Manual merge of mysql-5.1-bugteam into mysql-trunk-merge.

Conflicts: Text conflict in .bzr-mysql/default.conf Text conflict in mysql-test/suite/rpl/r/rpl_slow_query_log.result Text conflict in mysql-test/suite/rpl/t/rpl_slow_query_log.test Conflict adding files to server-tools. Created directory. Conflict because server-tools is not versioned, but has versioned children. Versioned directory. Conflict adding files to server-tools/instance-manager. Created directory. Conflict because server-tools/instance-manager is not versioned, but has versioned children. Versioned directory. Contents conflict in server-tools/instance-manager/options.cc Text conflict in sql/mysqld.cc
2025-11-05 01:43:31 +03:00 · 2010-02-09 12:59:38 +05:00
parent a93d838a12 29b7338736
commit 017c969896
37 changed files with 958 additions and 270 deletions
--- a/mysql-test/r/bug39022.result
+++ b/mysql-test/r/bug39022.result
@@ -0,0 +1,32 @@
+#
+# Bug #39022: Mysql randomly crashing in lock_sec_rec_cons_read_sees
+#
+CREATE TABLE t1(a TINYINT NOT NULL,b TINYINT,PRIMARY KEY(b)) ENGINE=innodb;
+CREATE TABLE t2(d TINYINT NOT NULL,UNIQUE KEY(d)) ENGINE=innodb;
+INSERT INTO t1 VALUES (13,0),(8,1),(9,2),(6,3),
+(11,5),(11,6),(7,7),(7,8),(4,9),(6,10),(3,11),(11,12),
+(12,13),(7,14);
+INSERT INTO t2 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
+(11),(12),(13),(14);
+# in thread1
+START TRANSACTION;
+# in thread2
+REPLACE INTO t2 VALUES (-17);
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d);
+d
+# in thread1
+REPLACE INTO t1(a,b) VALUES (67,20);
+# in thread2
+COMMIT;
+START TRANSACTION;
+REPLACE INTO t1(a,b) VALUES (65,-50);
+REPLACE INTO t2 VALUES (-91);
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d);
+# in thread1
+# should not crash
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d);
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+# in thread2
+d
+# in default
+DROP TABLE t1,t2;
--- a/mysql-test/r/group_by.result
+++ b/mysql-test/r/group_by.result
@@ -1703,3 +1703,91 @@ COUNT(i)
 1
 DROP TABLE t1;
 SET @@sql_mode = @old_sql_mode;
+#
+# Bug #45640: optimizer bug produces wrong results
+#
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (4, 40), (1, 10), (2, 20), (2, 20), (3, 30);
+# should return 4 ordered records:
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
+aa	COUNT(DISTINCT b)
+1	1
+2	1
+3	1
+4	1
+SELECT (SELECT (SELECT t1.a)) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
+aa	COUNT(DISTINCT b)
+1	1
+2	1
+3	1
+4	1
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
+aa	COUNT(DISTINCT b)
+1	1
+2	1
+3	1
+4	1
+# should return the same result in a reverse order:
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
+aa	COUNT(DISTINCT b)
+4	1
+3	1
+2	1
+1	1
+# execution plan should not use temporary table:
+EXPLAIN EXTENDED
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1276	Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
+Note	1003	select (select `test`.`t1`.`a` AS `a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by ((select `test`.`t1`.`a` AS `a`) + 0)
+EXPLAIN EXTENDED
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1276	Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
+Note	1003	select (select `test`.`t1`.`a` AS `a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by -((select `test`.`t1`.`a` AS `a`))
+# should return only one record
+SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1
+GROUP BY aa;
+aa	COUNT(DISTINCT b)
+4	4
+CREATE TABLE t2 SELECT DISTINCT a FROM t1;
+# originally reported queries (1st two columns of next two query
+# results should be same):
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
+FROM t1 GROUP BY aa, b;
+aa	b	COUNT(DISTINCT b)
+1	10	1
+2	20	1
+3	30	1
+4	40	1
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
+FROM t1 GROUP BY aa, b;
+aa	b	COUNT(         b)
+1	10	1
+2	20	2
+3	30	1
+4	40	1
+# ORDER BY for sure:
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
+FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
+aa	b	COUNT(DISTINCT b)
+4	40	1
+3	30	1
+2	20	1
+1	10	1
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
+FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
+aa	b	COUNT(         b)
+4	40	1
+3	30	1
+2	20	2
+1	10	1
+DROP TABLE t1, t2;
+#
+# End of 5.1 tests
--- a/mysql-test/r/innodb_mysql.result
+++ b/mysql-test/r/innodb_mysql.result
@@ -2273,6 +2273,14 @@ END|
 DROP PROCEDURE p1;
 DROP VIEW v1;
 DROP TABLE t1,t2;
+#
+# Bug #49324: more valgrind errors in test_if_skip_sort_order
+#
+CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb ;
+#should not cause valgrind warnings
+SELECT 1 FROM t1 JOIN t1 a USING(a) GROUP BY t1.a,t1.a;
+1
+DROP TABLE t1;
 End of 5.1 tests
 #
 # Test for bug #39932 "create table fails if column for FK is in different
--- a/mysql-test/r/no_binlog.result
+++ b/mysql-test/r/no_binlog.result
@@ -0,0 +1,2 @@
+SHOW BINARY LOGS;
+ERROR HY000: You are not using binary logging
--- a/mysql-test/r/sp_notembedded.result
+++ b/mysql-test/r/sp_notembedded.result
@@ -270,6 +270,17 @@ SELECT RELEASE_LOCK('Bug44521');
 RELEASE_LOCK('Bug44521')
 1
 DROP PROCEDURE p;
+CREATE TABLE t1(a int);
+INSERT INTO t1 VALUES (1);
+CREATE FUNCTION f1 (inp TEXT) RETURNS INT NO SQL RETURN sleep(60);
+CREATE VIEW v1 AS SELECT f1('a') FROM t1;
+SELECT * FROM v1;;
+SELECT * FROM v1;
+ERROR 70100: Query execution was interrupted
+ERROR 70100: Query execution was interrupted
+DROP VIEW v1;
+DROP TABLE t1;
+DROP FUNCTION f1;
 # ------------------------------------------------------------------
 # -- End of 5.1 tests
 # ------------------------------------------------------------------
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -4615,4 +4615,16 @@ FROM t1,t1 a
 );
 1
 DROP TABLE t1;
+#
+# Bug #45989 take 2 : memory leak after explain encounters an 
+# error in the query
+#
+CREATE TABLE t1(a LONGTEXT);
+INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet));
+INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet));
+EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
+(SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) AS d1  
+WHERE t1.a = d1.a;
+ERROR 42S22: Unknown column 'd1.a' in 'where clause'
+DROP TABLE t1;
 End of 5.1 tests.
--- a/mysql-test/suite/rpl/r/rpl_slow_query_log.result
+++ b/mysql-test/suite/rpl/r/rpl_slow_query_log.result
@@ -4,6 +4,7 @@ reset master;
 reset slave;
 drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
 start slave;
+CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT");
 include/stop_slave.inc
 SET @old_log_output= @@log_output;
 SET GLOBAL log_output= 'TABLE';
@@ -45,3 +46,46 @@ include/stop_slave.inc
 SET GLOBAL long_query_time= @old_long_query_time;
 SET GLOBAL log_output= @old_log_output;
 include/start_slave.inc
+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+SET @old_log_output= @@log_output;
+SET GLOBAL log_output= 'TABLE';
+SET GLOBAL long_query_time= 2;
+SET @old_long_query_time= @@long_query_time;
+SET SESSION long_query_time= 2;
+TRUNCATE mysql.slow_log;
+include/stop_slave.inc
+SET @old_log_output= @@log_output;
+SET GLOBAL log_output= 'TABLE';
+SET @old_long_query_time= @@long_query_time;
+SET GLOBAL long_query_time= 2;
+TRUNCATE mysql.slow_log;
+include/start_slave.inc
+CREATE TABLE t1 (a int, b int);
+********************************************************************
+**** INSERT one row that exceeds long_query_time
+**** Outcome: query ends up in both master and slave slow log
+********************************************************************
+INSERT INTO t1 values(1, sleep(3));
+### Assertion is good. Both Master and Slave exhibit the 
+### same number of queries in slow log: 1
+TRUNCATE mysql.slow_log;
+TRUNCATE mysql.slow_log;
+********************************************************************
+**** Now do inserts again, but first add an index to the table.
+**** Outcome: Note that the slave contains the same one entry (as 
+****          the master does)  whereas before the patch it did not.
+********************************************************************
+ALTER TABLE t1 ADD INDEX id1(a);
+INSERT INTO t1 values(1, sleep(3));
+### Assertion is good. Both Master and Slave exhibit the 
+### same number of queries in slow log: 1
+SET @@global.log_output= @old_log_output;
+SET @@global.long_query_time= @old_long_query_time;
+DROP TABLE t1;
+SET @@global.log_output= @old_log_output;
+SET @@global.long_query_time= @old_long_query_time;
--- a/mysql-test/suite/rpl/t/rpl_loaddata_symlink.test
+++ b/mysql-test/suite/rpl/t/rpl_loaddata_symlink.test
@@ -4,6 +4,7 @@
 # if the path of the load data file is a symbolic link.
 #
 --source include/master-slave.inc
+--source include/not_windows.inc
 --source include/have_binlog_format_statement.inc

 create table t1(a int not null auto_increment, b int, primary key(a) );
--- a/mysql-test/suite/rpl/t/rpl_slow_query_log.test
+++ b/mysql-test/suite/rpl/t/rpl_slow_query_log.test
@@ -28,6 +28,8 @@
 source include/master-slave.inc;
 source include/have_binlog_format_statement.inc;

+CALL mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT");
+

 # Prepare slave for different long_query_time we need to stop the slave 
 # and restart it as long_query_time variable is dynamic and, after 
@@ -189,3 +191,119 @@ source include/start_slave.inc;

 disconnect extra;
 disconnect extra2;
+
+#
+# BUG#50620: Adding an index to a table prevents slave from logging into slow log
+#
+
+-- source include/master-slave-reset.inc
+
+-- connection master
+SET @old_log_output= @@log_output;
+SET GLOBAL log_output= 'TABLE';
+SET GLOBAL long_query_time= 2;
+SET @old_long_query_time= @@long_query_time;
+SET SESSION long_query_time= 2;
+TRUNCATE mysql.slow_log;
+-- connection slave
+
+-- source include/stop_slave.inc
+SET @old_log_output= @@log_output;
+SET GLOBAL log_output= 'TABLE';
+SET @old_long_query_time= @@long_query_time;
+SET GLOBAL long_query_time= 2;
+TRUNCATE mysql.slow_log;
+-- source include/start_slave.inc
+
+let $slow_query= INSERT INTO t1 values(1, sleep(3));
+
+-- connection master
+CREATE TABLE t1 (a int, b int); 
+
+-- echo ********************************************************************
+-- echo **** INSERT one row that exceeds long_query_time
+-- echo **** Outcome: query ends up in both master and slave slow log
+-- echo ********************************************************************
+
+-- disable_warnings
+-- eval $slow_query
+-- enable_warnings
+
+let $master_slow_query= `SELECT count(*) = 1 FROM mysql.slow_log WHERE sql_text like '$slow_query'`;
+-- sync_slave_with_master
+let $slave_slow_query= `SELECT count(*) = 1 FROM mysql.slow_log WHERE sql_text like '$slow_query'`;
+
+if (`SELECT $master_slow_query != $slave_slow_query`)
+{
+  -- connection master
+  -- echo ***********************************************
+  -- echo ** DUMPING MASTER SLOW LOG CONTENTS 
+  -- echo ***********************************************
+  SELECT * FROM mysql.slow_log;
+
+  -- connection slave
+  -- echo ***********************************************
+  -- echo ** DUMPING SLAVE SLOW LOG CONTENTS 
+  -- echo ***********************************************
+  SELECT * FROM mysql.slow_log;
+
+  -- die "Assertion failed! Master and slave slow log contents differ. Bailing out!"
+}
+
+if (`SELECT $master_slow_query = $slave_slow_query`)
+{
+  -- echo ### Assertion is good. Both Master and Slave exhibit the 
+  -- echo ### same number of queries in slow log: $master_slow_query
+}
+
+TRUNCATE mysql.slow_log;
+-- connection master
+TRUNCATE mysql.slow_log;
+
+-- echo ********************************************************************
+-- echo **** Now do inserts again, but first add an index to the table.
+-- echo **** Outcome: Note that the slave contains the same one entry (as 
+-- echo ****          the master does)  whereas before the patch it did not.
+-- echo ********************************************************************
+
+ALTER TABLE t1 ADD INDEX id1(a);
+
+-- disable_warnings
+-- eval $slow_query
+-- enable_warnings
+
+let $master_slow_query= `SELECT count(*) = 1 FROM mysql.slow_log WHERE sql_text like '$slow_query'`;
+-- sync_slave_with_master
+let $slave_slow_query= `SELECT count(*) = 1 FROM mysql.slow_log WHERE sql_text like '$slow_query'`;
+
+if (`SELECT $master_slow_query != $slave_slow_query`)
+{
+  -- connection master
+  -- echo ***********************************************
+  -- echo ** DUMPING MASTER SLOW LOG CONTENTS 
+  -- echo ***********************************************
+  SELECT * FROM mysql.slow_log;
+
+  -- connection slave
+  -- echo ***********************************************
+  -- echo ** DUMPING SLAVE SLOW LOG CONTENTS 
+  -- echo ***********************************************
+  SELECT * FROM mysql.slow_log;
+
+  -- die "Assertion failed! Master and slave slow log contents differ. Bailing out!"
+}
+
+if (`SELECT $master_slow_query = $slave_slow_query`)
+{
+  -- echo ### Assertion is good. Both Master and Slave exhibit the 
+  -- echo ### same number of queries in slow log: $master_slow_query
+}
+
+-- connection master
+SET @@global.log_output= @old_log_output;
+SET @@global.long_query_time= @old_long_query_time;
+DROP TABLE t1;
+
+-- sync_slave_with_master
+SET @@global.log_output= @old_log_output;
+SET @@global.long_query_time= @old_long_query_time;
--- a/mysql-test/t/bug39022.test
+++ b/mysql-test/t/bug39022.test
@@ -0,0 +1,58 @@
+-- source include/have_log_bin.inc
+-- source include/have_innodb.inc
+
+--echo #
+--echo # Bug #39022: Mysql randomly crashing in lock_sec_rec_cons_read_sees
+--echo #
+
+CREATE TABLE t1(a TINYINT NOT NULL,b TINYINT,PRIMARY KEY(b)) ENGINE=innodb;
+CREATE TABLE t2(d TINYINT NOT NULL,UNIQUE KEY(d)) ENGINE=innodb;
+INSERT INTO t1 VALUES (13,0),(8,1),(9,2),(6,3),
+(11,5),(11,6),(7,7),(7,8),(4,9),(6,10),(3,11),(11,12),
+(12,13),(7,14);
+INSERT INTO t2 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
+(11),(12),(13),(14);
+
+connect (thread1, localhost, root,,);
+connect (thread2, localhost, root,,);
+
+connection thread1;
+--echo # in thread1
+START TRANSACTION;
+
+connection thread2;
+--echo # in thread2
+REPLACE INTO t2 VALUES (-17);
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d);
+
+connection thread1;
+--echo # in thread1
+REPLACE INTO t1(a,b) VALUES (67,20);
+
+connection thread2;
+--echo # in thread2
+COMMIT;
+START TRANSACTION;
+REPLACE INTO t1(a,b) VALUES (65,-50);
+REPLACE INTO t2 VALUES (-91);
+send;
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); #waits
+
+connection thread1;
+--echo # in thread1
+
+--echo # should not crash
+--error ER_LOCK_DEADLOCK
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d); #crashes
+
+connection thread2;
+--echo # in thread2
+REAP;
+
+connection default;
+--echo # in default
+
+disconnect thread1;
+disconnect thread2;
+
+DROP TABLE t1,t2;
--- a/mysql-test/t/group_by.test
+++ b/mysql-test/t/group_by.test
@@ -1158,3 +1158,53 @@ SELECT COUNT(i) FROM t1 WHERE i > 1;
 DROP TABLE t1;
 SET @@sql_mode = @old_sql_mode;

+--echo #
+--echo # Bug #45640: optimizer bug produces wrong results
+--echo #
+
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (4, 40), (1, 10), (2, 20), (2, 20), (3, 30);
+
+--echo # should return 4 ordered records:
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
+
+SELECT (SELECT (SELECT t1.a)) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
+
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
+
+--echo # should return the same result in a reverse order:
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
+
+--echo # execution plan should not use temporary table:
+EXPLAIN EXTENDED
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
+
+EXPLAIN EXTENDED
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
+
+--echo # should return only one record
+SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1
+  GROUP BY aa;
+
+CREATE TABLE t2 SELECT DISTINCT a FROM t1;
+
+--echo # originally reported queries (1st two columns of next two query
+--echo # results should be same):
+
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
+  FROM t1 GROUP BY aa, b;
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
+  FROM t1 GROUP BY aa, b;
+
+--echo # ORDER BY for sure:
+
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
+  FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
+  FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
+
+DROP TABLE t1, t2;
+
+--echo #
+
+--echo # End of 5.1 tests
--- a/mysql-test/t/innodb_mysql.test
+++ b/mysql-test/t/innodb_mysql.test
@@ -536,6 +536,16 @@ DROP PROCEDURE p1;
 DROP VIEW v1;
 DROP TABLE t1,t2;

+
+--echo #
+--echo # Bug #49324: more valgrind errors in test_if_skip_sort_order
+--echo #
+CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb ;
+--echo #should not cause valgrind warnings
+SELECT 1 FROM t1 JOIN t1 a USING(a) GROUP BY t1.a,t1.a;
+DROP TABLE t1;
+
+
 --echo End of 5.1 tests


--- a/mysql-test/t/no_binlog.test
+++ b/mysql-test/t/no_binlog.test
@@ -0,0 +1,6 @@
+-- source include/not_embedded.inc
+
+# BUG#50780: 'show binary logs' debug assertion when binary logging is disabled
+
+-- error ER_NO_BINARY_LOGGING
+SHOW BINARY LOGS;
--- a/mysql-test/t/sp_notembedded.test
+++ b/mysql-test/t/sp_notembedded.test
@@ -413,6 +413,43 @@ let $wait_condition=
 --source include/wait_condition.inc 
 DROP PROCEDURE p;

+#
+# Bug#47736 killing a select from a view when the view is processing a function, asserts
+#
+CREATE TABLE t1(a int);
+INSERT INTO t1 VALUES (1);
+CREATE FUNCTION f1 (inp TEXT) RETURNS INT NO SQL RETURN sleep(60);
+CREATE VIEW v1 AS SELECT f1('a') FROM t1;
+
+--connect (con1, localhost, root,,)
+--let $ID_1= `SELECT connection_id()`
+--send SELECT * FROM v1;
+
+--connect (con2, localhost, root,,)
+--let $ID_2= `SELECT connection_id()`
+--send SELECT * FROM v1
+
+--connection default
+--disable_query_log
+--eval KILL QUERY $ID_2
+--eval KILL QUERY $ID_1
+--enable_query_log
+
+--connection con1
+--error ER_QUERY_INTERRUPTED
+--reap
+--connection con2
+--error ER_QUERY_INTERRUPTED
+--reap
+
+--connection default
+DROP VIEW v1;
+DROP TABLE t1;
+DROP FUNCTION f1;
+--disconnect con1
+--disconnect con2
+
+
 --echo # ------------------------------------------------------------------
 --echo # -- End of 5.1 tests
 --echo # ------------------------------------------------------------------
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -3600,4 +3600,21 @@ SELECT 1 FROM t1 WHERE a <> SOME
 );
 DROP TABLE t1;

+--echo #
+--echo # Bug #45989 take 2 : memory leak after explain encounters an 
+--echo # error in the query
+--echo #
+
+CREATE TABLE t1(a LONGTEXT);
+INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet));
+INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet));
+
+--error ER_BAD_FIELD_ERROR
+EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
+(SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) AS d1  
+WHERE t1.a = d1.a;
+
+DROP TABLE t1;
+
+
 --echo End of 5.1 tests.