Merge 5.0 -> 5.1 of fix for Bug#42003 and Bug#43114

mysql-test/include/wait_until_count_sessions.inc

@@ -2,14 +2,23 @@
 #
 # SUMMARY
 #
-#    Waits until the passed number ($count_sessions) of concurrent sessions was
-#    observed via
+#    Waits until the passed number ($count_sessions) of concurrent sessions or
+#    a smaller number was observed via
 #       SHOW STATUS LIKE 'Threads_connected'
 #    or the operation times out.
-#    Note: Starting with 5.1 we could also use
-#          SELECT COUNT(*) FROM information_schema.processlist
-#          I stay with "SHOW STATUS LIKE 'Threads_connected'" because this
-#          runs in all versions 5.0+
+#    Note:
+#    1. We wait for $current_sessions <= $count_sessions because in the use case
+#       with count_sessions.inc before and wait_until_count_sessions.inc after
+#       the core of the test it could happen that the disconnects of sessions
+#       belonging to the preceeding test are not finished.
+#       sessions at test begin($count_sessions) =  m + n
+#       sessions of the previous test which will be soon disconnected = n (n >= 0)
+#       sessions at test end ($current sessions, assuming the test disconnects
+#          all additional sessions) = m
+#    2. Starting with 5.1 we could also use
+#       SELECT COUNT(*) FROM information_schema.processlist
+#       I stay with "SHOW STATUS LIKE 'Threads_connected'" because this
+#       runs in all versions 5.0+
 #
 #
 # USAGE
@@ -19,20 +28,20 @@
 #
 #    OR typical example of a test which uses more than one session
 #       Such a test could harm successing tests if there is no server shutdown
-#       and start between.cw
+#       and start between.
 #
 #       If the testing box is slow than the disconnect of sessions belonging to
 #       the current test might happen when the successing test gets executed.
 #       This means the successing test might see activities like unexpected
 #       rows within the general log or the PROCESSLIST.
 #       Example from bug http://bugs.mysql.com/bug.php?id=40377
-#       --- bzr_mysql-6.0-rpl/.../r/log_state.result 
+#       --- bzr_mysql-6.0-rpl/.../r/log_state.result
 #       +++ bzr_mysql-6.0-rpl/.../r/log_state.reject
 #       @@ -25,6 +25,7 @@
-#        event_time user_host ... command_type	argument
-#        TIMESTAMP  USER_HOST ... Query	create table t1(f1 int)
-#        TIMESTAMP  USER_HOST ... Query	select * from mysql.general_log
-#       +TIMESTAMP  USER_HOST ... Quit	
+#        event_time user_host ... command_type argument
+#        TIMESTAMP  USER_HOST ... Query create table t1(f1 int)
+#        TIMESTAMP  USER_HOST ... Query select * from mysql.general_log
+#       +TIMESTAMP  USER_HOST ... Quit
 #       ....
 #
 #       What to do?
@@ -79,7 +88,11 @@
 #    backup.test, grant3.test
 #
 #
-# Created: 2009-01-14 mleich
+# Created:
+#    2009-01-14 mleich
+# Modified:
+#    2009-02-24 mleich Fix Bug#43114 wait_until_count_sessions too restrictive,
+#                                    random PB failures
 #
 
 let $wait_counter= 100;
@@ -93,7 +106,7 @@ let $wait_timeout= 0;
 while ($wait_counter)
 {
    let $current_sessions= query_get_value(SHOW STATUS LIKE 'Threads_connected', Value, 1);
-   let $success= `SELECT $current_sessions = $count_sessions`;
+   let $success= `SELECT $current_sessions <= $count_sessions`;
    if ($success)
    {
       let $wait_counter= 0;
@@ -107,7 +120,7 @@ while ($wait_counter)
 if (!$success)
 {
    --echo # Timeout in wait_until_count_sessions.inc
-   --echo # Number of sessions   expected: $count_sessions   found: $current_sessions
+   --echo # Number of sessions   expected: <= $count_sessions   found: $current_sessions
    SHOW PROCESSLIST;
 }
 

mysql-test/r/connect.result

@@ -188,7 +188,7 @@ DROP USER mysqltest_u1@localhost;
 
 # -- End of Bug#33507.
 
-# -- Bug#35074: max_used_connections is not correct. 
+# -- Bug#35074: max_used_connections is not correct.
 
 FLUSH STATUS;
 

mysql-test/r/consistent_snapshot.result

-drop table if exists t1;
-create table t1 (a int) engine=innodb;
-start transaction with consistent snapshot;
-insert into t1 values(1);
-select * from t1;
+DROP TABLE IF EXISTS t1;
+# Establish connection con1 (user=root)
+# Establish connection con2 (user=root)
+# Switch to connection con1
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
+# Switch to connection con2
+INSERT INTO t1 VALUES(1);
+# Switch to connection con1
+SELECT * FROM t1;
 a
-commit;
-delete from t1;
-start transaction;
-insert into t1 values(1);
-select * from t1;
+COMMIT;
+DELETE FROM t1;
+START TRANSACTION;
+# Switch to connection con2
+INSERT INTO t1 VALUES(1);
+# Switch to connection con1
+SELECT * FROM t1;
 a
 1
-commit;
-drop table t1;
+COMMIT;
+# Switch to connection default + close connections con1 and con2
+DROP TABLE t1;

mysql-test/r/dirty_close.result

-drop table if exists t1;
-create table t1 (n int);
-insert into t1 values (1),(2),(3);
-select * from t1;
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (n INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+SELECT * FROM t1;
 n
 1
 2
 3
-drop table t1;
+DROP TABLE t1;

mysql-test/r/flush_block_commit.result

-drop table if exists t1;
-create table t1 (a int) engine=innodb;
-begin;
-insert into t1 values(1);
-flush tables with read lock;
-select * from t1;
+# Establish connection con1 (user=root)
+# Establish connection con2 (user=root)
+# Establish connection con3 (user=root)
+# Switch to connection con1
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+BEGIN;
+INSERT INTO t1 VALUES(1);
+# Switch to connection con2
+FLUSH TABLES WITH READ LOCK;
+SELECT * FROM t1;
 a
-commit;
-select * from t1;
+# Switch to connection con1
+COMMIT;
+# Switch to connection con2
+SELECT * FROM t1;
 a
-unlock tables;
-begin;
-select * from t1 for update;
+UNLOCK TABLES;
+# Switch to connection con1
+# Switch to connection con1
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
 a
 1
-begin;
-select * from t1 for update;
-flush tables with read lock;
-commit;
+# Switch to connection con2
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
+# Switch to connection con3
+FLUSH TABLES WITH READ LOCK;
+# Switch to connection con1
+COMMIT;
+# Switch to connection con2
 a
 1
-unlock tables;
-commit;
-begin;
-insert into t1 values(10);
-flush tables with read lock;
-commit;
-unlock tables;
-flush tables with read lock;
-unlock tables;
-begin;
-select * from t1;
+# Switch to connection con3
+UNLOCK TABLES;
+# Switch to connection con2
+COMMIT;
+# Switch to connection con1
+BEGIN;
+INSERT INTO t1 VALUES(10);
+FLUSH TABLES WITH READ LOCK;
+COMMIT;
+UNLOCK TABLES;
+# Switch to connection con2
+FLUSH TABLES WITH READ LOCK;
+UNLOCK TABLES;
+BEGIN;
+SELECT * FROM t1;
 a
 1
 10
-show create database test;
+SHOW CREATE DATABASE test;
 Database	Create Database
 test	CREATE DATABASE `test` /*!40100 DEFAULT CHARACTER SET latin1 */
-drop table t1;
+DROP TABLE t1;
+# Switch to connection default and close connections con1, con2, con3

mysql-test/r/flush_block_commit_notembedded.result

-create table t1 (a int) engine=innodb;
-reset master;
-set autocommit=0;
-insert t1 values (1);
-flush tables with read lock;
-show master status;
+# Establish connection con1 (user=root)
+# Establish connection con2 (user=root)
+# Switch to connection con1
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+RESET MASTER;
+SET AUTOCOMMIT=0;
+INSERT t1 VALUES (1);
+# Switch to connection con2
+FLUSH TABLES WITH READ LOCK;
+SHOW MASTER STATUS;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB
 master-bin.000001	106		
-commit;
-show master status;
+# Switch to connection con1
+COMMIT;
+# Switch to connection con2
+SHOW MASTER STATUS;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB
 master-bin.000001	106		
-unlock tables;
-drop table t1;
-set autocommit=1;
+UNLOCK TABLES;
+# Switch to connection con1
+DROP TABLE t1;
+SET AUTOCOMMIT=1;
+# Switch to connection default and close connections con1 and con2

mysql-test/r/flush_read_lock_kill.result

-set @old_concurrent_insert= @@global.concurrent_insert;
-set @@global.concurrent_insert= 0;
-drop table if exists t1;
-create table t1 (kill_id int);
-insert into t1 values(connection_id());
-flush tables with read lock;
-select ((@id := kill_id) - kill_id) from t1;
+SET @old_concurrent_insert= @@global.concurrent_insert;
+SET @@global.concurrent_insert= 0;
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (kill_id INT);
+INSERT INTO t1 VALUES(connection_id());
+FLUSH TABLES WITH READ LOCK;
+SELECT ((@id := kill_id) - kill_id) FROM t1;
 ((@id := kill_id) - kill_id)
 0
-kill connection @id;
-drop table t1;
-set @@global.concurrent_insert= @old_concurrent_insert;
+KILL CONNECTION @id;
+DROP TABLE t1;
+SET @@global.concurrent_insert= @old_concurrent_insert;

mysql-test/r/lock_multi.result

@@ -51,10 +51,10 @@ Field	Type	Null	Key	Default	Extra
 a	int(11)	YES		NULL	
 unlock tables;
 drop table t1;
-use mysql;
+USE mysql;
 LOCK TABLES columns_priv WRITE, db WRITE, host WRITE, user WRITE;
 FLUSH TABLES;
-use mysql;
+USE mysql;
 SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1;
 OPTIMIZE TABLES columns_priv, db, host, user;
 Table	Op	Msg_type	Msg_text
@@ -65,7 +65,7 @@ mysql.user	optimize	status	OK
 UNLOCK TABLES;
 Select_priv
 N
-use test;
+USE test;
 use test;
 CREATE TABLE t1 (c1 int);
 LOCK TABLE t1 WRITE;
@@ -133,8 +133,8 @@ DROP TABLE t1;
 End of 5.0 tests
 create table t1 (i int);
 lock table t1 read;
-update t1 set i= 10;;
-select * from t1;;
+update t1 set i= 10;
+select * from t1;
 kill query ID;
 i
 ERROR 70100: Query execution was interrupted

mysql-test/r/mysqlbinlog.result

@@ -391,9 +391,9 @@ DELIMITER ;
 ROLLBACK /* added by mysqlbinlog */;
 /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
 CREATE TABLE t1 (c1 CHAR(10));
-flush logs;
+FLUSH LOGS;
 INSERT INTO t1 VALUES ('0123456789');
-flush logs;
+FLUSH LOGS;
 DROP TABLE t1;
 We expect this value to be 1
 The bug being tested was that 'Query' lines were not preceded by '#'
@@ -403,16 +403,16 @@ SELECT COUNT(*) AS `BUG#28293_expect_1` FROM patch WHERE a LIKE '%Query%';
 BUG#28293_expect_1
 1
 DROP TABLE patch;
-flush logs;
-create table t1(a int);
-insert into t1 values(connection_id());
-flush logs;
-drop table t1;
+FLUSH LOGS;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES(connection_id());
+FLUSH LOGS;
+DROP TABLE t1;
 1
-drop table t1;
+DROP TABLE t1;
 shell> mysqlbinlog std_data/corrupt-relay-bin.000624 > var/tmp/bug31793.sql
-flush logs;
-BUG#31611: Security risk with BINLOG statement
+FLUSH LOGS;
+Bug#31611 Security risk with BINLOG statement
 SET BINLOG_FORMAT=ROW;
 CREATE DATABASE mysqltest1;
 CREATE USER untrusted@localhost;
@@ -435,7 +435,7 @@ a	b
 1	root@localhost
 DROP DATABASE mysqltest1;
 DROP USER untrusted@localhost;
-BUG#32580: mysqlbinlog cannot read binlog event with user variables
+Bug#32580 mysqlbinlog cannot read binlog event with user variables
 USE test;
 SET BINLOG_FORMAT = STATEMENT;
 FLUSH LOGS;
@@ -460,15 +460,15 @@ an_int	1000
 a_decimal	907.79
 a_string	Just a test
 DROP TABLE t1;
-set @@global.server_id= 4294967295;
-reset master;
-flush logs;
-select
-(@a:=load_file("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
-is not null;
-(@a:=load_file("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
-is not null
+SET @@global.server_id= 4294967295;
+RESET MASTER;
+FLUSH LOGS;
+SELECT
+(@a:=LOAD_FILE("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
+IS NOT NULL;
+(@a:=LOAD_FILE("MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
+IS NOT NULL
 1
 *** Unsigned server_id 4294967295 is found: 1 ***
-set @@global.server_id= 1;
+SET @@global.server_id= 1;
 End of 5.1 tests

mysql-test/r/mysqltest.result

@@ -743,10 +743,12 @@ select 1;
 -- a comment for the server;
 mysqltest: At line 1: Found line beginning with --  that didn't contain a valid mysqltest command, check your syntax or use # if you intended to write a comment
 con1
+con2
 default
 con1
-default
-con1
+con2
 con1
+con2
+con2
 -closed_connection-
 End of tests

mysql-test/r/read_only.result

@@ -128,7 +128,7 @@ set global read_only=0;
 drop table t1,t2;
 drop user test@localhost;
 #
-# Bug #27440 read_only allows create and drop database
+# Bug#27440 read_only allows create and drop database
 #
 set global read_only= 1;
 drop database if exists mysqltest_db1;

mysql-test/r/show_check.result

@@ -545,9 +545,9 @@ mysqltest	CREATE DATABASE `mysqltest` /*!40100 DEFAULT CHARACTER SET latin1 */
 drop table mysqltest.t1;
 drop database mysqltest;
 set names binary;
-delete from mysql.user 
+delete from mysql.user
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
-delete from mysql.db   
+delete from mysql.db
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
 flush privileges;
 CREATE TABLE t1 (i int, KEY (i)) ENGINE=MEMORY;
@@ -664,7 +664,7 @@ show create table t1;
 ERROR HY000: Incorrect information in file: './test/t1.frm'
 drop table if exists t1;
 
-# Bug#12183: SHOW OPEN TABLES behavior doesn't match grammar.
+# Bug#12183 SHOW OPEN TABLES behavior doesn't match grammar.
 
 DROP DATABASE IF EXISTS mysqltest1;
 CREATE DATABASE mysqltest1;
@@ -784,7 +784,7 @@ show status like 'slow_queries';
 Variable_name	Value
 Slow_queries	1
 create table t1 (a int);
-create trigger tr1 before insert on t1 for each row 
+create trigger tr1 before insert on t1 for each row
 begin
 end;
 create view v1 as select a from t1;
@@ -1010,7 +1010,7 @@ def			TRIGGERS	DATABASE_COLLATION	Database Collation	253	96	17	N	1	0	33
 Trigger	Event	Table	Statement	Timing	Created	sql_mode	Definer	character_set_client	collation_connection	Database Collation
 t1_bi	INSERT	t1	SET @a = 1	BEFORE	NULL		root@localhost	binary	binary	latin1_swedish_ci
 ----------------------------------------------------------------
-SELECT 
+SELECT
 TRIGGER_CATALOG,
 TRIGGER_SCHEMA,
 TRIGGER_NAME,

mysql-test/r/skip_name_resolve.result

@@ -5,10 +5,10 @@ GRANT USAGE ON *.* TO 'mysqltest_1'@'127.0.0.1/255.255.255.255'
 GRANT ALL PRIVILEGES ON `test`.* TO 'mysqltest_1'@'127.0.0.1/255.255.255.255'
 REVOKE ALL ON test.* FROM mysqltest_1@'127.0.0.1/255.255.255.255';
 DROP USER mysqltest_1@'127.0.0.1/255.255.255.255';
-select user();
-user()
+SELECT USER();
+USER()
 #
-show processlist;
+SHOW PROCESSLIST;
 Id	User	Host	db	Command	Time	State	Info
 <id>	root	<host>	test	<command>	<time>	<state>	<info>
 <id>	root	<host>	test	<command>	<time>	<state>	<info>

mysql-test/r/sp-security.result

@@ -342,12 +342,12 @@ GRANT SUPER ON *.* TO mysqltest_2@localhost;
 GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 
 ---> connection: mysqltest_2_con
-use mysqltest;
+USE mysqltest;
 CREATE PROCEDURE wl2897_p1() SELECT 1;
 CREATE FUNCTION wl2897_f1() RETURNS INT RETURN 1;
 
 ---> connection: mysqltest_1_con
-use mysqltest;
+USE mysqltest;
 CREATE DEFINER=root@localhost PROCEDURE wl2897_p2() SELECT 2;
 ERROR 42000: Access denied; you need the SUPER privilege for this operation
 CREATE DEFINER=root@localhost FUNCTION wl2897_f2() RETURNS INT RETURN 2;
@@ -363,7 +363,7 @@ Warnings:
 Note	1449	The user specified as a definer ('a @ b @ c'@'localhost') does not exist
 
 ---> connection: con1root
-use mysqltest;
+USE mysqltest;
 SHOW CREATE PROCEDURE wl2897_p1;
 Procedure	sql_mode	Create Procedure	character_set_client	collation_connection	Database Collation
 wl2897_p1		CREATE DEFINER=`mysqltest_2`@`localhost` PROCEDURE `wl2897_p1`()
@@ -393,7 +393,7 @@ CREATE USER mysqltest_2@localhost;
 GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 
 ---> connection: mysqltest_1_con
-use mysqltest;
+USE mysqltest;
 CREATE PROCEDURE bug13198_p1()
 SELECT 1;
 CREATE FUNCTION bug13198_f1() RETURNS INT
@@ -406,7 +406,7 @@ bug13198_f1()
 1
 
 ---> connection: mysqltest_2_con
-use mysqltest;
+USE mysqltest;
 CALL bug13198_p1();
 1
 1
@@ -418,7 +418,7 @@ bug13198_f1()
 DROP USER mysqltest_1@localhost;
 
 ---> connection: mysqltest_2_con
-use mysqltest;
+USE mysqltest;
 CALL bug13198_p1();
 ERROR HY000: The user specified as a definer ('mysqltest_1'@'localhost') does not exist
 SELECT bug13198_f1();
@@ -435,7 +435,7 @@ Host	User	Password
 localhost	user19857	*82DC221D557298F6CE9961037DB1C90604792F5C
 
 ---> connection: mysqltest_2_con
-use test;
+USE test;
 CREATE PROCEDURE sp19857() DETERMINISTIC
 BEGIN
 DECLARE a INT;

mysql-test/r/view.result

@@ -1673,9 +1673,9 @@ INSERT INTO t2 VALUES (4,3,'n');
 INSERT INTO t2 VALUES (6,1,'n');
 INSERT INTO t2 VALUES (8,1,'y');
 CREATE VIEW v1 AS SELECT * FROM t1;
-SELECT a.col1,a.col2,b.col2,b.col3 
+SELECT a.col1,a.col2,b.col2,b.col3
 FROM t1 a LEFT JOIN t2 b ON a.col1=b.col1
-WHERE b.col2 IS NULL OR 
+WHERE b.col2 IS NULL OR
 b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
 col1	col2	col2	col3
 1	trudy	2	y
@@ -1687,9 +1687,9 @@ col1	col2	col2	col3
 7	carsten	NULL	NULL
 8	ranger	1	y
 10	matt	NULL	NULL
-SELECT a.col1,a.col2,b.col2,b.col3 
+SELECT a.col1,a.col2,b.col2,b.col3
 FROM v1 a LEFT JOIN t2 b ON a.col1=b.col1
-WHERE b.col2 IS NULL OR 
+WHERE b.col2 IS NULL OR
 b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
 col1	col2	col2	col3
 1	trudy	2	y
@@ -1743,7 +1743,7 @@ A	A
 2	2
 3	3
 create table t3 as select a a,a b from t2;
-create view v2 as select * from t3 where 
+create view v2 as select * from t3 where
 a in (select * from t1) or b in (select * from t2);
 select * from v2 A, v2 B where A.a = B.b;
 a	b	a	b
@@ -1999,7 +1999,7 @@ dkjhgd
 drop view v1;
 create table t1 (f59 int, f60 int, f61 int);
 insert into t1 values (19,41,32);
-create view v1 as select f59, f60 from t1 where f59 in  
+create view v1 as select f59, f60 from t1 where f59 in
 (select f59 from t1);
 update v1 set f60=2345;
 ERROR HY000: The target table v1 of the UPDATE is not updatable
@@ -2115,7 +2115,7 @@ pid int NOT NULL
 INSERT INTO t1 VALUES(1,'a','b'), (2,'c','d');
 INSERT INTO t2 values (1,1), (2,1), (2,2);
 CREATE VIEW v1 AS SELECT t1.*,t2.pid FROM t1,t2 WHERE t1.aid = t2.aid;
-SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2 
+SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2
 WHERE t1.aid = t2.aid GROUP BY pid;
 pid	GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1)
 1	a b,c d
@@ -2217,7 +2217,7 @@ group_name varchar(32) NOT NULL
 ) engine = InnoDB;
 create table t2 (
 r_object_id char(16) NOT NULL,
-i_position int(11) NOT NULL, 
+i_position int(11) NOT NULL,
 users_names varchar(32) default NULL
 ) Engine = InnoDB;
 create view v1 as select r_object_id, group_name from t1;
@@ -2230,7 +2230,7 @@ insert into t1 values('120001a080000542','tstgroup1');
 insert into t2 values('120001a080000542',-1, 'guser01');
 insert into t2 values('120001a080000542',-2, 'guser02');
 select v1.r_object_id, v2.users_names from v1, v2
-where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id 
+where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id
 order by users_names;
 r_object_id	users_names
 120001a080000542	guser01
@@ -2380,8 +2380,8 @@ create table t4 (x int, y int, z int);
 create view v1 as
 select t1.x
 from (
-(t1 join t2 on ((t1.y = t2.y))) 
-join 
+(t1 join t2 on ((t1.y = t2.y)))
+join
 (t3 left join t4 on (t3.y = t4.y) and (t3.z = t4.z))
 );
 prepare stmt1 from "select count(*) from v1 where x = ?";
@@ -2557,12 +2557,12 @@ Warnings:
 Warning	1052	Column 'x' in group statement is ambiguous
 DROP VIEW v1;
 DROP TABLE t1;
-drop table if exists t1; 
-drop view if exists v1; 
-create table t1 (id int); 
-create view v1 as select * from t1; 
-drop table t1; 
-show create view v1; 
+drop table if exists t1;
+drop view if exists v1;
+create table t1 (id int);
+create view v1 as select * from t1;
+drop table t1;
+show create view v1;
 drop view v1;
 //
 View	Create View	character_set_client	collation_connection
@@ -2609,7 +2609,7 @@ DROP VIEW v2;
 DROP TABLE t1, t2;
 CREATE TABLE t1 (id int NOT NULL PRIMARY KEY,
 td date DEFAULT NULL, KEY idx(td));
-INSERT INTO t1 VALUES 
+INSERT INTO t1 VALUES
 (1, '2005-01-01'), (2, '2005-01-02'), (3, '2005-01-02'),
 (4, '2005-01-03'), (5, '2005-01-04'), (6, '2005-01-05'),
 (7, '2005-01-05'), (8, '2005-01-05'), (9, '2005-01-06');
@@ -2973,10 +2973,10 @@ drop view v1;
 drop table t1;
 CREATE TABLE t1(pk int PRIMARY KEY);
 CREATE TABLE t2(pk int PRIMARY KEY, fk int, ver int, org int);
-CREATE ALGORITHM=MERGE VIEW v1 AS 
+CREATE ALGORITHM=MERGE VIEW v1 AS
 SELECT t1.*
-FROM t1 JOIN t2 
-ON t2.fk = t1.pk AND 
+FROM t1 JOIN t2
+ON t2.fk = t1.pk AND
 t2.ver = (SELECT MAX(t.ver) FROM t2 t WHERE t.org = t2.org);
 SHOW WARNINGS;
 Level	Code	Message
@@ -3306,7 +3306,7 @@ name char(10) NOT NULL
 INSERT INTO t1 (lid, name) VALUES
 (1, 'YES'), (2, 'NO');
 CREATE TABLE t2 (
-id int NOT NULL PRIMARY KEY, 
+id int NOT NULL PRIMARY KEY,
 gid int NOT NULL,
 lid int NOT NULL,
 dt date
@@ -3405,8 +3405,8 @@ CREATE TABLE t1 (id int);
 CREATE TABLE t2 (id int, c int DEFAULT 0);
 INSERT INTO t1 (id) VALUES (1);
 INSERT INTO t2 (id) VALUES (1);
-CREATE VIEW v1 AS 
-SELECT t2.c FROM t1, t2 
+CREATE VIEW v1 AS
+SELECT t2.c FROM t1, t2
 WHERE t1.id=t2.id AND 1 IN (SELECT id FROM t1) WITH CHECK OPTION;
 UPDATE v1 SET c=1;
 DROP VIEW v1;
@@ -3514,7 +3514,7 @@ role_name varchar(100) default NULL,
 app_name varchar(40) NOT NULL,
 INDEX idx_app_name(app_name)
 );
-CREATE VIEW v1 AS 
+CREATE VIEW v1 AS
 SELECT profile.person_id AS person_id
 FROM t1 profile, t2 userrole, t3 role
 WHERE userrole.person_id = profile.person_id AND
@@ -3526,7 +3526,7 @@ INSERT INTO  t1 VALUES
 (-717462680,'ENTS Ta','0'), (-904346964,'ndard SQL\n','0');
 INSERT INTO t2 VALUES
 (1,3,6),(2,4,7),(3,5,8),(4,6,9),(5,1,6),(6,1,7),(7,1,8),(8,1,9),(9,1,10);
-INSERT INTO t3 VALUES 
+INSERT INTO t3 VALUES
 (1,'NUCANS_APP_USER','NUCANSAPP'),(2,'NUCANS_TRGAPP_USER','NUCANSAPP'),
 (3,'IA_INTAKE_COORDINATOR','IACANS'),(4,'IA_SCREENER','IACANS'),
 (5,'IA_SUPERVISOR','IACANS'),(6,'IA_READONLY','IACANS'),
@@ -3552,7 +3552,7 @@ i
 2
 3
 4
-select table_name, is_updatable from information_schema.views 
+select table_name, is_updatable from information_schema.views
 where table_name = 'v1';
 table_name	is_updatable
 v1	NO
@@ -3598,8 +3598,8 @@ DROP VIEW v2;
 DROP VIEW v3;
 DROP TABLE t1;
 #
-# Bug#29477: Not all fields of the target table were checked to have
-#            a default value when inserting into a view.
+# Bug#29477 Not all fields of the target table were checked to have
+#           a default value when inserting into a view.
 #
 create table t1(f1 int, f2 int not null);
 create view v1 as select f1 from t1;
@@ -3616,7 +3616,7 @@ drop table t1;
 create table t1 (a int, key(a));
 create table t2 (c int);
 create view v1 as select a b from t1;
-create view v2 as select 1 a from t2, v1 where c in 
+create view v2 as select 1 a from t2, v1 where c in
 (select 1 from t1 where b = a);
 insert into t1 values (1), (1);
 insert into t2 values (1), (1);
@@ -3638,7 +3638,7 @@ MAX(a)	COUNT(DISTINCT a)
 DROP VIEW v1;
 DROP TABLE t1;
 # -----------------------------------------------------------------
-# -- Bug#34337: Server crash when Altering a view using a table name.
+# -- Bug#34337 Server crash when Altering a view using a table name.
 # -----------------------------------------------------------------
 
 DROP TABLE IF EXISTS t1;
@@ -3655,8 +3655,8 @@ DROP TABLE t1;
 # -- End of test case for Bug#34337.
 
 # -----------------------------------------------------------------
-# -- Bug#35193: VIEW query is rewritten without "FROM DUAL",
-# --            causing syntax error
+# -- Bug#35193 VIEW query is rewritten without "FROM DUAL",
+# --           causing syntax error
 # -----------------------------------------------------------------
 
 CREATE VIEW v1 AS SELECT 1 FROM DUAL WHERE 1;
@@ -3723,7 +3723,7 @@ DROP DATABASE `d-1`;
 USE test;
 
 #
-# Bug#26676: VIEW using old table schema in a session.
+# Bug#26676 VIEW using old table schema in a session.
 #
 
 DROP VIEW IF EXISTS v1;
@@ -3765,7 +3765,7 @@ DROP TABLE t1;
 # End of test case for Bug#26676.
 
 # -----------------------------------------------------------------
-# -- Bug#32538: View definition picks up character set, but not collation
+# -- Bug#32538 View definition picks up character set, but not collation
 # -----------------------------------------------------------------
 
 DROP VIEW IF EXISTS v1;

mysql-test/r/view_grant.result

@@ -646,7 +646,7 @@ CREATE DATABASE test2;
 CREATE TABLE test1.t0 (a VARCHAR(20));
 CREATE TABLE test2.t1 (a VARCHAR(20));
 CREATE VIEW  test2.t3 AS SELECT * FROM test1.t0;
-CREATE OR REPLACE VIEW test.v1 AS 
+CREATE OR REPLACE VIEW test.v1 AS
 SELECT ta.a AS col1, tb.a AS col2 FROM test2.t3 ta, test2.t1 tb;
 DROP VIEW test.v1;
 DROP VIEW test2.t3;
@@ -790,7 +790,7 @@ v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VI
 DROP USER u26813@localhost;
 DROP DATABASE db26813;
 #
-# Bug#29908: A user can gain additional access through the ALTER VIEW.
+# Bug#29908 A user can gain additional access through the ALTER VIEW.
 #
 CREATE DATABASE mysqltest_29908;
 USE mysqltest_29908;
@@ -1043,3 +1043,4 @@ DROP VIEW v1, v2;
 DROP DATABASE mysqltest1;
 DROP VIEW test.v3;
 DROP USER mysqluser1@localhost;
+USE test;

mysql-test/t/alter_table-big.test

@@ -9,10 +9,9 @@
 # in proper order.
 --source include/have_binlog_format_mixed_or_statement.inc
 
-
 #
-# Test for bug #25044 "ALTER TABLE ... ENABLE KEYS acquires global
-# 'opening tables' lock".
+# Test for Bug#25044 ALTER TABLE ... ENABLE KEYS acquires global
+#                    'opening tables' lock
 #
 # ALTER TABLE ... ENABLE KEYS should not acquire LOCK_open mutex for
 # the whole its duration as it prevents other queries from execution.
@@ -56,6 +55,7 @@ show binlog events in 'master-bin.000001' from 106;
 
 # Clean up
 drop tables t1, t2;
+disconnect addconroot;
 
 
 --echo End of 5.0 tests
@@ -76,6 +76,7 @@ create table t1 (i int);
 reset master;
 set session debug="+d,sleep_alter_before_main_binlog";
 --send alter table t1 change i c char(10) default 'Test1';
+connect (addconroot, localhost, root,,);
 connection addconroot;
 --sleep 2
 insert into t1 values ();
@@ -105,6 +106,7 @@ connection addconroot;
 rename table t1 to t3;
 connection default;
 --reap
+disconnect addconroot;
 drop table t3;
 set session debug="-d,sleep_alter_before_main_binlog";
 
@@ -114,3 +116,4 @@ show binlog events in 'master-bin.000001' from 106;
 
 
 --echo End of 5.1 tests
+

mysql-test/t/connect.test

@@ -9,11 +9,14 @@
 # of the log tables (which are CSV-based). By connect mysql; show tables;
 --source include/have_csv.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+
 --disable_warnings
 drop table if exists t1,t2;
 --enable_warnings
 
-
 #connect (con1,localhost,root,,"");
 #show tables;
 connect (con1,localhost,root,,mysql);
@@ -22,12 +25,16 @@ connect (con2,localhost,root,,test);
 show tables;
 
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,root,z,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,root,z,);
 
+connection default;
+disconnect con1;
+disconnect con2;
+
 grant ALL on *.* to test@localhost identified by "gambling";
 grant ALL on *.* to test@127.0.0.1 identified by "gambling";
 
@@ -39,20 +46,23 @@ show tables;
 connect (con4,localhost,test,gambling,test);
 show tables;
 
+connection default;
+disconnect con3;
+disconnect con4;
+
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,"");
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,);
 
-
 # check if old password version also works
 update mysql.user set password=old_password("gambling2") where user=_binary"test";
 flush privileges;
@@ -61,55 +71,57 @@ connect (con10,localhost,test,gambling2,);
 connect (con5,localhost,test,gambling2,mysql);
 connection con5;
 set password="";
---error 1372
+--error ER_PASSWD_LENGTH
 set password='gambling3';
 set password=old_password('gambling3');
 show tables;
 connect (con6,localhost,test,gambling3,test);
 show tables;
 
+connection default;
+disconnect con10;
+disconnect con5;
+disconnect con6;
+
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,,);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,test2);
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
---error 1045
+--error ER_ACCESS_DENIED_ERROR
 connect (fail_con,localhost,test,zorro,);
 
 
 # remove user 'test' so that other tests which may use 'test'
 # do not depend on this test.
-
 delete from mysql.user where user=_binary"test";
 flush privileges;
 
 #
-# Bug#12517: Clear user variables and replication events before 
-#            closing temp tables in thread cleanup.
+# Bug#12517 Clear user variables and replication events before
+#           closing temp tables in thread cleanup.
 connect (con7,localhost,root,,test);
 connection con7;
+let $connection_id= `select connection_id()`;
 create table t1 (id integer not null auto_increment primary key);
 create temporary table t2(id integer not null auto_increment primary key);
 set @id := 1;
 delete from t1 where id like @id;
-disconnect con7;
---sleep 5
 connection default;
+disconnect con7;
+# Wait till the session con7 is disconnected
+let $wait_condition =
+  SELECT COUNT(*) = 0
+  FROM information_schema.processlist
+  WHERE  id = '$connection_id';
+--source include/wait_condition.inc
 drop table t1;
 
---disconnect con1
---disconnect con2
---disconnect con3
---disconnect con4
---disconnect con5
---disconnect con6
---disconnect con10
-
 --echo # ------------------------------------------------------------------
 --echo # -- End of 4.1 tests
 --echo # ------------------------------------------------------------------
@@ -147,7 +159,7 @@ let $wait_condition =
 --echo # -- Check that we allow exactly three user connections, no matter how
 --echo # -- many threads are running.
 
---echo 
+--echo
 --echo # -- Connecting (1)...
 let $con_name = con_1;
 let $con_user_name = mysqltest_u1;
@@ -237,7 +249,7 @@ DROP USER mysqltest_u1@localhost;
 
 ###########################################################################
 
---echo # -- Bug#35074: max_used_connections is not correct. 
+--echo # -- Bug#35074: max_used_connections is not correct.
 --echo
 
 FLUSH STATUS;
@@ -250,11 +262,7 @@ SHOW STATUS LIKE 'max_used_connections';
 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
+--source include/running_event_scheduler.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
@@ -278,11 +286,7 @@ SHOW STATUS LIKE 'max_used_connections';
 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
+--source include/no_running_events.inc
 
 --echo
 --echo # -- End of Bug#35074.
@@ -291,3 +295,7 @@ let $wait_condition =
 --echo # ------------------------------------------------------------------
 --echo # -- End of 5.1 tests
 --echo # ------------------------------------------------------------------
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/consistent_snapshot.test

--- source include/have_innodb.inc
+--source include/have_innodb.inc
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
 
+--echo # Establish connection con1 (user=root)
 connect (con1,localhost,root,,);
+--echo # Establish connection con2 (user=root)
 connect (con2,localhost,root,,);
 
 ### Test 1:
 ### - While a consistent snapshot transaction is executed,
 ###   no external inserts should be visible to the transaction.
 
+--echo # Switch to connection con1
 connection con1;
-create table t1 (a int) engine=innodb;
-start transaction with consistent snapshot;
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
 
+--echo # Switch to connection con2
 connection con2;
-insert into t1 values(1);
+INSERT INTO t1 VALUES(1);
 
+--echo # Switch to connection con1
 connection con1;
-select * from t1; # if consistent snapshot was set as expected, we
+SELECT * FROM t1; # if consistent snapshot was set as expected, we
 # should see nothing.
-commit;
+COMMIT;
 
 ### Test 2:
 ### - For any non-consistent snapshot transaction, external
 ###   committed inserts should be visible to the transaction.
 
-delete from t1;
-start transaction; # Now we omit WITH CONSISTENT SNAPSHOT
+DELETE FROM t1;
+START TRANSACTION; # Now we omit WITH CONSISTENT SNAPSHOT
 
+--echo # Switch to connection con2
 connection con2;
-insert into t1 values(1);
+INSERT INTO t1 VALUES(1);
 
+--echo # Switch to connection con1
 connection con1;
-select * from t1; # if consistent snapshot was not set, as expected, we
+SELECT * FROM t1; # if consistent snapshot was not set, as expected, we
 # should see 1.
-commit;
+COMMIT;
 
-drop table t1;
+--echo # Switch to connection default + close connections con1 and con2
+connection default;
+disconnect con1;
+disconnect con2;
+DROP TABLE t1;
 
 # End of 4.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/dirty_close.test

+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (con1,localhost,root,,);
 connect (con2,localhost,root,,);
 connection con1;
@@ -5,12 +9,19 @@ dirty_close con1;
 connection con2;
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
 
-create table t1 (n int);
-insert into t1 values (1),(2),(3);
-select * from t1;
-drop table t1;
+CREATE TABLE t1 (n INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+SELECT * FROM t1;
+DROP TABLE t1;
+
+connection default;
+disconnect con2;
 
 # End of 4.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/flush_block_commit.test

@@ -4,74 +4,106 @@
 # This is intended to mimick how mysqldump and innobackup work.
 
 # And it requires InnoDB
--- source include/have_innodb.inc
+--source include/have_innodb.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+--echo # Establish connection con1 (user=root)
 connect (con1,localhost,root,,);
+--echo # Establish connection con2 (user=root)
 connect (con2,localhost,root,,);
+--echo # Establish connection con3 (user=root)
 connect (con3,localhost,root,,);
+--echo # Switch to connection con1
 connection con1;
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
-create table t1 (a int) engine=innodb;
+CREATE TABLE t1 (a INT) ENGINE=innodb;
 
 # blocks COMMIT ?
 
-begin;
-insert into t1 values(1);
+BEGIN;
+INSERT INTO t1 VALUES(1);
+--echo # Switch to connection con2
 connection con2;
-flush tables with read lock;
-select * from t1;
+FLUSH TABLES WITH READ LOCK;
+SELECT * FROM t1;
+--echo # Switch to connection con1
 connection con1;
-send commit; # blocked by con2
+send COMMIT; # blocked by con2
 sleep 1;
+--echo # Switch to connection con2
 connection con2;
-select * from t1; # verify con1 was blocked and data did not move
-unlock tables;
+SELECT * FROM t1; # verify con1 was blocked and data did not move
+UNLOCK TABLES;
+--echo # Switch to connection con1
 connection con1;
 reap;
 
 # No deadlock ?
 
+--echo # Switch to connection con1
 connection con1;
-begin;
-select * from t1 for update;
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
+--echo # Switch to connection con2
 connection con2;
-begin;
-send select * from t1 for update; # blocked by con1
+BEGIN;
+send SELECT * FROM t1 FOR UPDATE; # blocked by con1
 sleep 1;
+--echo # Switch to connection con3
 connection con3;
-send flush tables with read lock; # blocked by con2
+send FLUSH TABLES WITH READ LOCK; # blocked by con2
+--echo # Switch to connection con1
 connection con1;
-commit; # should not be blocked by con3
+COMMIT; # should not be blocked by con3
+--echo # Switch to connection con2
 connection con2;
 reap;
+--echo # Switch to connection con3
 connection con3;
 reap;
-unlock tables;
+UNLOCK TABLES;
 
-# BUG#6732 FLUSH TABLES WITH READ LOCK + COMMIT hangs later FLUSH TABLES
-# WITH READ LOCK
+# Bug#6732 FLUSH TABLES WITH READ LOCK + COMMIT hangs later FLUSH TABLES
+#          WITH READ LOCK
 
+--echo # Switch to connection con2
 connection con2;
-commit; # unlock InnoDB row locks to allow insertions
+COMMIT; # unlock InnoDB row locks to allow insertions
+--echo # Switch to connection con1
 connection con1;
-begin;
-insert into t1 values(10);
-flush tables with read lock;
-commit;
-unlock tables;
+BEGIN;
+INSERT INTO t1 VALUES(10);
+FLUSH TABLES WITH READ LOCK;
+COMMIT;
+UNLOCK TABLES;
+--echo # Switch to connection con2
 connection con2;
-flush tables with read lock; # bug caused hang here
-unlock tables;
+FLUSH TABLES WITH READ LOCK; # bug caused hang here
+UNLOCK TABLES;
+
+# Bug#7358 SHOW CREATE DATABASE fails if open transaction
+
+BEGIN;
+SELECT * FROM t1;
+SHOW CREATE DATABASE test;
 
-# BUG#7358 SHOW CREATE DATABASE fails if open transaction
+DROP TABLE t1;
 
-begin;
-select * from t1;
-show create database test;
 
-drop table t1;
+# Cleanup
+--echo # Switch to connection default and close connections con1, con2, con3
+connection default;
+disconnect con1;
+disconnect con2;
+disconnect con3;
 
 # End of 4.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/flush_block_commit_notembedded.test

@@ -3,32 +3,51 @@
 # We verify that we did not introduce a deadlock.
 # This is intended to mimick how mysqldump and innobackup work.
 
--- source include/have_log_bin.inc
+--source include/have_log_bin.inc
 
 # And it requires InnoDB
--- source include/have_log_bin.inc
--- source include/have_innodb.inc
+--source include/have_log_bin.inc
+--source include/have_innodb.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+
+--echo # Establish connection con1 (user=root)
 connect (con1,localhost,root,,);
+--echo # Establish connection con2 (user=root)
 connect (con2,localhost,root,,);
 
 # FLUSH TABLES WITH READ LOCK should block writes to binlog too
+--echo # Switch to connection con1
 connection con1;
-create table t1 (a int) engine=innodb;
-reset master;
-set autocommit=0;
-insert t1 values (1);
+CREATE TABLE t1 (a INT) ENGINE=innodb;
+RESET MASTER;
+SET AUTOCOMMIT=0;
+INSERT t1 VALUES (1);
+--echo # Switch to connection con2
 connection con2;
-flush tables with read lock;
-show master status;
+FLUSH TABLES WITH READ LOCK;
+SHOW MASTER STATUS;
+--echo # Switch to connection con1
 connection con1;
-send commit;
+send COMMIT;
+--echo # Switch to connection con2
 connection con2;
 sleep 1;
-show master status;
-unlock tables;
+SHOW MASTER STATUS;
+UNLOCK TABLES;
+--echo # Switch to connection con1
 connection con1;
 reap;
-drop table t1;
-set autocommit=1;
+DROP TABLE t1;
+SET AUTOCOMMIT=1;
+
+--echo # Switch to connection default and close connections con1 and con2
+connection default;
+disconnect con1;
+disconnect con2;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
 

mysql-test/t/flush_read_lock_kill.test

@@ -8,24 +8,27 @@
 # won't test anything interesting).
 
 # This also won't work with the embedded server test
--- source include/not_embedded.inc
+--source include/not_embedded.inc
 
--- source include/have_debug.inc
+--source include/have_debug.inc
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
 
 # 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;
+SET @old_concurrent_insert= @@global.concurrent_insert;
+SET @@global.concurrent_insert= 0;
 
 connect (con1,localhost,root,,);
 connect (con2,localhost,root,,);
 connection con1;
 
 --disable_warnings
-drop table if exists t1;
+DROP TABLE IF EXISTS t1;
 --enable_warnings
-create table t1 (kill_id int);
-insert into t1 values(connection_id());
+CREATE TABLE t1 (kill_id INT);
+INSERT INTO t1 VALUES(connection_id());
 
 # Thanks to the parameter we passed to --debug, this FLUSH will
 # block on a debug build running with our --debug=make_global... It
@@ -33,11 +36,11 @@ insert into t1 values(connection_id());
 # --debug) it will succeed immediately
 
 connection con1;
-send flush tables with read lock;
+send FLUSH TABLES WITH READ LOCK;
 
 # kill con1
 connection con2;
-select ((@id := kill_id) - kill_id) from t1; 
+SELECT ((@id := kill_id) - kill_id) FROM t1;
 
 # Wait for the debug sync point, test won't run on non-debug
 # builds anyway.
@@ -47,7 +50,7 @@ let $wait_condition=
   and info = "flush tables with read lock";
 --source include/wait_condition.inc
 
-kill connection @id;
+KILL CONNECTION @id;
 
 connection con1;
 # On debug builds it will be error 1053 (killed); on non-debug, or
@@ -58,8 +61,14 @@ connection con1;
 reap;
 
 connection con2;
-drop table t1;
+DROP TABLE t1;
+
 connection default;
+disconnect con2;
 
 # Restore global concurrent_insert value
-set @@global.concurrent_insert= @old_concurrent_insert;
+SET @@global.concurrent_insert= @old_concurrent_insert;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/init_connect.test

@@ -5,6 +5,9 @@
 # should work with embedded server after mysqltest is fixed
 --source include/not_embedded.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --source include/add_anonymous_users.inc
 
 connect (con0,localhost,root,,);
@@ -233,7 +236,8 @@ connect (con1,localhost,mysqltest1,,);
 connection con1;
 select * from t1;
 
-connection con0;
+connection default;
+disconnect con0;
 disconnect con1;
 
 drop trigger trg1;
@@ -244,3 +248,7 @@ set global init_connect="set @a='a\\0c'";
 revoke all privileges, grant option from mysqltest1@localhost;
 drop user mysqltest1@localhost;
 drop table t1, t2;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/mysqlbinlog.test

@@ -24,7 +24,7 @@ insert into t2 values ();
 # set @a:=1
 # insert into t2 values (@a);
 
-# test for load data and load data distributed among the several 
+# test for load data and load data distributed among the several
 # files (we need to fill up first binlog)
 load data infile '../../std_data/words.dat' into table t1;
 load data infile '../../std_data/words.dat' into table t1;
@@ -109,7 +109,7 @@ select "--- --position --" as "";
 --replace_regex /SQL_LOAD_MB-[0-9]-[0-9]/SQL_LOAD_MB-#-#/
 --exec $MYSQL_BINLOG --short-form --local-load=$MYSQLTEST_VARDIR/tmp/ --read-from-remote-server --position=239 --user=root --host=127.0.0.1 --port=$MASTER_MYPORT master-bin.000002
 
-# Bug#7853 (mysqlbinlog does not accept input from stdin)
+# Bug#7853 mysqlbinlog does not accept input from stdin
 --disable_query_log
 select "--- reading stdin --" as "";
 --enable_query_log
@@ -123,7 +123,7 @@ select "--- reading stdin --" as "";
 drop table t1,t2;
 
 #
-#BUG#14157: utf8 encoding in binlog without set character_set_client
+# Bug#14157 utf8 encoding in binlog without set character_set_client
 #
 flush logs;
 --write_file $MYSQLTEST_VARDIR/tmp/bug14157.sql
@@ -136,8 +136,8 @@ EOF
 --exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug14157.sql
 --remove_file $MYSQLTEST_VARDIR/tmp/bug14157.sql
 
-# resulted binlog, parly consisting of multi-byte utf8 chars, 
-# must be digestable for both client and server. In 4.1 the client 
+# resulted binlog, parly consisting of multi-byte utf8 chars,
+# must be digestable for both client and server. In 4.1 the client
 # should use default-character-set same as the server.
 flush logs;
 --exec $MYSQL_BINLOG --short-form $MYSQLD_DATADIR/master-bin.000004 | $MYSQL
@@ -164,7 +164,7 @@ select * from t5 order by c1;
 drop table t5;
 
 #
-# Bug#20396 Bin Log does not get DELIMETER cmd - Recover StoredProc fails 
+# Bug#20396 Bin Log does not get DELIMETER cmd - Recover StoredProc fails
 #
 --disable_warnings
 drop procedure if exists p1;
@@ -180,7 +180,7 @@ delimiter ;//
 flush logs;
 call p1();
 drop procedure p1;
---error ER_SP_DOES_NOT_EXIST 
+--error ER_SP_DOES_NOT_EXIST
 call p1();
 --replace_regex /SQL_LOAD_MB-[0-9]-[0-9]/SQL_LOAD_MB-#-#/
 --exec $MYSQL_BINLOG --short-form $MYSQLD_DATADIR/master-bin.000008
@@ -223,14 +223,14 @@ flush logs;
 
 #
 # Bug#28293 missed '#' sign in the hex dump when the dump length
-# is divisible by 16.
+#           is divisible by 16.
 #
 
 CREATE TABLE t1 (c1 CHAR(10));
 # we need this for getting fixed timestamps inside of this test
-flush logs;
+FLUSH LOGS;
 INSERT INTO t1 VALUES ('0123456789');
-flush logs;
+FLUSH LOGS;
 DROP TABLE t1;
 
 # We create a table, patch, and load the output into it
@@ -238,11 +238,11 @@ DROP TABLE t1;
 # We can easily see if a 'Query' line is missing the '#' character
 # as described in the original bug
 
---disable_query_log 
-CREATE TABLE patch (a blob);
+--disable_query_log
+CREATE TABLE patch (a BLOB);
 --exec $MYSQL_BINLOG --hexdump --local-load=$MYSQLTEST_VARDIR/tmp/ $MYSQLD_DATADIR/master-bin.000012 > $MYSQLTEST_VARDIR/tmp/mysqlbinlog_tmp.dat
 eval LOAD DATA LOCAL INFILE '$MYSQLTEST_VARDIR/tmp/mysqlbinlog_tmp.dat'
-     INTO TABLE patch FIELDS TERMINATED by '' LINES STARTING BY '#';
+     INTO TABLE patch FIELDS TERMINATED BY '' LINES STARTING BY '#';
 --remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_tmp.dat
 --enable_query_log
 
@@ -254,40 +254,42 @@ SELECT COUNT(*) AS `BUG#28293_expect_1` FROM patch WHERE a LIKE '%Query%';
 DROP TABLE patch;
 
 #
-# Bug #29928: incorrect connection_id() restoring from mysqlbinlog out
+# Bug#29928 incorrect connection_id() restoring from mysqlbinlog out
 #
-flush logs;
-create table t1(a int);
-insert into t1 values(connection_id()); 
-let $a= `select a from t1`;
-flush logs;
---exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000014 > $MYSQLTEST_VARDIR/tmp/bug29928.sql
-drop table t1;
-connect (con1, localhost, root, , test);                                            
+FLUSH LOGS;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES(connection_id());
+let $a= `SELECT a FROM t1`;
+FLUSH LOGS;
+let $outfile= $MYSQLTEST_VARDIR/tmp/bug29928.sql;
+--exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000014 > $outfile
+DROP TABLE t1;
+connect (con1, localhost, root, , test);
 connection con1;
---exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug29928.sql
---remove_file $MYSQLTEST_VARDIR/tmp/bug29928.sql
-let $b= `select a from t1`;
+--exec $MYSQL test < $outfile
+--remove_file $outfile
+let $b= `SELECT a FROM t1`;
 disconnect con1;
 connection default;
-let $c= `select $a=$b`;
+let $c= `SELECT $a=$b`;
 --echo $c
-drop table t1;
+DROP TABLE t1;
 
 echo shell> mysqlbinlog std_data/corrupt-relay-bin.000624 > var/tmp/bug31793.sql;
 error 1;
 exec $MYSQL_BINLOG $MYSQL_TEST_DIR/std_data/corrupt-relay-bin.000624 > $MYSQLTEST_VARDIR/tmp/bug31793.sql;
+--remove_file $MYSQLTEST_VARDIR/tmp/bug31793.sql
 
 
 #
 # Test --disable-force-if-open and --force-if-open
 #
-flush logs;
+FLUSH LOGS;
 --error 1
 --exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000016 >/dev/null 2>/dev/null
 --exec $MYSQL_BINLOG --force-if-open $MYSQLD_DATADIR/master-bin.000016 >/dev/null 2>/dev/null
 
---echo BUG#31611: Security risk with BINLOG statement
+--echo Bug#31611 Security risk with BINLOG statement
 
 SET BINLOG_FORMAT=ROW;
 CREATE DATABASE mysqltest1;
@@ -306,6 +308,7 @@ connect (unsecure,localhost,untrusted,,mysqltest1);
 echo mysql mysqltest1 -uuntrusted < var/tmp/bug31611.sql;
 error 1;
 exec $MYSQL mysqltest1 -uuntrusted < $MYSQLTEST_VARDIR/tmp/bug31611.sql;
+--remove_file $MYSQLTEST_VARDIR/tmp/bug31611.sql
 connection unsecure;
 error ER_TABLEACCESS_DENIED_ERROR;
 INSERT INTO t1 VALUES (1,USER());
@@ -315,7 +318,7 @@ connection default;
 DROP DATABASE mysqltest1;
 DROP USER untrusted@localhost;
 
---echo BUG#32580: mysqlbinlog cannot read binlog event with user variables
+--echo Bug#32580 mysqlbinlog cannot read binlog event with user variables
 
 # Testing that various kinds of events can be read and restored properly.
 
@@ -343,24 +346,25 @@ query_vertical SELECT * FROM t1;
 DROP TABLE t1;
 
 #
-# Bug #37313  	BINLOG Contains Incorrect server id
+# Bug#37313 BINLOG Contains Incorrect server id
 #
 
-let $save_server_id= `select @@global.server_id`;
-let $s_id_max=`select (1 << 32) - 1`;
-eval set @@global.server_id= $s_id_max;
+let $binlog_file=  $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog;
+let $save_server_id= `SELECT @@global.server_id`;
+let $s_id_max= `SELECT (1 << 32) - 1`;
+eval SET @@global.server_id= $s_id_max;
 
-reset master;
-flush logs;
---exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000001 > $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog
+RESET MASTER;
+FLUSH LOGS;
+--exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000001 > $binlog_file
 --replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
-eval select
-(@a:=load_file("$MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog"))
-is not null;
-let $s_id_unsigned= `select @a like "%server id $s_id_max%" /* must return 1 */`;
+eval SELECT
+(@a:=LOAD_FILE("$binlog_file"))
+IS NOT NULL;
+let $s_id_unsigned= `SELECT @a LIKE "%server id $s_id_max%" /* must return 1 */`;
 echo *** Unsigned server_id $s_id_max is found: $s_id_unsigned ***;
 
-eval set @@global.server_id= $save_server_id;
---remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_bug37313.binlog
+eval SET @@global.server_id= $save_server_id;
+--remove_file $binlog_file
 
 --echo End of 5.1 tests

mysql-test/t/mysqltest.test

@@ -6,6 +6,9 @@
 # This test uses chmod, can't be run with root permissions
 -- source include/not_as_root.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 # ============================================================================
 #
 # Test of mysqltest itself
@@ -50,7 +53,7 @@ select otto from (select 1 as otto) as t1;
 
 # ----------------------------------------------------------------------------
 # Negative case(statement):
-# The derived table t1 does not contain a column named 'friedrich' . 
+# The derived table t1 does not contain a column named 'friedrich' .
 # --> ERROR 42S22: Unknown column 'friedrich' in 'field list and
 # --> 1054: Unknown column 'friedrich' in 'field list'
 # ----------------------------------------------------------------------------
@@ -121,7 +124,7 @@ select friedrich from (select 1 as otto) as t1;
 # $mysql_errno is a builtin variable of mysqltest and contains the return code
 # of the last command sent to the server.
 #
-#      The following test cases often initialize $mysql_errno to 1064 by 
+#      The following test cases often initialize $mysql_errno to 1064 by
 #      a command with wrong syntax.
 #      Example: --error 1064      To prevent the abort after the error.
 #               garbage ;
@@ -485,7 +488,7 @@ remove_file $MYSQLTEST_VARDIR/tmp/mysqltest.sql;
 
 # Allow trailing # comment
 --sleep 1 # Wait for insert delayed to be executed.
---sleep 1 	 # Wait for insert delayed to be executed.
+--sleep 1        # Wait for insert delayed to be executed.
 
 # ----------------------------------------------------------------------------
 # Test error
@@ -707,7 +710,7 @@ echo Not a banana: $cat;
 --error 1
 --exec echo "let hi;" | $MYSQL_TEST  2>&1
 
-# More advanced test for bug#17280
+# More advanced test for Bug#17280
 let $success= 1;
 --echo # Execute: --echo # <whatever> success: \$success
 --echo # <whatever> success: $success
@@ -1386,12 +1389,12 @@ connection default;
 
 
 # ----------------------------------------------------------------------------
-# TODO Test queries, especially their errormessages... so it's easy to debug 
+# TODO Test queries, especially their errormessages... so it's easy to debug
 # new scripts and diagnose errors
 # ----------------------------------------------------------------------------
 
 # ----------------------------------------------------------------------------
-# Test bug#12386
+# Test Bug#12386
 # ----------------------------------------------------------------------------
 let $num= 2;
 while ($num)
@@ -1407,7 +1410,7 @@ SELECT 1 as a;
 
 
 #
-# Bug #10251: Identifiers containing quotes not handled correctly
+# Bug#10251 Identifiers containing quotes not handled correctly
 #
 select 1 as `a'b`, 2 as `a"b`;
 
@@ -1428,7 +1431,7 @@ let $message= `SELECT USER()`;
 
 # The message contains more then 80 characters on multiple lines
 # and is kept between double quotes.
-let $message= 
+let $message=
 "Here comes a very very long message that
     - is longer then 80 characters    and
     - consists of several lines";
@@ -1465,6 +1468,8 @@ remove_file $MYSQLTEST_VARDIR/tmp/zero_length_file.result;
 --error 0,1
 remove_file $MYSQLTEST_VARDIR/tmp/zero_length_file.reject;
 --error 0,1
+remove_file $MYSQLTEST_VARDIR/tmp/zero_length_file.log;
+--error 0,1
 remove_file $MYSQL_TEST_DIR/r/zero_length_file.reject;
 
 #
@@ -1487,8 +1492,8 @@ remove_file $MYSQLTEST_VARDIR/tmp/query.sql;
 #--exec $MYSQL_TEST -x $MYSQLTEST_VARDIR/tmp/query.sql -R $MYSQLTEST_VARDIR/tmp/result_file.result 2>&1
 
 #
-# Bug #11731 mysqltest in multi-statement queries ignores errors in
-#            non-1st queries
+# Bug#11731 mysqltest in multi-statement queries ignores errors in
+#           non-1st queries
 #
 
 echo Failing multi statement query;
@@ -1539,7 +1544,7 @@ remove_file $MYSQLTEST_VARDIR/log/bug11731.log;
 remove_file $MYSQLTEST_VARDIR/tmp/bug11731.sql;
 
 #
-# Bug#19890  	mysqltest: "query" command is broken
+# Bug#19890 mysqltest "query" command is broken
 #
 
 # It should be possible to use the command "query" to force mysqltest to
@@ -1565,7 +1570,7 @@ select "at" as col1, "c" as col2;
 select "at" as col1, "AT" as col2, "c" as col3;
 
 --replace_regex /a/b/ /ct/d/
-select "a" as col1, "ct" as col2; 
+select "a" as col1, "ct" as col2;
 
 --replace_regex /(strawberry)/raspberry and \1/ /blueberry/blackberry/ /potato/tomato/;
 select "strawberry","blueberry","potato";
@@ -1583,7 +1588,7 @@ select "strawberry","blueberry","potato";
 --error 1
 --exec echo "--replace_regex /a b c" | $MYSQL_TEST 2>&1
 --error 1
---exec echo "replace_regex /a /b c ;" | $MYSQL_TEST 2>&1 
+--exec echo "replace_regex /a /b c ;" | $MYSQL_TEST 2>&1
 
 # REQUIREMENT
 #   replace_regex should replace substitutions from left to right in output
@@ -1954,7 +1959,7 @@ SELECT '2' as "my_col1",2 as "my_col2"
 UNION
 SELECT '1',1 from t2;
 
-# 9. Ensure that several result formatting options including "sorted_result" 
+# 9. Ensure that several result formatting options including "sorted_result"
 #    - have all an effect
 #    - "--sorted_result" does not need to be direct before the statement
 #    - Row sorting is applied after modification of the column content
@@ -2170,15 +2175,15 @@ remove_file $MYSQLTEST_VARDIR/tmp/testdir/file3.txt;
 rmdir $MYSQLTEST_VARDIR/tmp/testdir;
 
 #
-# Bug #36041: mysql-test-run doesn't seem to string match 100% effectively
-# on Windows
+# Bug#36041 mysql-test-run doesn't seem to string match 100% effectively
+#           on Windows
 #
 
 --replace_result c:\\a.txt z
 SELECT 'c:\\a.txt' AS col;
 
 #
-# Bug #32307  	mysqltest - does not detect illegal if syntax
+# Bug#32307 mysqltest - does not detect illegal if syntax
 #
 
 let $test= 1;
@@ -2212,12 +2217,14 @@ select 1;
 
 
 # ----------------------------------------------------------------------------
-# BUG#35701: please allow test language variables in connection and sync_slave_with_master
+# BUG#35701 please allow test language variables in connection and sync_slave_with_master
 # Test that "connection $variable" works and that $CURRENT_CONNECTION has the right value.
 # ----------------------------------------------------------------------------
 
 connect (con1,localhost,root,,);
 --echo $CURRENT_CONNECTION
+connect (con2,localhost,root,,);
+--echo $CURRENT_CONNECTION
 
 connection default;
 --echo $CURRENT_CONNECTION
@@ -2225,8 +2232,11 @@ connection default;
 connection con1;
 --echo $CURRENT_CONNECTION
 
-let $x= default;
-let $y= con1;
+connection con2;
+--echo $CURRENT_CONNECTION
+
+let $x= con1;
+let $y= con2;
 
 connection $x;
 --echo $CURRENT_CONNECTION
@@ -2245,3 +2255,6 @@ disconnect $y;
 
 --echo End of tests
 
+connection default;
+# Wait till we reached the initial number of concurrent sessions
+--source include/wait_until_count_sessions.inc

mysql-test/t/read_only.test

@@ -3,10 +3,12 @@
 
 # should work with embedded server after mysqltest is fixed
 --source include/not_embedded.inc
---source include/count_sessions.inc
 
 set @start_read_only= @@global.read_only;
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 DROP TABLE IF EXISTS t1,t2,t3;
 --enable_warnings
@@ -110,7 +112,7 @@ drop table t1;
 insert into t1 values(1);
 
 #
-# BUG#11733: COMMITs should not happen if read-only is set
+# Bug#11733 COMMITs should not happen if read-only is set
 #
 
 # LOCK TABLE ... WRITE / READ_ONLY
@@ -238,8 +240,9 @@ set global read_only=1;
 connection default;
 select @@global.read_only;
 unlock tables;
+disconnect root2;
 
-# BUG #22077 "DROP TEMPORARY TABLE fails with wrong error if read_only is set"
+# Bug#22077 DROP TEMPORARY TABLE fails with wrong error if read_only is set
 #
 # check if DROP TEMPORARY on a non-existing temporary table returns the right
 # error
@@ -256,10 +259,12 @@ drop temporary table if exists ttt;
 --echo connection default;
 connection default;
 set global read_only=0;
+disconnect con1;
 drop table t1,t2;
 drop user test@localhost;
+
 --echo #
---echo # Bug #27440 read_only allows create and drop database
+--echo # Bug#27440 read_only allows create and drop database
 --echo #
 set global read_only= 1;
 --disable_warnings
@@ -297,7 +302,7 @@ delete from mysql.columns_priv where User like 'mysqltest_%';
 flush privileges;
 drop database mysqltest_db1;
 set global read_only= @start_read_only;
-disconnect con1;
-disconnect root2;
+
+# Wait till all disconnects are completed
 --source include/wait_until_count_sessions.inc
 

mysql-test/t/show_check.test

@@ -5,6 +5,9 @@
 # depends on the presence of the log tables (which are CSV-based).
 --source include/have_csv.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 #
 # Test of some show commands
 #
@@ -195,7 +198,7 @@ show columns from t1;
 drop table t1;
 
 #
-# Test for Bug #2593 "SHOW CREATE TABLE doesn't properly double quotes"
+# Test for Bug#2593 SHOW CREATE TABLE doesn't properly double quotes
 #
 
 SET @old_sql_mode= @@sql_mode, sql_mode= '';
@@ -223,7 +226,7 @@ CREATE TABLE """a" (i INT);
 SHOW CREATE TABLE """a";
 DROP TABLE """a";
 
-#Bug #4374 SHOW TABLE STATUS FROM ignores collation_connection
+# Bug#4374 SHOW TABLE STATUS FROM ignores collation_connection
 #set names latin1;
 #create database ``;
 #create table ``.`` (a int) engine=heap;
@@ -248,7 +251,7 @@ SET sql_quote_show_create= @old_sql_quote_show_create;
 SET sql_mode= @old_sql_mode;
 
 #
-# Test for bug #2719 "Heap tables status shows wrong or missing data."
+# Test for Bug#2719 Heap tables status shows wrong or missing data.
 #
 
 select @@max_heap_table_size;
@@ -309,7 +312,7 @@ show table status;
 drop table t1, t2, t3;
 
 #
-# Test for bug #3342 SHOW CREATE DATABASE seems to require DROP privilege
+# Test for Bug#3342 SHOW CREATE DATABASE seems to require DROP privilege
 #
 
 create database mysqltest;
@@ -324,35 +327,38 @@ connect (con1,localhost,mysqltest_1,,mysqltest);
 connection con1;
 select * from t1;
 show create database mysqltest;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 drop table t1;
---error 1044
+--error ER_DBACCESS_DENIED_ERROR
 drop database mysqltest;
+disconnect con1;
 
 connect (con2,localhost,mysqltest_2,,test);
 connection con2;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 select * from mysqltest.t1;
---error 1044
+--error ER_DBACCESS_DENIED_ERROR
 show create database mysqltest;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 drop table mysqltest.t1;
---error 1044
+--error ER_DBACCESS_DENIED_ERROR
 drop database mysqltest;
+disconnect con2;
 
 connect (con3,localhost,mysqltest_3,,test);
 connection con3;
---error 1142
+--error ER_TABLEACCESS_DENIED_ERROR
 select * from mysqltest.t1;
 show create database mysqltest;
 drop table mysqltest.t1;
 drop database mysqltest;
+disconnect con3;
 
 connection default;
 set names binary;
-delete from mysql.user 
+delete from mysql.user
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
-delete from mysql.db   
+delete from mysql.db
 where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
 flush privileges;
 
@@ -366,7 +372,7 @@ flush privileges;
 #drop database ``;
 
 # Test that USING <keytype> is always shown in SHOW CREATE TABLE when it was
-# specified during table creation, but not otherwise. (Bug #7235)
+# specified during table creation, but not otherwise. (Bug#7235)
 CREATE TABLE t1 (i int, KEY (i)) ENGINE=MEMORY;
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
@@ -397,7 +403,7 @@ ALTER TABLE t1 ENGINE=MEMORY;
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
 
-# Test for BUG#9439 "Reporting wrong datatype for sub_part on show index"
+# Test for Bug#9439 Reporting wrong datatype for sub_part on show index
 CREATE TABLE t1(
   field1 text NOT NULL,
   PRIMARY KEY(field1(1000))
@@ -407,7 +413,7 @@ show index from t1;
 --disable_metadata
 drop table t1;
 
-# Test for BUG#11635: mysqldump exports TYPE instead of USING for HASH
+# Test for Bug#11635 mysqldump exports TYPE instead of USING for HASH
 create table t1 (
   c1 int NOT NULL,
   c2 int NOT NULL,
@@ -417,7 +423,7 @@ create table t1 (
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
 
-# Test for BUG#93: 4.1 protocl crash on corupted frm and SHOW TABLE STATUS
+# Test for Bug#93 4.1 protocl crash on corupted frm and SHOW TABLE STATUS
 
 flush tables;
 
@@ -426,19 +432,19 @@ let $MYSQLD_DATADIR= `select @@datadir`;
 system echo "this is a junk file for test" >> $MYSQLD_DATADIR/test/t1.frm ;
 --replace_column 6 # 7 # 8 # 9 #
 SHOW TABLE STATUS like 't1';
---error 1033
+--error ER_NOT_FORM_FILE
 show create table t1;
 drop table if exists t1;
 --error 1,0
 --remove_file $MYSQLD_DATADIR/test/t1.frm
 
 #
-# BUG 12183 -  SHOW OPEN TABLES behavior doesn't match grammar
+# Bug#12183 SHOW OPEN TABLES behavior doesn't match grammar
 # First we close all open tables with FLUSH tables and then we open some.
 #
 
 --echo
---echo # Bug#12183: SHOW OPEN TABLES behavior doesn't match grammar.
+--echo # Bug#12183 SHOW OPEN TABLES behavior doesn't match grammar.
 --echo
 
 # NOTE: SHOW OPEN TABLES does not sort result list by database or table names.
@@ -497,15 +503,15 @@ use test;
 --echo
 
 #
-# BUG #12591 (SHOW TABLES FROM dbname produces wrong error message)
+# Bug#12591 SHOW TABLES FROM dbname produces wrong error message
 #
---error 1049
+--error ER_BAD_DB_ERROR
 SHOW TABLES FROM non_existing_database;
 
 --echo End of 4.1 tests
 
 #
-# Bug#17203: "sql_no_cache sql_cache" in views created from prepared
+# Bug#17203 "sql_no_cache sql_cache" in views created from prepared
 # statement
 #
 # The problem was that initial user setting was forgotten, and current
@@ -585,7 +591,7 @@ SHOW COLUMNS FROM no_such_table;
 
 
 #
-# Bug #19764: SHOW commands end up in the slow log as table scans
+# Bug#19764 SHOW commands end up in the slow log as table scans
 #
 flush status;
 show status like 'slow_queries';
@@ -597,7 +603,7 @@ select 1 from information_schema.tables limit 1;
 show status like 'slow_queries';
 
 create table t1 (a int);
-create trigger tr1 before insert on t1 for each row 
+create trigger tr1 before insert on t1 for each row
 begin
 end;
 create view v1 as select a from t1;
@@ -657,9 +663,10 @@ drop table t1;
 drop procedure p1;
 drop function f1;
 drop event e1;
+
 #
-# BUG#10491: Server returns data as charset binary SHOW CREATE TABLE or SELECT
-# FROM I_S.
+# Bug#10491 Server returns data as charset binary SHOW CREATE TABLE or SELECT
+#           FROM I_S.
 #
 
 #
@@ -774,7 +781,7 @@ SHOW TRIGGERS LIKE 't1';
 
 --echo ----------------------------------------------------------------
 
-SELECT 
+SELECT
   TRIGGER_CATALOG,
   TRIGGER_SCHEMA,
   TRIGGER_NAME,
@@ -930,7 +937,7 @@ DROP DATABASE mysqltest1;
 use test;
 
 #
-# Bug #28808: log_queries_not_using_indexes variable dynamic change is ignored
+# Bug#28808 log_queries_not_using_indexes variable dynamic change is ignored
 #
 flush status;
 show variables like "log_queries_not_using_indexes";
@@ -946,7 +953,7 @@ select 1 from information_schema.tables limit 1;
 show status like 'slow_queries';
 
 #
-# Bug #30088: Can't disable myisam-recover by a value of ""
+# Bug#30088 Can't disable myisam-recover by a value of ""
 #
 show variables like 'myisam_recover_options';
 
@@ -977,7 +984,8 @@ SHOW AUTHORS;
 --enable_result_log
 
 #
-# Test for bug #9785 SELECT privilege for the whole database is needed to do SHOW CREATE DATABASE
+# Bug#9785 SELECT privilege for the whole database is needed to do
+#          SHOW CREATE DATABASE
 #
 create database mysqltest;
 show create database mysqltest;
@@ -993,6 +1001,8 @@ delete from mysql.db where user='mysqltest_4';
 delete from mysql.tables_priv where user='mysqltest_4';
 flush privileges;
 drop database mysqltest;
+connection default;
+disconnect con4;
 
 #
 # Ensure that show plugin code is tested
@@ -1008,8 +1018,8 @@ show plugins;
 --enable_result_log
 
 #
-# Bug #19874: SHOW COLUMNS and SHOW KEYS handle identifiers containing
-# \ incorrectly
+# Bug#19874 SHOW COLUMNS and SHOW KEYS handle identifiers containing
+#           \ incorrectly
 #
 create database `mysqlttest\1`;
 create table `mysqlttest\1`.`a\b` (a int);
@@ -1021,7 +1031,7 @@ drop table `mysqlttest\1`.`a\b`;
 drop database `mysqlttest\1`;
 
 #
-# Bug#24392: SHOW ENGINE MUTEX STATUS is a synonym for SHOW INNODB STATUS
+# Bug#24392 SHOW ENGINE MUTEX STATUS is a synonym for SHOW INNODB STATUS
 #
 
 --error ER_UNKNOWN_STORAGE_ENGINE
@@ -1107,8 +1117,8 @@ DROP PROCEDURE p1;
 DEALLOCATE PREPARE stmt1;
 
 #
-# BUG#10491: Server returns data as charset binary SHOW CREATE TABLE or SELECT
-# FROM INFORMATION_SCHEMA.
+# Bug#10491 Server returns data as charset binary SHOW CREATE TABLE or SELECT
+#           FROM INFORMATION_SCHEMA.
 #
 # Before the change performed to fix the bug, the metadata of the output of
 # SHOW CREATE statements would always describe the result as 'binary'. That
@@ -1171,17 +1181,17 @@ DROP TABLE t1;
 DROP EVENT ev1;
 
 #
-# Bug #30036: SHOW TABLE TYPES causes the debug client to crash
+# Bug#30036 SHOW TABLE TYPES causes the debug client to crash
 #
 --disable_result_log
 SHOW TABLE TYPES;
 --enable_result_log
 
+
 #
-# Bug #32710: SHOW INNODB STATUS requires SUPER
+# Bug#32710 SHOW INNODB STATUS requires SUPER
 #
 
-
 CREATE USER test_u@localhost;
 GRANT PROCESS ON *.* TO test_u@localhost;
 
@@ -1198,3 +1208,7 @@ DROP USER test_u@localhost;
 
 
 --echo End of 5.1 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/skip_name_resolve.test

 # Can't be tested with embedded server
--- source include/not_embedded.inc
+--source include/not_embedded.inc
 
-# Bug #8471: IP address with mask fail when skip-name-resolve is on
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+# Bug#8471 IP address with mask fail when skip-name-resolve is on
 GRANT ALL ON test.* TO mysqltest_1@'127.0.0.1/255.255.255.255';
 SHOW GRANTS FOR mysqltest_1@'127.0.0.1/255.255.255.255';
 REVOKE ALL ON test.* FROM mysqltest_1@'127.0.0.1/255.255.255.255';
@@ -9,12 +12,17 @@ DROP USER mysqltest_1@'127.0.0.1/255.255.255.255';
 
 # End of 4.1 tests
 
-# Bug #13407 "Remote connecting crashes server".
+# Bug#13407 Remote connecting crashes server
 # Server crashed when one used USER() function in connection for which
 # was impossible to obtain peer hostname.
 connect (con1, 127.0.0.1, root, , test, $MASTER_MYPORT, );
 --replace_column 1 #
-select user();
+SELECT USER();
 --replace_column 1 <id> 3 <host> 5 <command> 6 <time> 7 <state> 8 <info>
-show processlist;
+SHOW PROCESSLIST;
 connection default;
+disconnect con1;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/sp-security.test

@@ -5,6 +5,9 @@
 # Can't test with embedded server that doesn't support grants
 -- source include/not_embedded.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (con1root,localhost,root,,);
 
 connection con1root;
@@ -156,7 +159,7 @@ call db1_secret.stamp(6);
 select db1_secret.db();
 
 #
-# BUG#2777
+# Bug#2777 Stored procedure doesn't observe definer's rights
 #
 
 connection con1root;
@@ -215,7 +218,7 @@ call q();
 select * from t2;
 
 #
-# BUG#6030: Stored procedure has no appropriate DROP privilege
+# Bug#6030 Stored procedure has no appropriate DROP privilege
 # (or ALTER for that matter)
 
 # still connection con2user1 in db2
@@ -330,7 +333,7 @@ flush privileges;
 drop table t1;
 
 #
-# BUG#9503: reseting correct parameters of thread after error in SP function
+# Bug#9503 reseting correct parameters of thread after error in SP function
 #
 connect (root,localhost,root,,test);
 connection root;
@@ -366,10 +369,12 @@ REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost;
 drop function bug_9503;
 use test;
 drop database mysqltest;
+connection default;
+disconnect root;
 
 #
 # correct value from current_user() in function run from "security definer"
-# (BUG#7291)
+# (Bug#7291 Stored procedures: wrong CURRENT_USER value)
 #
 connection con1root;
 use test;
@@ -398,10 +403,10 @@ REVOKE ALL PRIVILEGES, GRANT OPTION FROM user1@localhost;
 drop user user1@localhost;
 
 #
-# Bug #12318: Wrong error message when accessing an inaccessible stored
+# Bug#12318 Wrong error message when accessing an inaccessible stored
 # procedure in another database when the current database is
 # information_schema.
-# 
+#
 
 --disable_warnings
 drop database if exists mysqltest_1;
@@ -438,7 +443,7 @@ revoke usage on *.* from mysqltest_1@localhost;
 drop user mysqltest_1@localhost;
 
 #
-# BUG#12812 create view calling a function works without execute right
+# Bug#12812 create view calling a function works without execute right
 #           on function
 delimiter |;
 --disable_warnings
@@ -464,7 +469,7 @@ delimiter ;|
 
 
 #
-# BUG#14834: Server denies to execute Stored Procedure
+# Bug#14834 Server denies to execute Stored Procedure
 #
 # The problem here was with '_' in the database name.
 #
@@ -507,7 +512,7 @@ drop database db_bug14834;
 
 
 #
-# BUG#14533: 'desc tbl' in stored procedure causes error
+# Bug#14533 'desc tbl' in stored procedure causes error
 # ER_TABLEACCESS_DENIED_ERROR
 #
 create database db_bug14533;
@@ -546,7 +551,7 @@ drop database db_bug14533;
 
 
 #
-# WL#2897: Complete definer support in the stored routines.
+# WL#2897 Complete definer support in the stored routines.
 #
 # The following cases are tested:
 #   1. check that if DEFINER-clause is not explicitly specified, stored routines
@@ -591,7 +596,7 @@ GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use mysqltest;
+USE mysqltest;
 
 CREATE PROCEDURE wl2897_p1() SELECT 1;
 
@@ -603,7 +608,7 @@ CREATE FUNCTION wl2897_f1() RETURNS INT RETURN 1;
 --echo ---> connection: mysqltest_1_con
 --connection mysqltest_1_con
 
-use mysqltest;
+USE mysqltest;
 
 --error ER_SPECIFIC_ACCESS_DENIED_ERROR
 CREATE DEFINER=root@localhost PROCEDURE wl2897_p2() SELECT 2;
@@ -629,7 +634,7 @@ CREATE DEFINER='a @ b @ c'@localhost FUNCTION wl2897_f3() RETURNS INT RETURN 3;
 --echo ---> connection: con1root
 --connection con1root
 
-use mysqltest;
+USE mysqltest;
 
 SHOW CREATE PROCEDURE wl2897_p1;
 SHOW CREATE PROCEDURE wl2897_p3;
@@ -649,7 +654,7 @@ DROP DATABASE mysqltest;
 
 
 #
-# BUG#13198: SP executes if definer does not exist
+# Bug#13198 SP executes if definer does not exist
 #
 
 # Prepare environment.
@@ -679,7 +684,7 @@ GRANT ALL PRIVILEGES ON mysqltest.* TO mysqltest_2@localhost;
 --echo ---> connection: mysqltest_1_con
 --connection mysqltest_1_con
 
-use mysqltest;
+USE mysqltest;
 
 CREATE PROCEDURE bug13198_p1()
   SELECT 1;
@@ -697,7 +702,7 @@ SELECT bug13198_f1();
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use mysqltest;
+USE mysqltest;
 
 CALL bug13198_p1();
 
@@ -719,7 +724,7 @@ DROP USER mysqltest_1@localhost;
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use mysqltest;
+USE mysqltest;
 
 --error ER_NO_SUCH_USER
 CALL bug13198_p1();
@@ -740,8 +745,8 @@ DROP USER mysqltest_2@localhost;
 DROP DATABASE mysqltest;
 
 #
-# Bug#19857 - When a user with CREATE ROUTINE priv creates a routine,
-#             it results in NULL p/w
+# Bug#19857 When a user with CREATE ROUTINE priv creates a routine,
+#           it results in NULL p/w
 #
 
 # Can't test with embedded server that doesn't support grants
@@ -756,7 +761,7 @@ SELECT Host,User,Password FROM mysql.user WHERE User='user19857';
 --echo ---> connection: mysqltest_2_con
 --connection mysqltest_2_con
 
-use test;
+USE test;
 
 DELIMITER //;
   CREATE PROCEDURE sp19857() DETERMINISTIC
@@ -790,8 +795,7 @@ DROP USER user19857@localhost;
 use test;
 
 #
-# BUG#18630: Arguments of suid routine calculated in wrong security
-# context
+# Bug#18630 Arguments of suid routine calculated in wrong security context
 #
 # Arguments of suid routines were calculated in definer's security
 # context instead of caller's context thus creating security hole.
@@ -862,3 +866,7 @@ DROP FUNCTION f_suid;
 DROP TABLE t1;
 
 --echo End of 5.0 tests.
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/sp_notembedded.test

@@ -4,13 +4,17 @@
 set @old_concurrent_insert= @@global.concurrent_insert;
 set @@global.concurrent_insert= 0;
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 drop table if exists t1,t3;
 --enable_warnings
 delimiter |;
 
+
 #
-# BUG#4902: Stored procedure with SHOW WARNINGS leads to packet error
+# Bug#4902 Stored procedure with SHOW WARNINGS leads to packet error
 #
 # Added tests for show grants command
 --disable_warnings
@@ -52,15 +56,14 @@ show warnings|
 drop procedure bug4902_2|
 
 #
-# BUG#3583: query cache doesn't work for stored procedures
+# Bug#3583 query cache doesn't work for stored procedures
 #
-
 --disable_warnings
 drop table if exists t1|
 --enable_warnings
 create table t1 (
-	id   char(16) not null default '',
-        data int not null
+    id   char(16) not null default '',
+    data int not null
 )|
 --disable_warnings
 drop procedure if exists bug3583|
@@ -97,8 +100,9 @@ delete from t1|
 drop procedure bug3583|
 drop table t1|
 
+
 #
-# BUG#6807: Stored procedure crash if CREATE PROCEDURE ... KILL QUERY
+# Bug#6807 Stored procedure crash if CREATE PROCEDURE ... KILL QUERY
 #
 --disable_warnings
 drop procedure if exists bug6807|
@@ -112,16 +116,16 @@ begin
   select 'Not reached';
 end|
 
---error 1317
+--error ER_QUERY_INTERRUPTED
 call bug6807()|
---error 1317
+--error ER_QUERY_INTERRUPTED
 call bug6807()|
 
 drop procedure bug6807|
 
 
 #
-# BUG#10100: function (and stored procedure?) recursivity problem
+# Bug#10100 function (and stored procedure?) recursivity problem
 #
 --disable_warnings
 drop function if exists bug10100f|
@@ -220,11 +224,11 @@ begin
   close c;
 end|
 
-#end of the stack checking
+# end of the stack checking
 set @@max_sp_recursion_depth=255|
 set @var=1|
-#disable log because error about stack overrun contains numbers which
-#depend on a system
+# disable log because error about stack overrun contains numbers which
+# depend on a system
 -- disable_result_log
 -- error ER_STACK_OVERRUN_NEED_MORE
 call bug10100p(255, @var)|
@@ -253,6 +257,7 @@ drop table t3|
 
 delimiter ;|
 
+
 #
 # Bug#15298 SHOW GRANTS FOR CURRENT_USER: Incorrect output in DEFINER context
 #
@@ -269,6 +274,7 @@ call 15298_1();
 call 15298_2();
 
 connection default;
+disconnect con1;
 drop user mysqltest_1@localhost;
 drop procedure 15298_1;
 drop procedure 15298_2;
@@ -334,6 +340,7 @@ connection default;
 disconnect rl_holder;
 disconnect rl_acquirer;
 disconnect rl_wait;
+disconnect rl_contender;
 drop procedure p1;
 drop table t1;
 set session low_priority_updates=default;
@@ -343,3 +350,7 @@ set session low_priority_updates=default;
 #
 
 set @@global.concurrent_insert= @old_concurrent_insert;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/ssl-big.test

@@ -4,12 +4,15 @@
 -- source include/have_ssl.inc
 -- source include/big_test.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 DROP TABLE IF EXISTS t1, t2;
 --enable_warnings
 
 #
-# Bug #29579 Clients using SSL can hang the server
+# Bug#29579 Clients using SSL can hang the server
 #
 
 connect (ssl_con,localhost,root,,,,,SSL);
@@ -18,7 +21,7 @@ create table t1 (a int);
 
 disconnect ssl_con;
 
-  
+
 --disable_query_log
 --disable_result_log
 
@@ -26,31 +29,36 @@ let $count= 2000;
 while ($count)
 {
   connect (ssl_con,localhost,root,,,,,SSL);
-  
+
   eval insert into t1 values ($count);
   dec $count;
-  
-  # This select causes the net buffer to fill as the server sends the results 
+
+  # This select causes the net buffer to fill as the server sends the results
   # but the client doesn't reap the results. The results are larger each time
   # through the loop, so that eventually the buffer is completely full
   # at the exact moment the server attempts to the close the connection with
   # the lock held.
   send select * from t1;
-  
+
   # now send the quit the command so the server will initiate the shutdown.
-  send_quit ssl_con; 
-  
+  send_quit ssl_con;
+
   # if the server is hung, this will hang too:
   connect (ssl_con2,localhost,root,,,,,SSL);
-  
+
   # no hang if we get here, close and retry
   disconnect ssl_con2;
   disconnect ssl_con;
-}  
+}
 --enable_query_log
 --enable_result_log
 
 connect (ssl_con,localhost,root,,,,,SSL);
 
 drop table t1;
+connection default;
+disconnect ssl_con;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
 

mysql-test/t/ssl.test

@@ -3,6 +3,9 @@
 
 -- source include/have_ssl.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (ssl_con,localhost,root,,,,,SSL);
 
 # Check ssl turned on
@@ -14,4 +17,9 @@ SHOW STATUS LIKE 'Ssl_cipher';
 # Check ssl turned on
 SHOW STATUS LIKE 'Ssl_cipher';
 
+connection default;
+disconnect ssl_con;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
 

mysql-test/t/ssl_compress.test

@@ -4,6 +4,9 @@
 -- source include/have_ssl.inc
 -- source include/have_compress.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 connect (ssl_compress_con,localhost,root,,,,,SSL COMPRESS);
 
 # Check ssl turned on
@@ -20,3 +23,10 @@ SHOW STATUS LIKE 'Ssl_cipher';
 
 # Check compression turned on
 SHOW STATUS LIKE 'Compression';
+
+connection default;
+disconnect ssl_compress_con;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/status.test

@@ -268,6 +268,7 @@ show status like 'Com%function';
 #
 connect (root, localhost, root,,test);
 connection root;
+let $root_connection_id= `select connection_id()`;
 --disable_warnings
 create database db37908;
 --enable_warnings
@@ -282,6 +283,7 @@ delimiter ;|
 
 connect (user1,localhost,mysqltest_1,,test);
 connection user1;
+let $user1_connection_id= `select connection_id()`;
 
 --error ER_TABLEACCESS_DENIED_ERROR
 select * from db37908.t1;
@@ -300,8 +302,12 @@ drop procedure proc37908;
 drop function func37908;
 REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
 DROP USER mysqltest_1@localhost;
-# Wait till we reached the initial number of concurrent sessions
---source include/wait_until_count_sessions.inc
+# Wait till the sessions user1 and root are disconnected
+let $wait_condition =
+  SELECT COUNT(*) = 0
+  FROM information_schema.processlist
+  WHERE  id in ('$root_connection_id','$user1_connection_id');
+--source include/wait_condition.inc
 
 #
 # Bug#41131 "Questions" fails to increment - ignores statements instead stored procs

mysql-test/t/user_limits.test

@@ -3,9 +3,12 @@
 #
 
 # Requires privileges to be enabled
--- source include/not_embedded.inc
+--source include/not_embedded.inc
 
-# Prepare play-ground 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
+# Prepare play-ground
 --disable_warnings
 drop table if exists t1;
 --enable_warnings
@@ -28,11 +31,11 @@ connect (mqph, localhost, mysqltest_1,,);
 connection mqph;
 select * from t1;
 select * from t1;
---error 1226
+--error ER_USER_LIMIT_REACHED
 select * from t1;
 connect (mqph2, localhost, mysqltest_1,,);
 connection mqph2;
---error 1226
+--error ER_USER_LIMIT_REACHED
 select * from t1;
 # cleanup
 connection default;
@@ -50,12 +53,12 @@ select * from t1;
 select * from t1;
 delete from t1;
 delete from t1;
---error 1226
+--error ER_USER_LIMIT_REACHED
 delete from t1;
 select * from t1;
 connect (muph2, localhost, mysqltest_1,,);
 connection muph2;
---error 1226
+--error ER_USER_LIMIT_REACHED
 delete from t1;
 select * from t1;
 # Cleanup
@@ -74,7 +77,7 @@ connect (mcph2, localhost, mysqltest_1,,);
 connection mcph2;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (mcph3, localhost, mysqltest_1,,);
 # Old connection is still ok
 select * from t1;
@@ -83,7 +86,7 @@ select * from t1;
 disconnect mcph1;
 disconnect mcph2;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (mcph3, localhost, mysqltest_1,,);
 # Cleanup
 connection default;
@@ -101,13 +104,13 @@ connect (muc2, localhost, mysqltest_1,,);
 connection muc2;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (muc3, localhost, mysqltest_1,,);
 # Closing of one of connections should help
 disconnect muc1;
 connect (muc3, localhost, mysqltest_1,,);
 select * from t1;
-# Changing of limit should also help (and immediately) 
+# Changing of limit should also help (and immediately)
 connection default;
 grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
 flush user_resources;
@@ -115,7 +118,7 @@ connect (muc4, localhost, mysqltest_1,,);
 connection muc4;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (muc5, localhost, mysqltest_1,,);
 # Clean up
 connection default;
@@ -129,10 +132,10 @@ drop user mysqltest_1@localhost;
 select @@session.max_user_connections, @@global.max_user_connections;
 # Local max_user_connections variable can't be set directly
 # since this limit is per-account
---error 1229
-set session max_user_connections= 2; 
+--error ER_GLOBAL_VARIABLE
+set session max_user_connections= 2;
 # But it is ok to set global max_user_connections
-set global max_user_connections= 2; 
+set global max_user_connections= 2;
 select @@session.max_user_connections, @@global.max_user_connections;
 # Let us check that global limit works
 grant usage on *.* to mysqltest_1@localhost;
@@ -144,7 +147,7 @@ connect (muca2, localhost, mysqltest_1,,);
 connection muca2;
 select * from t1;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1203
+--error ER_TOO_MANY_USER_CONNECTIONS
 connect (muca3, localhost, mysqltest_1,,);
 # Now we are testing that per-account limit prevails over gloabl limit
 connection default;
@@ -154,16 +157,20 @@ connect (muca3, localhost, mysqltest_1,,);
 connection muca3;
 select @@session.max_user_connections, @@global.max_user_connections;
 --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
---error 1226
+--error ER_USER_LIMIT_REACHED
 connect (muca4, localhost, mysqltest_1,,);
 # Cleanup
 connection default;
 disconnect muca1;
 disconnect muca2;
 disconnect muca3;
-set global max_user_connections= 0; 
+set global max_user_connections= 0;
 drop user mysqltest_1@localhost;
 --enable_ps_protocol
 
 # Final cleanup
 drop table t1;
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/wait_timeout.test

@@ -10,8 +10,11 @@
 -- source include/not_embedded.inc
 -- source include/one_thread_per_connection.inc
 
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 #
-# Bug#8731: wait_timeout does not work on Mac OS X
+# Bug#8731 wait_timeout does not work on Mac OS X
 #
 
 let $start_value= `SELECT @@global.wait_timeout`;
@@ -113,6 +116,7 @@ while (!`select @aborted_clients`)
 # the disconnect has reached client
 let $wait_condition= SELECT COUNT(*)=1 FROM information_schema.processlist;
 --source include/wait_condition.inc
+disconnect wait_con;
 
 --echo connection con1;
 connection con1;
@@ -126,8 +130,13 @@ SELECT 2;
 SELECT 3;
 --replace_result $start_value <start_value>
 eval SET @@global.wait_timeout= $start_value;
-# ML: The start value might be changed in future ...
 --echo disconnection con1;
 disconnect con1;
 
 
+# The last connect is to keep tools checking the current test happy.
+connect (default,localhost,root,,test,,);
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+

mysql-test/t/xa.test

@@ -2,6 +2,10 @@
 # WL#1756
 #
 -- source include/have_innodb.inc
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+
 --disable_warnings
 drop table if exists t1, t2;
 --enable_warnings
@@ -14,10 +18,10 @@ xa rollback 'test1';
 select * from t1;
 
 xa start 'test2';
---error 1399
+--error ER_XAER_RMFAIL
 xa start 'test-bad';
 insert t1 values (20);
---error 1399
+--error ER_XAER_RMFAIL
 xa prepare 'test2';
 xa end 'test2';
 xa prepare 'test2';
@@ -27,22 +31,22 @@ select * from t1;
 xa start 'testa','testb';
 insert t1 values (30);
 
---error 1399
+--error ER_XAER_RMFAIL
 commit;
 
 xa end 'testa','testb';
 
---error 1399
+--error ER_XAER_RMFAIL
 begin;
---error 1399
+--error ER_XAER_RMFAIL
 create table t2 (a int);
 
 connect (con1,localhost,root,,);
 connection con1;
 
---error 1440
+--error ER_XAER_DUPID
 xa start 'testa','testb';
---error 1440
+--error ER_XAER_DUPID
 xa start 'testa','testb', 123;
 
 #        gtrid [ , bqual [ , formatID ] ]
@@ -51,7 +55,7 @@ insert t1 values (40);
 xa end 'testb',' 0@P`',11;
 xa prepare 'testb',0x2030405060,11;
 
---error 1399
+--error ER_XAER_RMFAIL
 start transaction;
 
 xa recover;
@@ -64,11 +68,11 @@ xa prepare 'testa','testb';
 
 xa recover;
 
---error 1397
+--error ER_XAER_NOTA
 xa commit 'testb',0x2030405060,11;
 xa rollback 'testa','testb';
 
---error 1064
+--error ER_PARSE_ERROR
 xa start 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz';
 
 select * from t1;
@@ -119,3 +123,7 @@ xa start 'a','c';
 drop table t1;
 
 --echo End of 5.0 tests
+
+# Wait till all disconnects are completed
+--source include/wait_until_count_sessions.inc
+