10 select 91305 from t1; - -insert into t10 select 91305 from t0, seq_1_to_8; - -insert into t10 select 99998 from t1; -insert into t10 select 99999 from t1; -insert into t10 select 100000 from t1; - -set use_stat_tables=preferably; -analyze table t10 persistent for all; -flush tables; - -set @tmp=@@optimizer_trace; -set optimizer_trace=1; -explain select * from t10 where a in (91303); - ---echo # Must have selectivity_from_histogram <= 1.0: -select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) -from information_schema.optimizer_trace; - -set optimizer_trace=@tmp; -drop table t0,t1,t10; - -set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; -set histogram_size=@save_histogram_size; -set use_stat_tables= @save_use_stat_tables; # # Clean up # +set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +set histogram_size=@save_histogram_size; +set use_stat_tables= @save_use_stat_tables; --source include/restore_charset.inc set @@global.histogram_size=@save_histogram_size; diff --git a/mysql-test/main/selectivity_innodb.result b/mysql-test/main/selectivity_innodb.result index 1f33a8e3d13..f9c623cd4b3 100644 --- a/mysql-test/main/selectivity_innodb.result +++ b/mysql-test/main/selectivity_innodb.result @@ -1953,73 +1953,6 @@ Warnings: Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2 DROP TABLE t1; # End of 10.2 tests -# -# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram -# -create table t0(a int); -insert into t0 select 1 from seq_1_to_78; -create table t1(a int); -insert into t1 select 1 from seq_1_to_26; -create table t10 (a int); -insert into t10 select 0 from t0, seq_1_to_4; -insert into t10 select 8693 from t1; -insert into t10 select 8694 from t1; -insert into t10 select 8695 from t1; -insert into t10 select 34783 from t1; -insert into t10 select 34784 from t1; -insert into t10 select 34785 from t1; -insert into t10 select 34785 from t0, seq_1_to_8; -insert into t10 select 65214 from t1; -insert into t10 select 65215 from t1; -insert into t10 select 65216 from t1; -insert into t10 select 65216 from t0, seq_1_to_52; -insert into t10 select 65217 from t1; -insert into t10 select 65218 from t1; -insert into t10 select 65219 from t1; -insert into t10 select 65219 from t0; -insert into t10 select 73913 from t1; -insert into t10 select 73914 from t1; -insert into t10 select 73915 from t1; -insert into t10 select 73915 from t0, seq_1_to_40; -insert into t10 select 78257 from t1; -insert into t10 select 78258 from t1; -insert into t10 select 78259 from t1; -insert into t10 select 91300 from t1; -insert into t10 select 91301 from t1; -insert into t10 select 91302 from t1; -insert into t10 select 91302 from t0, seq_1_to_6; -insert into t10 select 91303 from t1; -insert into t10 select 91304 from t1; -insert into t10 select 91305 from t1; -insert into t10 select 91305 from t0, seq_1_to_8; -insert into t10 select 99998 from t1; -insert into t10 select 99999 from t1; -insert into t10 select 100000 from t1; -set use_stat_tables=preferably; -analyze table t10 persistent for all; -Table Op Msg_type Msg_text -test.t10 analyze status Engine-independent statistics collected -test.t10 analyze status OK -flush tables; -set statement optimizer_trace=1 for -explain select * from t10 where a in (91303); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t10 ALL NULL NULL NULL NULL 9984 Using where -# Must have selectivity_from_histogram <= 1.0: -select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) -from information_schema.optimizer_trace; -json_detailed(json_extract(trace, '$**.selectivity_for_columns')) -[ - [ - { - "column_name": "a", - "ranges": - ["91303 <= a <= 91303"], - "selectivity_from_histogram": 0.035714283 - } - ] -] -drop table t0,t1,t10; set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; set histogram_size=@save_histogram_size; set use_stat_tables= @save_use_stat_tables; diff --git a/mysql-test/main/selectivity_innodb_notembedded.result b/mysql-test/main/selectivity_innodb_notembedded.result new file mode 100644 index 00000000000..8b06fe7556b --- /dev/null +++ b/mysql-test/main/selectivity_innodb_notembedded.result @@ -0,0 +1,104 @@ +SET SESSION STORAGE_ENGINE='InnoDB'; +Warnings: +Warning 1287 '@@storage_engine' is deprecated and will be removed in a future release. Please use '@@default_storage_engine' instead +set @save_optimizer_switch_for_selectivity_test=@@optimizer_switch; +set optimizer_switch='extended_keys=on'; +drop table if exists t0,t1,t2,t3; +select @@global.use_stat_tables; +@@global.use_stat_tables +COMPLEMENTARY +select @@session.use_stat_tables; +@@session.use_stat_tables +COMPLEMENTARY +set @save_use_stat_tables=@@use_stat_tables; +set use_stat_tables='preferably'; +set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity; +set @save_histogram_size=@@histogram_size; +set @save_histogram_type=@@histogram_type; +set join_cache_level=2; +set @@global.histogram_size=0,@@local.histogram_size=0; +set histogram_type='single_prec_hb'; +set optimizer_use_condition_selectivity=3; +# +# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram +# +create table t0(a int); +insert into t0 select 1 from seq_1_to_78; +create table t1(a int); +insert into t1 select 1 from seq_1_to_26; +create table t10 (a int); +insert into t10 select 0 from t0, seq_1_to_4; +insert into t10 select 8693 from t1; +insert into t10 select 8694 from t1; +insert into t10 select 8695 from t1; +insert into t10 select 34783 from t1; +insert into t10 select 34784 from t1; +insert into t10 select 34785 from t1; +insert into t10 select 34785 from t0, seq_1_to_8; +insert into t10 select 65214 from t1; +insert into t10 select 65215 from t1; +insert into t10 select 65216 from t1; +insert into t10 select 65216 from t0, seq_1_to_52; +insert into t10 select 65217 from t1; +insert into t10 select 65218 from t1; +insert into t10 select 65219 from t1; +insert into t10 select 65219 from t0; +insert into t10 select 73913 from t1; +insert into t10 select 73914 from t1; +insert into t10 select 73915 from t1; +insert into t10 select 73915 from t0, seq_1_to_40; +insert into t10 select 78257 from t1; +insert into t10 select 78258 from t1; +insert into t10 select 78259 from t1; +insert into t10 select 91300 from t1; +insert into t10 select 91301 from t1; +insert into t10 select 91302 from t1; +insert into t10 select 91302 from t0, seq_1_to_6; +insert into t10 select 91303 from t1; +insert into t10 select 91304 from t1; +insert into t10 select 91305 from t1; +insert into t10 select 91305 from t0, seq_1_to_8; +insert into t10 select 99998 from t1; +insert into t10 select 99999 from t1; +insert into t10 select 100000 from t1; +set use_stat_tables=preferably; +analyze table t10 persistent for all; +Table Op Msg_type Msg_text +test.t10 analyze status Engine-independent statistics collected +test.t10 analyze status OK +flush tables; +set @tmp=@@optimizer_trace; +set optimizer_trace=1; +explain select * from t10 where a in (91303); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t10 ALL NULL NULL NULL NULL 9984 Using where +# Must have selectivity_from_histogram <= 1.0: +select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) as sel +from information_schema.optimizer_trace; +sel +[ + [ + { + "column_name": "a", + "ranges": + ["91303 <= a <= 91303"], + "selectivity_from_histogram": 0.035714283 + } + ] +] +set optimizer_trace=@tmp; +drop table t0,t1,t10; +set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +set histogram_size=@save_histogram_size; +set use_stat_tables= @save_use_stat_tables; +# +# End of 10.4 tests +# +# +# Clean up +# +set @@global.histogram_size=@save_histogram_size; +set optimizer_switch=@save_optimizer_switch_for_selectivity_test; +SET SESSION STORAGE_ENGINE=DEFAULT; +Warnings: +Warning 1287 '@@storage_engine' is deprecated and will be removed in a future release. Please use '@@default_storage_engine' instead diff --git a/mysql-test/main/selectivity_innodb_notembedded.test b/mysql-test/main/selectivity_innodb_notembedded.test new file mode 100644 index 00000000000..387f7dcb7de --- /dev/null +++ b/mysql-test/main/selectivity_innodb_notembedded.test @@ -0,0 +1,16 @@ +--source include/have_innodb.inc +# This test is slow on buildbot. +--source include/big_test.inc +--source include/default_optimizer_switch.inc +--source include/not_embedded.inc + +SET SESSION STORAGE_ENGINE='InnoDB'; + +set @save_optimizer_switch_for_selectivity_test=@@optimizer_switch; +set optimizer_switch='extended_keys=on'; + +--source selectivity_notembedded.test + +set optimizer_switch=@save_optimizer_switch_for_selectivity_test; + +SET SESSION STORAGE_ENGINE=DEFAULT; diff --git a/mysql-test/main/selectivity_notembedded.result b/mysql-test/main/selectivity_notembedded.result new file mode 100644 index 00000000000..d2e90a19a68 --- /dev/null +++ b/mysql-test/main/selectivity_notembedded.result @@ -0,0 +1,95 @@ +drop table if exists t0,t1,t2,t3; +select @@global.use_stat_tables; +@@global.use_stat_tables +COMPLEMENTARY +select @@session.use_stat_tables; +@@session.use_stat_tables +COMPLEMENTARY +set @save_use_stat_tables=@@use_stat_tables; +set use_stat_tables='preferably'; +set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity; +set @save_histogram_size=@@histogram_size; +set @save_histogram_type=@@histogram_type; +set join_cache_level=2; +set @@global.histogram_size=0,@@local.histogram_size=0; +set histogram_type='single_prec_hb'; +set optimizer_use_condition_selectivity=3; +# +# MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram +# +create table t0(a int); +insert into t0 select 1 from seq_1_to_78; +create table t1(a int); +insert into t1 select 1 from seq_1_to_26; +create table t10 (a int); +insert into t10 select 0 from t0, seq_1_to_4; +insert into t10 select 8693 from t1; +insert into t10 select 8694 from t1; +insert into t10 select 8695 from t1; +insert into t10 select 34783 from t1; +insert into t10 select 34784 from t1; +insert into t10 select 34785 from t1; +insert into t10 select 34785 from t0, seq_1_to_8; +insert into t10 select 65214 from t1; +insert into t10 select 65215 from t1; +insert into t10 select 65216 from t1; +insert into t10 select 65216 from t0, seq_1_to_52; +insert into t10 select 65217 from t1; +insert into t10 select 65218 from t1; +insert into t10 select 65219 from t1; +insert into t10 select 65219 from t0; +insert into t10 select 73913 from t1; +insert into t10 select 73914 from t1; +insert into t10 select 73915 from t1; +insert into t10 select 73915 from t0, seq_1_to_40; +insert into t10 select 78257 from t1; +insert into t10 select 78258 from t1; +insert into t10 select 78259 from t1; +insert into t10 select 91300 from t1; +insert into t10 select 91301 from t1; +insert into t10 select 91302 from t1; +insert into t10 select 91302 from t0, seq_1_to_6; +insert into t10 select 91303 from t1; +insert into t10 select 91304 from t1; +insert into t10 select 91305 from t1; +insert into t10 select 91305 from t0, seq_1_to_8; +insert into t10 select 99998 from t1; +insert into t10 select 99999 from t1; +insert into t10 select 100000 from t1; +set use_stat_tables=preferably; +analyze table t10 persistent for all; +Table Op Msg_type Msg_text +test.t10 analyze status Engine-independent statistics collected +test.t10 analyze status OK +flush tables; +set @tmp=@@optimizer_trace; +set optimizer_trace=1; +explain select * from t10 where a in (91303); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t10 ALL NULL NULL NULL NULL 9984 Using where +# Must have selectivity_from_histogram <= 1.0: +select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) as sel +from information_schema.optimizer_trace; +sel +[ + [ + { + "column_name": "a", + "ranges": + ["91303 <= a <= 91303"], + "selectivity_from_histogram": 0.035714283 + } + ] +] +set optimizer_trace=@tmp; +drop table t0,t1,t10; +set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +set histogram_size=@save_histogram_size; +set use_stat_tables= @save_use_stat_tables; +# +# End of 10.4 tests +# +# +# Clean up +# +set @@global.histogram_size=@save_histogram_size; diff --git a/mysql-test/main/selectivity_notembedded.test b/mysql-test/main/selectivity_notembedded.test new file mode 100644 index 00000000000..6752bd3c7e1 --- /dev/null +++ b/mysql-test/main/selectivity_notembedded.test @@ -0,0 +1,121 @@ +--source include/no_valgrind_without_big.inc +--source include/have_stat_tables.inc +--source include/have_sequence.inc +--source include/default_charset.inc +--source include/not_embedded.inc + +--disable_warnings +drop table if exists t0,t1,t2,t3; +--enable_warnings + +select @@global.use_stat_tables; +select @@session.use_stat_tables; + +set @save_use_stat_tables=@@use_stat_tables; +set use_stat_tables='preferably'; + +--source include/default_optimizer_switch.inc +set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity; +set @save_histogram_size=@@histogram_size; +set @save_histogram_type=@@histogram_type; +set join_cache_level=2; +set @@global.histogram_size=0,@@local.histogram_size=0; +set histogram_type='single_prec_hb'; + +# check that statistics on nulls is used + +set optimizer_use_condition_selectivity=3; + +--echo # +--echo # MDEV-31067: selectivity_from_histogram >1.0 for a DOUBLE_PREC_HB histogram +--echo # +create table t0(a int); # This holds how many rows we hold in a bucket. +insert into t0 select 1 from seq_1_to_78; + +create table t1(a int); # one-third of a bucket +insert into t1 select 1 from seq_1_to_26; + +create table t10 (a int); +insert into t10 select 0 from t0, seq_1_to_4; + +insert into t10 select 8693 from t1; +insert into t10 select 8694 from t1; +insert into t10 select 8695 from t1; + + +insert into t10 select 34783 from t1; +insert into t10 select 34784 from t1; +insert into t10 select 34785 from t1; + + +insert into t10 select 34785 from t0, seq_1_to_8; + +insert into t10 select 65214 from t1; +insert into t10 select 65215 from t1; +insert into t10 select 65216 from t1; + +insert into t10 select 65216 from t0, seq_1_to_52; + +insert into t10 select 65217 from t1; +insert into t10 select 65218 from t1; +insert into t10 select 65219 from t1; + +insert into t10 select 65219 from t0; + + +insert into t10 select 73913 from t1; +insert into t10 select 73914 from t1; +insert into t10 select 73915 from t1; + +insert into t10 select 73915 from t0, seq_1_to_40; + + +insert into t10 select 78257 from t1; +insert into t10 select 78258 from t1; +insert into t10 select 78259 from t1; + +insert into t10 select 91300 from t1; +insert into t10 select 91301 from t1; +insert into t10 select 91302 from t1; + +insert into t10 select 91302 from t0, seq_1_to_6; + +insert into t10 select 91303 from t1; # Only 1/3rd of bucket matches the search tuple +insert into t10 select 91304 from t1; +insert into t10 select 91305 from t1; + +insert into t10 select 91305 from t0, seq_1_to_8; + +insert into t10 select 99998 from t1; +insert into t10 select 99999 from t1; +insert into t10 select 100000 from t1; + +set use_stat_tables=preferably; +analyze table t10 persistent for all; +flush tables; + +set @tmp=@@optimizer_trace; +set optimizer_trace=1; +explain select * from t10 where a in (91303); + +--echo # Must have selectivity_from_histogram <= 1.0: +select json_detailed(json_extract(trace, '$**.selectivity_for_columns')) as sel +from information_schema.optimizer_trace; + +set optimizer_trace=@tmp; +drop table t0,t1,t10; + +set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +set histogram_size=@save_histogram_size; +set use_stat_tables= @save_use_stat_tables; + + +--echo # +--echo # End of 10.4 tests +--echo # + +--echo # +--echo # Clean up +--echo # +--source include/restore_charset.inc +set @@global.histogram_size=@save_histogram_size; diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index 3ae0e7d497e..8d44f9481b8 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -4575,6 +4575,12 @@ void subselect_uniquesubquery_engine::print(String *str, { str->append(STRING_WITH_LEN("<primary_index_lookup>(")); tab->ref.items[0]->print(str, query_type); + if (!tab->table) + { + // table is not opened so unknown + str->append(')'); + return; + } str->append(STRING_WITH_LEN(" in ")); if (tab->table->s->table_category == TABLE_CATEGORY_TEMPORARY) { |