merge from 5.1-bt to a local tree.

mysql-test/include/rpl_events.inc

@@ -62,7 +62,9 @@ SELECT db, name, status, originator FROM mysql.event WHERE db = 'test' AND name
 DROP EVENT IF EXISTS test.slave_once;
 --enable_warnings
 
-CREATE EVENT test.slave_once ON SCHEDULE EVERY 5 MINUTE DO 
+# Create an event on slave and check its state. An event shouldn't be executed 
+# so set start time in 1 hour.
+CREATE EVENT test.slave_once ON SCHEDULE EVERY 5 MINUTE STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
   INSERT IGNORE INTO t1(id, c) VALUES (3, 'from slave_once');
 
 --echo "Checking event status on the slave for originator value = slave's server_id"
@@ -81,8 +83,11 @@ connection master;
 DROP EVENT IF EXISTS test.justonce;
 --enable_warnings
 
+# Create an event on master and check its state on slave. An event shouldn't be executed 
+# so set start time in 1 hour. Check that changes of event statement replicated to slave
+
 --echo "Creating event test.er on the master"
-CREATE EVENT test.er ON SCHEDULE EVERY 3 SECOND DO 
+CREATE EVENT test.er ON SCHEDULE EVERY 3 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
   INSERT IGNORE INTO t1(id, c) VALUES (4, 'from er');
 
 --echo "Checking event status on the master"
@@ -95,7 +100,7 @@ SELECT db, name, status, originator, body FROM mysql.event WHERE db = 'test' AND
 
 connection master;
 --echo "Altering event test.er on the master"
-ALTER EVENT test.er ON SCHEDULE EVERY 5 SECOND DO 
+ALTER EVENT test.er ON SCHEDULE EVERY 5 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
   INSERT IGNORE INTO t1(id, c) VALUES (5, 'from alter er');
 
 --echo "Checking event status on the master"
@@ -123,8 +128,11 @@ SELECT db, name, status, originator FROM mysql.event WHERE db = 'test';
 # test the DISABLE ON SLAVE for setting event SLAVESIDE_DISABLED as status
 # on CREATE EVENT
 
+# Create an event on slave and check its status. An event shouldn't be executed 
+# so set start time in 1 hour.
+
 --echo "Creating event test.slave_terminate on the slave"
-CREATE EVENT test.slave_terminate ON SCHEDULE EVERY 3 SECOND DO 
+CREATE EVENT test.slave_terminate ON SCHEDULE EVERY 3 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
   INSERT IGNORE INTO t1(id, c) VALUES (6, 'from slave_terminate');
 
 --echo "Checking event status on the slave"

mysql-test/r/myisampack.result

@@ -48,4 +48,9 @@ Table	Op	Msg_type	Msg_text
 test.t1	optimize	error	Table 'test.t1' is read only
 Warnings:
 Error	1036	Table 't1' is read only
+repair table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	error	Table 'test.t1' is read only
+Warnings:
+Error	1036	Table 't1' is read only
 drop table t1;

mysql-test/r/query_cache_notembedded.result

@@ -346,6 +346,22 @@ id
 drop table t1;
 drop function f1;
 set GLOBAL query_cache_size=0;
+DROP TABLE IF EXISTS t1;
+FLUSH STATUS;
+SET GLOBAL query_cache_size=1048576;
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
+SHOW STATUS LIKE 'Qcache_queries_in_cache';
+Variable_name	Value
+Qcache_queries_in_cache	0
+LOCK TABLES t1 WRITE;
+SELECT * FROM t1;
+UNLOCK TABLES;
+SHOW STATUS LIKE 'Qcache_queries_in_cache';
+Variable_name	Value
+Qcache_queries_in_cache	0
+DROP TABLE t1;
+SET GLOBAL query_cache_size= default;
 SET GLOBAL log_bin_trust_function_creators = 0;
 DROP DATABASE IF EXISTS bug30269;
 FLUSH STATUS;

mysql-test/suite/rpl/r/rpl_events.result

@@ -1,10 +1,11 @@
-set global event_scheduler=1;
 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_event_scheduler = @@global.event_scheduler;
+set global event_scheduler=1;
 set binlog_format=row;
 DROP EVENT IF EXISTS test.justonce;
 drop table if exists t1,t2;
@@ -34,7 +35,7 @@ db	name	status	originator
 test	justonce	SLAVESIDE_DISABLED	1
 "Dropping event test.slave_once on the slave"
 DROP EVENT IF EXISTS test.slave_once;
-CREATE EVENT test.slave_once ON SCHEDULE EVERY 5 MINUTE DO 
+CREATE EVENT test.slave_once ON SCHEDULE EVERY 5 MINUTE STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (3, 'from slave_once');
 "Checking event status on the slave for originator value = slave's server_id"
 SELECT db, name, status, originator FROM mysql.event WHERE db = 'test' AND name = 'slave_once';
@@ -45,7 +46,7 @@ DROP EVENT IF EXISTS test.slave_once;
 "Dropping event test.justonce on the master"
 DROP EVENT IF EXISTS test.justonce;
 "Creating event test.er on the master"
-CREATE EVENT test.er ON SCHEDULE EVERY 3 SECOND DO 
+CREATE EVENT test.er ON SCHEDULE EVERY 3 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (4, 'from er');
 "Checking event status on the master"
 SELECT db, name, status, originator, body FROM mysql.event WHERE db = 'test' AND name = 'er';
@@ -56,7 +57,7 @@ SELECT db, name, status, originator, body FROM mysql.event WHERE db = 'test' AND
 db	name	status	originator	body
 test	er	SLAVESIDE_DISABLED	1	INSERT IGNORE INTO t1(id, c) VALUES (4, 'from er')
 "Altering event test.er on the master"
-ALTER EVENT test.er ON SCHEDULE EVERY 5 SECOND DO 
+ALTER EVENT test.er ON SCHEDULE EVERY 5 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (5, 'from alter er');
 "Checking event status on the master"
 SELECT db, name, status, originator, body FROM mysql.event WHERE db = 'test' AND name = 'er';
@@ -75,7 +76,7 @@ db	name	status	originator
 SELECT db, name, status, originator FROM mysql.event WHERE db = 'test';
 db	name	status	originator
 "Creating event test.slave_terminate on the slave"
-CREATE EVENT test.slave_terminate ON SCHEDULE EVERY 3 SECOND DO 
+CREATE EVENT test.slave_terminate ON SCHEDULE EVERY 3 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (6, 'from slave_terminate');
 "Checking event status on the slave"
 SELECT db, name, status, originator FROM mysql.event WHERE db = 'test' AND name = 'slave_terminate';
@@ -123,7 +124,7 @@ db	name	status	originator
 test	justonce	SLAVESIDE_DISABLED	1
 "Dropping event test.slave_once on the slave"
 DROP EVENT IF EXISTS test.slave_once;
-CREATE EVENT test.slave_once ON SCHEDULE EVERY 5 MINUTE DO 
+CREATE EVENT test.slave_once ON SCHEDULE EVERY 5 MINUTE STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (3, 'from slave_once');
 "Checking event status on the slave for originator value = slave's server_id"
 SELECT db, name, status, originator FROM mysql.event WHERE db = 'test' AND name = 'slave_once';
@@ -134,7 +135,7 @@ DROP EVENT IF EXISTS test.slave_once;
 "Dropping event test.justonce on the master"
 DROP EVENT IF EXISTS test.justonce;
 "Creating event test.er on the master"
-CREATE EVENT test.er ON SCHEDULE EVERY 3 SECOND DO 
+CREATE EVENT test.er ON SCHEDULE EVERY 3 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (4, 'from er');
 "Checking event status on the master"
 SELECT db, name, status, originator, body FROM mysql.event WHERE db = 'test' AND name = 'er';
@@ -145,7 +146,7 @@ SELECT db, name, status, originator, body FROM mysql.event WHERE db = 'test' AND
 db	name	status	originator	body
 test	er	SLAVESIDE_DISABLED	1	INSERT IGNORE INTO t1(id, c) VALUES (4, 'from er')
 "Altering event test.er on the master"
-ALTER EVENT test.er ON SCHEDULE EVERY 5 SECOND DO 
+ALTER EVENT test.er ON SCHEDULE EVERY 5 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (5, 'from alter er');
 "Checking event status on the master"
 SELECT db, name, status, originator, body FROM mysql.event WHERE db = 'test' AND name = 'er';
@@ -164,7 +165,7 @@ db	name	status	originator
 SELECT db, name, status, originator FROM mysql.event WHERE db = 'test';
 db	name	status	originator
 "Creating event test.slave_terminate on the slave"
-CREATE EVENT test.slave_terminate ON SCHEDULE EVERY 3 SECOND DO 
+CREATE EVENT test.slave_terminate ON SCHEDULE EVERY 3 SECOND STARTS CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO 
 INSERT IGNORE INTO t1(id, c) VALUES (6, 'from slave_terminate');
 "Checking event status on the slave"
 SELECT db, name, status, originator FROM mysql.event WHERE db = 'test' AND name = 'slave_terminate';
@@ -190,4 +191,5 @@ select * from t28953;
 END;|
 ALTER EVENT event1 RENAME TO event2;
 DROP EVENT event2;
+SET @@global.event_scheduler= @old_event_scheduler;
 DROP TABLE t28953;

mysql-test/suite/rpl/t/rpl_events.test

@@ -5,11 +5,12 @@
 # in both row based and statement based format                   #
 ##################################################################
 
-set global event_scheduler=1;
-
 --source include/not_embedded.inc
 --source include/master-slave.inc
 
+SET @old_event_scheduler = @@global.event_scheduler;
+set global event_scheduler=1;
+
 let $engine_type= MyISAM;
 
 set binlog_format=row;
@@ -51,5 +52,6 @@ sync_slave_with_master;
 # that there is no bad timing cauing it to try to access the table.
 
 connection master;
+SET @@global.event_scheduler= @old_event_scheduler;
 DROP TABLE t28953;
 sync_slave_with_master;

mysql-test/t/myisampack.test

@@ -34,6 +34,8 @@ DROP TABLE t1;
 
 #
 # Bug#40949 Debug version of MySQL server crashes when run OPTIMIZE on compressed table.
+# expanded with testcase for
+# BUG#41574 - REPAIR TABLE: crashes for compressed tables
 #
 --disable_warnings
 drop table if exists t1;
@@ -55,4 +57,5 @@ insert into t1 select * from t1;
 flush tables;
 --exec $MYISAMPACK $MYSQLTEST_VARDIR/master-data/test/t1
 optimize table t1;
+repair table t1;
 drop table t1;

mysql-test/t/query_cache_notembedded.test

@@ -224,6 +224,38 @@ disconnect con2;
 connection default;
 
 set GLOBAL query_cache_size=0;
+
+#
+# Bug#40264: Aborted cached query causes query to hang indefinitely on next cache hit
+#
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+FLUSH STATUS;
+SET GLOBAL query_cache_size=1048576;
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
+SHOW STATUS LIKE 'Qcache_queries_in_cache';
+LOCK TABLES t1 WRITE;
+connect(con1,localhost,root,,);
+--send SELECT * FROM t1
+connection default;
+let $show_type= open tables where `table`='t1' and in_use=2;
+let $show_pattern= '%t1%2%';
+--source include/wait_show_pattern.inc
+dirty_close con1;
+UNLOCK TABLES;
+let $show_type= open tables where `table`='t1' and in_use=0;
+let $show_pattern= '%t1%0%';
+--source include/wait_show_pattern.inc
+SHOW STATUS LIKE 'Qcache_queries_in_cache';
+DROP TABLE t1;
+SET GLOBAL query_cache_size= default;
+
+# End of 5.0 tests
+
 SET GLOBAL log_bin_trust_function_creators = 0;
 
 #

sql/sql_cache.cc

@@ -781,6 +781,9 @@ void query_cache_end_of_result(THD *thd)
   if (thd->net.query_cache_query == 0)
     DBUG_VOID_RETURN;
 
+  /* Ensure that only complete results are cached. */
+  DBUG_ASSERT(thd->main_da.is_eof());
+
   if (thd->killed)
   {
     query_cache_abort(&thd->net);