Merge quad.opbmk:/mnt/raid/alik/MySQL/devel/5.1

into  quad.opbmk:/mnt/raid/alik/MySQL/devel/5.1-rt-merged

mysql-test/include/connect2.inc

@@ -0,0 +1,56 @@
+# include/connect2.inc
+#
+# SUMMARY
+# 
+#   Make several attempts to connect.
+#
+# USAGE
+#
+# EXAMPLE
+# 
+#   connect.test
+#
+
+--disable_query_log
+
+let $wait_counter= 300;
+if ($wait_timeout)
+{
+  let $wait_counter= `SELECT $wait_timeout * 10`;
+}
+# Reset $wait_timeout so that its value won't be used on subsequent
+# calls, and default will be used instead.
+let $wait_timeout= 0;
+
+--echo # -- Establishing connection '$con_name' (user: $con_user_name)...
+
+while ($wait_counter)
+{
+    --disable_abort_on_error
+    --disable_result_log
+    --connect ($con_name,localhost,$con_user_name)
+    --enable_result_log
+    --enable_abort_on_error
+
+    let $error = $mysql_errno;
+
+    if (!$error)
+    {
+        let $wait_counter= 0;
+    }
+    if ($error)
+    {
+        real_sleep 0.1;
+        dec $wait_counter;
+    }
+}
+if ($error)
+{
+  --echo # -- Error: can not establish connection '$con_name'.
+}
+if (!$error)
+{
+  --echo # -- Connection '$con_name' has been established.
+}
+
+--enable_query_log

mysql-test/r/connect.result

@@ -115,3 +115,106 @@ create temporary table t2(id integer not null auto_increment primary key);
 set @id := 1;
 delete from t1 where id like @id;
 drop table t1;
+# ------------------------------------------------------------------
+# -- End of 4.1 tests
+# ------------------------------------------------------------------
+
+# -- Bug#33507: Event scheduler creates more threads than max_connections
+# -- which results in user lockout.
+
+GRANT USAGE ON *.* TO mysqltest_u1@localhost;
+
+SET GLOBAL max_connections = 3;
+SET GLOBAL event_scheduler = ON;
+
+# -- Waiting for Event Scheduler to start...
+
+# -- Disconnecting default connection...
+
+# -- Check that we allow exactly three user connections, no matter how
+# -- many threads are running.
+
+# -- Connecting (1)...
+# -- Establishing connection 'con_1' (user: mysqltest_u1)...
+# -- Connection 'con_1' has been established.
+
+# -- Connecting (2)...
+# -- Establishing connection 'con_2' (user: mysqltest_u1)...
+# -- Connection 'con_2' has been established.
+
+# -- Connecting (3)...
+# -- Establishing connection 'con_3' (user: mysqltest_u1)...
+# -- Connection 'con_3' has been established.
+
+# -- Connecting (4) [should fail]...
+# -- Establishing connection 'con_4' (user: mysqltest_u1)...
+# -- Error: can not establish connection 'con_4'.
+
+# -- Check that we allow one extra SUPER-user connection.
+
+# -- Connecting super (1)...
+# -- Establishing connection 'con_super_1' (user: root)...
+# -- Connection 'con_super_1' has been established.
+
+# -- Connecting super (2) [should fail]...
+# -- Establishing connection 'con_super_2' (user: root)...
+# -- Error: can not establish connection 'con_super_2'.
+
+# -- Ensure that we have Event Scheduler thread, 3 ordinary user
+# -- connections and one extra super-user connection.
+SELECT user FROM information_schema.processlist ORDER BY id;
+user
+event_scheduler
+mysqltest_u1
+mysqltest_u1
+mysqltest_u1
+root
+
+# -- Resetting variables...
+SET GLOBAL max_connections = 151;
+
+# -- Stopping Event Scheduler...
+SET GLOBAL event_scheduler = OFF;
+
+# -- Waiting for Event Scheduler to stop...
+
+# -- That's it. Closing connections...
+
+# -- Restoring default connection...
+
+# -- Waiting for connections to close...
+
+DROP USER mysqltest_u1@localhost;
+
+# -- End of Bug#33507.
+
+# -- Bug#35074: max_used_connections is not correct. 
+
+FLUSH STATUS;
+
+SHOW STATUS LIKE 'max_used_connections';
+Variable_name	Value
+Max_used_connections	1
+
+# -- Starting Event Scheduler...
+SET GLOBAL event_scheduler = ON;
+# -- Waiting for Event Scheduler to start...
+
+# -- Opening a new connection to check max_used_connections...
+
+# -- Check that max_used_connections hasn't changed.
+SHOW STATUS LIKE 'max_used_connections';
+Variable_name	Value
+Max_used_connections	2
+
+# -- Closing new connection...
+
+# -- Stopping Event Scheduler...
+SET GLOBAL event_scheduler = OFF;
+# -- Waiting for Event Scheduler to stop...
+
+# -- End of Bug#35074.
+
+# ------------------------------------------------------------------
+# -- End of 5.1 tests
+# ------------------------------------------------------------------

mysql-test/r/flush_read_lock_kill.result

@@ -1,3 +1,4 @@
+set @old_concurrent_insert= @@global.concurrent_insert;
 set @@global.concurrent_insert= 0;
 drop table if exists t1;
 create table t1 (kill_id int);
@@ -8,3 +9,4 @@ select ((@id := kill_id) - kill_id) from t1;
 0
 kill connection @id;
 drop table t1;
+set @@global.concurrent_insert= @old_concurrent_insert;

mysql-test/r/kill.result

@@ -1,3 +1,4 @@
+set @old_concurrent_insert= @@global.concurrent_insert;
 set @@global.concurrent_insert= 0;
 drop table if exists t1, t2, t3;
 create table t1 (kill_id int);
@@ -137,3 +138,4 @@ KILL CONNECTION_ID();
 # of close of the connection socket
 SELECT 1;
 Got one of the listed errors
+set @@global.concurrent_insert= @old_concurrent_insert;

mysql-test/r/query_cache.result

@@ -1650,6 +1650,16 @@ a	(select count(*) from t2)
 3	0
 4	0
 drop table t1,t2;
+#
+# Bug#25132 disabled query cache: Qcache_free_blocks = 1
+#
+set global query_cache_size=100000;
+set global query_cache_size=0;
+set global query_cache_type=0;
+show status like 'Qcache_free_blocks';
+Variable_name	Value
+Qcache_free_blocks	0
+Restore default values.
 set GLOBAL query_cache_type=default;
 set GLOBAL query_cache_limit=default;
 set GLOBAL query_cache_min_res_unit=default;

mysql-test/r/sp_notembedded.result

@@ -1,3 +1,5 @@
+set @old_concurrent_insert= @@global.concurrent_insert;
+set @@global.concurrent_insert= 0;
 drop table if exists t1,t3;
 drop procedure if exists bug4902|
 create procedure bug4902()
@@ -17,11 +19,11 @@ begin
 show processlist;
 end|
 call bug4902_2()|
-Id	User	Host	db	Command	Time	State	Info
-#	root	localhost	test	Query	#	NULL	show processlist
+show warnings|
+Level	Code	Message
 call bug4902_2()|
-Id	User	Host	db	Command	Time	State	Info
-#	root	localhost	test	Query	#	NULL	show processlist
+show warnings|
+Level	Code	Message
 drop procedure bug4902_2|
 drop table if exists t1|
 create table t1 (
@@ -68,7 +70,7 @@ c
 2
 show status like 'Qcache_hits'|
 Variable_name	Value
-Qcache_hits	2
+Qcache_hits	0
 set global query_cache_size = @x|
 flush status|
 flush query cache|
@@ -208,3 +210,27 @@ GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
 drop user mysqltest_1@localhost;
 drop procedure 15298_1;
 drop procedure 15298_2;
+drop table if exists t1;
+drop procedure if exists p1;
+create table t1 (value varchar(15));
+create procedure p1() update t1 set value='updated' where value='old';
+call p1();
+insert into t1 (value) values ("old");
+select get_lock('b26162',120);
+get_lock('b26162',120)
+1
+select 'rl_acquirer', value from t1 where get_lock('b26162',120);;
+set session low_priority_updates=on;
+call p1();;
+select 'rl_contender', value from t1;
+rl_contender	value
+rl_contender	old
+select release_lock('b26162');
+release_lock('b26162')
+1
+rl_acquirer	value
+rl_acquirer	old
+drop procedure p1;
+drop table t1;
+set session low_priority_updates=default;
+set @@global.concurrent_insert= @old_concurrent_insert;

mysql-test/r/trigger-trans.result

@@ -140,4 +140,23 @@ select * from t3;
 c
 1
 drop table t1, t2, t3;
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=innodb;
+CREATE TABLE t2(b INT, FOREIGN KEY(b) REFERENCES t1(a)) ENGINE=innodb;
+INSERT INTO t1 VALUES (1);
+CREATE TRIGGER t1_bd BEFORE DELETE ON t1 FOR EACH ROW SET @a = 1;
+CREATE TRIGGER t1_ad AFTER DELETE ON t1 FOR EACH ROW SET @b = 1;
+SET @a = 0;
+SET @b = 0;
+TRUNCATE t1;
+SELECT @a, @b;
+@a	@b
+0	0
+INSERT INTO t1 VALUES (1);
+DELETE FROM t1;
+SELECT @a, @b;
+@a	@b
+1	1
+DROP TABLE t2, t1;
 End of 5.0 tests

mysql-test/t/connect.test

@@ -102,4 +102,192 @@ disconnect con7;
 connection default;
 drop table t1;
 
-# End of 4.1 tests
+--disconnect con1
+--disconnect con2
+--disconnect con3
+--disconnect con4
+--disconnect con5
+--disconnect con6
+--disconnect con10
+
+--echo # ------------------------------------------------------------------
+--echo # -- End of 4.1 tests
+--echo # ------------------------------------------------------------------
+
+###########################################################################
+
+--echo
+--echo # -- Bug#33507: Event scheduler creates more threads than max_connections
+--echo # -- which results in user lockout.
+
+--echo
+GRANT USAGE ON *.* TO mysqltest_u1@localhost;
+
+# NOTE: if the test case fails sporadically due to spurious connections,
+# consider disabling all users.
+
+--echo
+let $saved_max_connections = `SELECT @@global.max_connections`;
+SET GLOBAL max_connections = 3;
+SET GLOBAL event_scheduler = ON;
+
+--echo
+--echo # -- Waiting for Event Scheduler to start...
+let $wait_condition =
+  SELECT COUNT(*) = 1
+  FROM information_schema.processlist
+  WHERE user = 'event_scheduler';
+--source include/wait_condition.inc
+
+--echo
+--echo # -- Disconnecting default connection...
+--disconnect default
+
+--echo
+--echo # -- Check that we allow exactly three user connections, no matter how
+--echo # -- many threads are running.
+
+--echo 
+--echo # -- Connecting (1)...
+let $con_name = con_1;
+let $con_user_name = mysqltest_u1;
+--source include/connect2.inc
+
+--echo
+--echo # -- Connecting (2)...
+let $con_name = con_2;
+let $con_user_name = mysqltest_u1;
+--source include/connect2.inc
+
+--echo
+--echo # -- Connecting (3)...
+let $con_name = con_3;
+let $con_user_name = mysqltest_u1;
+--source include/connect2.inc
+
+--echo
+--echo # -- Connecting (4) [should fail]...
+let $con_name = con_4;
+let $con_user_name = mysqltest_u1;
+let $wait_timeout = 5;
+--source include/connect2.inc
+
+--echo
+--echo # -- Check that we allow one extra SUPER-user connection.
+
+--echo
+--echo # -- Connecting super (1)...
+let $con_name = con_super_1;
+let $con_user_name = root;
+--source include/connect2.inc
+
+--echo
+--echo # -- Connecting super (2) [should fail]...
+let $con_name = con_super_2;
+let $con_user_name = root;
+let $wait_timeout = 5;
+--source include/connect2.inc
+
+--echo
+--echo # -- Ensure that we have Event Scheduler thread, 3 ordinary user
+--echo # -- connections and one extra super-user connection.
+SELECT user FROM information_schema.processlist ORDER BY id;
+
+--echo
+--echo # -- Resetting variables...
+--eval SET GLOBAL max_connections = $saved_max_connections
+
+--echo
+--echo # -- Stopping Event Scheduler...
+SET GLOBAL event_scheduler = OFF;
+
+--echo
+--echo # -- Waiting for Event Scheduler to stop...
+let $wait_condition =
+  SELECT COUNT(*) = 0
+  FROM information_schema.processlist
+  WHERE user = 'event_scheduler';
+--source include/wait_condition.inc
+
+--echo
+--echo # -- That's it. Closing connections...
+--disconnect con_1
+--disconnect con_2
+--disconnect con_3
+--disconnect con_super_1
+
+--echo
+--echo # -- Restoring default connection...
+--connect (default,localhost,root,,test)
+
+--echo
+--echo # -- Waiting for connections to close...
+let $wait_condition =
+  SELECT COUNT(*) = 1
+  FROM information_schema.processlist
+  WHERE db = 'test';
+--source include/wait_condition.inc
+
+--echo
+DROP USER mysqltest_u1@localhost;
+
+--echo
+--echo # -- End of Bug#33507.
+--echo
+
+###########################################################################
+
+--echo # -- Bug#35074: max_used_connections is not correct. 
+--echo
+
+FLUSH STATUS;
+
+--echo
+SHOW STATUS LIKE 'max_used_connections';
+
+--echo
+--echo # -- Starting Event Scheduler...
+SET GLOBAL event_scheduler = ON;
+
+--echo # -- Waiting for Event Scheduler to start...
+let $wait_condition =
+  SELECT COUNT(*) = 1
+  FROM information_schema.processlist
+  WHERE user = 'event_scheduler';
+--source include/wait_condition.inc
+
+# NOTE: We should use a new connection here instead of reconnect in order to
+# avoid races (we can not for sure when the connection being disconnected is
+# actually disconnected on the server).
+
+--echo
+--echo # -- Opening a new connection to check max_used_connections...
+--connect (con_1,localhost,root)
+
+--echo
+--echo # -- Check that max_used_connections hasn't changed.
+SHOW STATUS LIKE 'max_used_connections';
+
+--echo
+--echo # -- Closing new connection...
+--disconnect con_1
+--connection default
+
+--echo
+--echo # -- Stopping Event Scheduler...
+SET GLOBAL event_scheduler = OFF;
+
+--echo # -- Waiting for Event Scheduler to stop...
+let $wait_condition =
+  SELECT COUNT(*) = 0
+  FROM information_schema.processlist
+  WHERE user = 'event_scheduler';
+--source include/wait_condition.inc
+
+--echo
+--echo # -- End of Bug#35074.
+--echo
+
+--echo # ------------------------------------------------------------------
+--echo # -- End of 5.1 tests
+--echo # ------------------------------------------------------------------

mysql-test/t/flush_read_lock_kill.test

@@ -14,6 +14,7 @@
 
 # Disable concurrent inserts to avoid test failures when reading the
 # connection id which was inserted into a table by another thread.
+set @old_concurrent_insert= @@global.concurrent_insert;
 set @@global.concurrent_insert= 0;
 
 connect (con1,localhost,root,,);
@@ -58,3 +59,7 @@ reap;
 
 connection con2;
 drop table t1;
+connection default;
+
+# Restore global concurrent_insert value
+set @@global.concurrent_insert= @old_concurrent_insert;

mysql-test/t/kill.test

@@ -8,6 +8,7 @@
 
 # Disable concurrent inserts to avoid test failures when reading the
 # connection id which was inserted into a table by another thread.
+set @old_concurrent_insert= @@global.concurrent_insert;
 set @@global.concurrent_insert= 0;
 
 connect (con1, localhost, root,,);
@@ -326,3 +327,9 @@ KILL CONNECTION_ID();
 --echo # of close of the connection socket
 --error 2013, 2006 
 SELECT 1;
+--connection default
+
+###########################################################################
+
+# Restore global concurrent_insert value. Keep in the end of the test file.
+set @@global.concurrent_insert= @old_concurrent_insert;

mysql-test/t/query_cache.test

@@ -1251,6 +1251,15 @@ disconnect user2;
 disconnect user3;
 
 #
+--echo #
+--echo # Bug#25132 disabled query cache: Qcache_free_blocks = 1
+--echo #
+set global query_cache_size=100000;
+set global query_cache_size=0;
+set global query_cache_type=0;
+show status like 'Qcache_free_blocks';
+
+--echo Restore default values.
 # Bug #28211 RENAME DATABASE and query cache don't play nicely together
 #
 # TODO: enable these tests when RENAME DATABASE is implemented.

mysql-test/t/sp_notembedded.test

@@ -1,7 +1,9 @@
 # Can't test with embedded server
 -- source include/not_embedded.inc
+# Disable concurrent inserts to avoid test failures
+set @old_concurrent_insert= @@global.concurrent_insert;
+set @@global.concurrent_insert= 0;
 
---sleep 2
 --disable_warnings
 drop table if exists t1,t3;
 --enable_warnings
@@ -39,10 +41,14 @@ create procedure bug4902_2()
 begin
   show processlist;
 end|
---replace_column 1 # 6 # 3 localhost
+--disable_result_log
 call bug4902_2()|
---replace_column 1 # 6 # 3 localhost
+--enable_result_log
+show warnings|
+--disable_result_log
 call bug4902_2()|
+--enable_result_log
+show warnings|
 drop procedure bug4902_2|
 
 #
@@ -268,69 +274,72 @@ drop procedure 15298_1;
 drop procedure 15298_2;
 
 #
-# Test case disabled due to Bug#34891: sp_notembedded.test fails sporadically.
+# Bug#29936 Stored Procedure DML ignores low_priority_updates setting
 #
-# #
-# # Bug#29936 Stored Procedure DML ignores low_priority_updates setting
-# #
+
+--disable_warnings
+drop table if exists t1;
+drop procedure if exists p1;
+--enable_warnings
+
+create table t1 (value varchar(15));
+create procedure p1() update t1 set value='updated' where value='old';
+
+# load the procedure into sp cache and execute once
+call p1();
+
+insert into t1 (value) values ("old");
+
+connect (rl_holder, localhost, root,,);
+connect (rl_acquirer, localhost, root,,);
+connect (rl_contender, localhost, root,,);
+connect (rl_wait, localhost, root,,);
+
+connection rl_holder;
+select get_lock('b26162',120);
+
+connection rl_acquirer;
+--send select 'rl_acquirer', value from t1 where get_lock('b26162',120);
+
+# we must wait till this select opens and locks the tables
+connection rl_wait;
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = "User lock" and
+  info = "select 'rl_acquirer', value from t1 where get_lock('b26162',120)";
+--source include/wait_condition.inc
+
+connection default;
+set session low_priority_updates=on;
+--send call p1();
+
+connection rl_wait;
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = "Locked" and
+  info = "update t1 set value='updated' where value='old'";
+--source include/wait_condition.inc
+
+connection rl_contender;
+select 'rl_contender', value from t1;
+
+connection rl_holder;
+select release_lock('b26162');
+
+connection rl_acquirer;
+--reap
+connection default;
+--reap
+
+disconnect rl_holder;
+disconnect rl_acquirer;
+disconnect rl_wait;
+drop procedure p1;
+drop table t1;
+set session low_priority_updates=default;
+
 #
-# --disable_warnings
-# drop table if exists t1;
-# drop procedure if exists p1;
-# --enable_warnings
+# Restore global concurrent_insert value. Keep in the end of the test file.
 #
-# create table t1 (value varchar(15));
-# create procedure p1() update t1 set value='updated' where value='old';
-#
-# # load the procedure into sp cache and execute once
-# call p1();
-#
-# insert into t1 (value) values ("old");
-#
-# connect (rl_holder, localhost, root,,);
-# connect (rl_acquirer, localhost, root,,);
-# connect (rl_contender, localhost, root,,);
-# connect (rl_wait, localhost, root,,);
-#
-# connection rl_holder;
-# select get_lock('b26162',120);
-#
-# connection rl_acquirer;
-# --send select 'rl_acquirer', value from t1 where get_lock('b26162',120);
-#
-# # we must wait till this select opens and locks the tables
-# connection rl_wait;
-# let $wait_condition=
-#   select count(*) = 1 from information_schema.processlist
-#   where state = "User lock" and
-#   info = "select 'rl_acquirer', value from t1 where get_lock('b26162',120)";
-# --source include/wait_condition.inc
-#
-# connection default;
-# set session low_priority_updates=on;
-# --send call p1();
-#
-# connection rl_wait;
-# let $wait_condition=
-#   select count(*) = 1 from information_schema.processlist
-#   where state = "Locked" and
-#   info = "update t1 set value='updated' where value='old'";
-# --source include/wait_condition.inc
-#
-# connection rl_contender;
-# select 'rl_contender', value from t1;
-#
-# connection rl_holder;
-# select release_lock('b26162');
-#
-# connection rl_acquirer;
-# --reap
-# connection default;
-# --reap
-#
-# disconnect rl_holder;
-# disconnect rl_acquirer;
-# disconnect rl_wait;
-# drop procedure p1;
-# drop table t1;
-# set session low_priority_updates=default;
+
+set @@global.concurrent_insert= @old_concurrent_insert;

mysql-test/t/trigger-trans.test

@@ -128,5 +128,37 @@ drop table t1, t2, t3;
 disconnect connection_update;
 disconnect connection_aux;
 
+#
+# Bug#34643: TRUNCATE crash if trigger and foreign key.
+#
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+--enable_warnings
+
+CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=innodb;
+CREATE TABLE t2(b INT, FOREIGN KEY(b) REFERENCES t1(a)) ENGINE=innodb;
+
+INSERT INTO t1 VALUES (1);
+
+CREATE TRIGGER t1_bd BEFORE DELETE ON t1 FOR EACH ROW SET @a = 1;
+CREATE TRIGGER t1_ad AFTER DELETE ON t1 FOR EACH ROW SET @b = 1;
+
+SET @a = 0;
+SET @b = 0;
+
+TRUNCATE t1;
+
+SELECT @a, @b;
+
+INSERT INTO t1 VALUES (1);
+
+DELETE FROM t1;
+
+SELECT @a, @b;
+
+DROP TABLE t2, t1;
+
 
 --echo End of 5.0 tests