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637 lines
17 KiB
Plaintext
637 lines
17 KiB
Plaintext
#
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# Test KILL and KILL QUERY statements.
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#
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# Killing a connection in an embedded server does not work like in a normal
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# server, if it is waiting for a new statement. In an embedded server, the
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# connection does not read() from a socket, but returns control to the
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# application. 'mysqltest' does not handle the kill request.
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#
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-- source include/not_embedded.inc
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-- source include/have_debug_sync.inc
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-- source include/not_threadpool.inc
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--disable_warnings
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SET DEBUG_SYNC = 'RESET';
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DROP TABLE IF EXISTS t1, t2, t3;
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DROP FUNCTION IF EXISTS MY_KILL;
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--enable_warnings
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delimiter |;
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# Helper function used to repeatedly kill a session.
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CREATE FUNCTION MY_KILL(tid INT) RETURNS INT
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BEGIN
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DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
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KILL tid;
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RETURN (SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE ID = tid);
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END|
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delimiter ;|
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connect (con1, localhost, root,,);
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connect (con2, localhost, root,,);
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# Save id of con1
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connection con1;
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--disable_reconnect
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let $ID= `SELECT @id := CONNECTION_ID()`;
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connection con2;
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let $ignore= `SELECT @id := $ID`;
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connection con1;
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# Signal when this connection is terminating.
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SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
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# See if we can kill read().
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# Run into read() immediately after hitting 'before_do_command_net_read'.
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SET DEBUG_SYNC= 'before_do_command_net_read SIGNAL con1_read';
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# Kill con1
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connection con2;
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SET DEBUG_SYNC='now WAIT_FOR con1_read';
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# At this point we have no way to figure out, when con1 is blocked in
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# reading from the socket. Sending KILL to early would not terminate
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# con1. So we repeat KILL until con1 terminates.
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let $wait_condition= SELECT MY_KILL(@id);
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--source include/wait_condition.inc
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# If KILL missed the read(), sync point wait will time out.
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SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
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SET DEBUG_SYNC = 'RESET';
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connection con1;
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--error 1053,2006,2013
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SELECT 1;
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--enable_reconnect
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# this should work, and we should have a new connection_id()
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SELECT 1;
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let $ignore= `SELECT @id := $ID`;
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SELECT @id != CONNECTION_ID();
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#make sure the server is still alive
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connection con2;
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SELECT 4;
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connection default;
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--error ER_NOT_SUPPORTED_YET
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KILL (SELECT COUNT(*) FROM mysql.user);
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connection con1;
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let $ID= `SELECT @id := CONNECTION_ID()`;
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connection con2;
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let $ignore= `SELECT @id := $ID`;
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connection con1;
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disable_reconnect;
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# Signal when this connection is terminating.
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SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
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# See if we can kill the sync point itself.
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# Wait in 'before_do_command_net_read' until killed.
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# It doesn't wait for a signal 'kill' but for to be killed.
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# The signal name doesn't matter here.
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SET DEBUG_SYNC= 'before_do_command_net_read SIGNAL con1_read WAIT_FOR kill';
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR con1_read';
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# Repeat KILL until con1 terminates.
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let $wait_condition= SELECT MY_KILL(@id);
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--source include/wait_condition.inc
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SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
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SET DEBUG_SYNC = 'RESET';
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connection con1;
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--error 1053,2006,2013
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SELECT 1;
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enable_reconnect;
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SELECT 1;
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let $ignore= `SELECT @id := $ID`;
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SELECT @id != CONNECTION_ID();
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connection con2;
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SELECT 4;
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connection default;
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#
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# BUG#14851: killing long running subquery processed via a temporary table.
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#
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CREATE TABLE t1 (id INT PRIMARY KEY AUTO_INCREMENT);
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CREATE TABLE t2 (id INT UNSIGNED NOT NULL);
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INSERT INTO t1 VALUES
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(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0),
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(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0),
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(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0),
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(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0);
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INSERT t1 SELECT 0 FROM t1 AS a1, t1 AS a2 LIMIT 4032;
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INSERT INTO t2 SELECT id FROM t1;
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connection con1;
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let $ID= `SELECT @id := CONNECTION_ID()`;
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connection con2;
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let $ignore= `SELECT @id := $ID`;
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connection con1;
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SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
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SET DEBUG_SYNC= 'before_acos_function SIGNAL in_sync';
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# This is a very long running query. If this test start failing,
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# it may be necessary to change to an even longer query.
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send SELECT id FROM t1 WHERE id IN
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(SELECT DISTINCT a.id FROM t2 a, t2 b, t2 c, t2 d
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GROUP BY ACOS(1/a.id), b.id, c.id, d.id
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HAVING a.id BETWEEN 10 AND 20);
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL @id;
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SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
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connection con1;
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--error 1317,1053,2006,2013
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reap;
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SELECT 1;
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connection default;
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SET DEBUG_SYNC = 'RESET';
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DROP TABLE t1, t2;
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#
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# Test of blocking of sending ERROR after OK or EOF
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#
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connection con1;
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let $ID= `SELECT @id := CONNECTION_ID()`;
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connection con2;
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let $ignore= `SELECT @id := $ID`;
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connection con1;
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SET DEBUG_SYNC= 'before_acos_function SIGNAL in_sync WAIT_FOR kill';
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send SELECT ACOS(0);
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY @id;
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connection con1;
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reap;
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SELECT 1;
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SELECT @id = CONNECTION_ID();
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connection default;
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SET DEBUG_SYNC = 'RESET';
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#
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# Bug#27563: Stored functions and triggers wasn't throwing an error when killed.
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#
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CREATE TABLE t1 (f1 INT);
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delimiter |;
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CREATE FUNCTION bug27563() RETURNS INT(11)
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DETERMINISTIC
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BEGIN
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DECLARE CONTINUE HANDLER FOR SQLSTATE '70100' SET @a:= 'killed';
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DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET @a:= 'exception';
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SET DEBUG_SYNC= 'now SIGNAL in_sync WAIT_FOR kill';
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RETURN 1;
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END|
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delimiter ;|
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# Test stored functions
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# Test INSERT
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connection con1;
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let $ID= `SELECT @id := CONNECTION_ID()`;
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connection con2;
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let $ignore= `SELECT @id := $ID`;
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connection con1;
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send INSERT INTO t1 VALUES (bug27563());
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY @id;
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connection con1;
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--error 1317
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reap;
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SELECT * FROM t1;
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connection default;
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SET DEBUG_SYNC = 'RESET';
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# Test UPDATE
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INSERT INTO t1 VALUES(0);
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connection con1;
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send UPDATE t1 SET f1= bug27563();
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY @id;
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connection con1;
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--error 1317
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reap;
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SELECT * FROM t1;
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connection default;
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SET DEBUG_SYNC = 'RESET';
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# Test DELETE
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INSERT INTO t1 VALUES(1);
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connection con1;
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send DELETE FROM t1 WHERE bug27563() IS NULL;
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY @id;
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connection con1;
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--error 1317
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reap;
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SELECT * FROM t1;
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connection default;
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SET DEBUG_SYNC = 'RESET';
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# Test SELECT
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connection con1;
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send SELECT * FROM t1 WHERE f1= bug27563();
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY @id;
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connection con1;
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--error 1317
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reap;
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SELECT * FROM t1;
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connection default;
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SET DEBUG_SYNC = 'RESET';
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DROP FUNCTION bug27563;
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# Test TRIGGERS
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CREATE TABLE t2 (f2 INT);
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delimiter |;
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CREATE TRIGGER trg27563 BEFORE INSERT ON t1 FOR EACH ROW
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BEGIN
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DECLARE CONTINUE HANDLER FOR SQLSTATE '70100' SET @a:= 'killed';
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DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET @a:= 'exception';
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INSERT INTO t2 VALUES(0);
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SET DEBUG_SYNC= 'now SIGNAL in_sync WAIT_FOR kill';
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INSERT INTO t2 VALUES(1);
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END|
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delimiter ;|
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connection con1;
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send INSERT INTO t1 VALUES(2),(3);
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY @id;
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connection con1;
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--error 1317
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reap;
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SELECT * FROM t1;
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SELECT * FROM t2;
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connection default;
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SET DEBUG_SYNC = 'RESET';
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DROP TABLE t1, t2;
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#
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# Bug#28598: mysqld crash when killing a long-running explain query.
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#
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connection con1;
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let $ID= `SELECT @id := CONNECTION_ID()`;
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connection con2;
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let $ignore= `SELECT @id := $ID`;
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connection con1;
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--disable_query_log
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let $tab_count= 40;
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--disable_query_log
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begin;
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let $i= $tab_count;
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while ($i)
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{
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eval CREATE TABLE t$i (a$i INT, KEY(a$i));
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eval INSERT INTO t$i VALUES (1),(2),(3),(4),(5),(6),(7);
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dec $i ;
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}
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commit;
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--enable_query_log
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SET SESSION optimizer_search_depth=0;
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let $i=$tab_count;
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while ($i)
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{
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let $a= a$i;
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let $t= t$i;
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dec $i;
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if ($i)
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{
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let $comma=,;
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let $from=$comma$t$from;
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let $where=a$i=$a $and $where;
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}
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if (!$i)
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{
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let $from=FROM $t$from;
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let $where=WHERE $where;
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}
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let $and=AND;
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}
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--enable_query_log
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SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync';
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eval PREPARE stmt FROM 'EXPLAIN SELECT * $from $where';
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send EXECUTE stmt;
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY @id;
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connection con1;
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--error 1317
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reap;
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--disable_query_log
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let $i= $tab_count;
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while ($i)
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{
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eval DROP TABLE t$i;
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dec $i ;
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}
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--enable_query_log
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connection default;
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SET DEBUG_SYNC = 'RESET';
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--echo #
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--echo # Bug#19723: kill of active connection yields different error code
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--echo # depending on platform.
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--echo #
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--echo
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--echo # Connection: con1.
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--connection con1
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let $ID= `SELECT @id := CONNECTION_ID()`;
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SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
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--disable_reconnect
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--error ER_CONNECTION_KILLED
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KILL @id;
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
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connection con1;
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--echo # ER_SERVER_SHUTDOWN, CR_SERVER_GONE_ERROR, CR_SERVER_LOST,
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--echo # depending on the timing of close of the connection socket
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--error 1053,2006,2013
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SELECT 1;
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--enable_reconnect
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SELECT 1;
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let $ignore= `SELECT @id := $ID`;
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SELECT @id != CONNECTION_ID();
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connection default;
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SET DEBUG_SYNC = 'RESET';
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--echo #
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--echo # Additional test for WL#3726 "DDL locking for all metadata objects"
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--echo # Check that DDL and DML statements waiting for metadata locks can
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--echo # be killed. Note that we don't cover all situations here since it
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--echo # can be tricky to write test case for some of them (e.g. REPAIR or
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--echo # ALTER and other statements under LOCK TABLES).
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--echo #
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--disable_warnings
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drop tables if exists t1, t2, t3;
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--enable_warnings
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create table t1 (i int primary key);
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connect (blocker, localhost, root, , );
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connect (dml, localhost, root, , );
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connect (ddl, localhost, root, , );
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--echo # Test for RENAME TABLE
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--echo # Switching to connection 'blocker'
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connection blocker;
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lock table t1 read;
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--echo # Switching to connection 'ddl'
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connection ddl;
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let $ID= `select connection_id()`;
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--send rename table t1 to t2
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "rename table t1 to t2";
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--source include/wait_condition.inc
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--replace_result $ID ID
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eval kill query $ID;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--error ER_QUERY_INTERRUPTED
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--reap
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--echo # Test for DROP TABLE
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--send drop table t1
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "drop table t1";
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--source include/wait_condition.inc
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--replace_result $ID ID
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eval kill query $ID;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--error ER_QUERY_INTERRUPTED
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--reap
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--echo # Test for CREATE TRIGGER
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--send create trigger t1_bi before insert on t1 for each row set @a:=1
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "create trigger t1_bi before insert on t1 for each row set @a:=1";
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--source include/wait_condition.inc
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--replace_result $ID ID
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eval kill query $ID;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--error ER_QUERY_INTERRUPTED
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--reap
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--echo #
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--echo # Tests for various kinds of ALTER TABLE
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--echo #
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--echo # Full-blown ALTER which should copy table
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--send alter table t1 add column j int
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "alter table t1 add column j int";
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--source include/wait_condition.inc
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--replace_result $ID ID
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eval kill query $ID;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--error ER_QUERY_INTERRUPTED
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--reap
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--echo # Two kinds of simple ALTER
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--send alter table t1 rename to t2
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "alter table t1 rename to t2";
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--source include/wait_condition.inc
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--replace_result $ID ID
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eval kill query $ID;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--error ER_QUERY_INTERRUPTED
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--reap
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--send alter table t1 disable keys
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "alter table t1 disable keys";
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--source include/wait_condition.inc
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--replace_result $ID ID
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eval kill query $ID;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--error ER_QUERY_INTERRUPTED
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--reap
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--echo # Fast ALTER
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--send alter table t1 alter column i set default 100
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "alter table t1 alter column i set default 100";
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--source include/wait_condition.inc
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--replace_result $ID ID
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eval kill query $ID;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--error ER_QUERY_INTERRUPTED
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--reap
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--echo # Special case which is triggered only for MERGE tables.
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--echo # Switching to connection 'blocker'
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connection blocker;
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unlock tables;
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create table t2 (i int primary key) engine=merge union=(t1);
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lock tables t2 read;
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--echo # Switching to connection 'ddl'
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connection ddl;
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--send alter table t2 alter column i set default 100
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--echo # Switching to connection 'default'
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connection default;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "alter table t2 alter column i set default 100";
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|
--source include/wait_condition.inc
|
|
--replace_result $ID ID
|
|
eval kill query $ID;
|
|
--echo # Switching to connection 'ddl'
|
|
connection ddl;
|
|
--error ER_QUERY_INTERRUPTED
|
|
--reap
|
|
|
|
--echo # Test for DML waiting for meta-data lock
|
|
--echo # Switching to connection 'blocker'
|
|
connection blocker;
|
|
unlock tables;
|
|
lock tables t1 read;
|
|
--echo # Switching to connection 'ddl'
|
|
connection ddl;
|
|
# Let us add pending exclusive metadata lock on t2
|
|
--send truncate table t1
|
|
--echo # Switching to connection 'dml'
|
|
connection dml;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table metadata lock" and
|
|
info = "truncate table t1";
|
|
--source include/wait_condition.inc
|
|
let $ID2= `select connection_id()`;
|
|
--send insert into t1 values (1)
|
|
--echo # Switching to connection 'default'
|
|
connection default;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table metadata lock" and
|
|
info = "insert into t1 values (1)";
|
|
--source include/wait_condition.inc
|
|
--replace_result $ID2 ID2
|
|
eval kill query $ID2;
|
|
--echo # Switching to connection 'dml'
|
|
connection dml;
|
|
--error ER_QUERY_INTERRUPTED
|
|
--reap
|
|
--echo # Switching to connection 'blocker'
|
|
connection blocker;
|
|
unlock tables;
|
|
--echo # Switching to connection 'ddl'
|
|
connection ddl;
|
|
--reap
|
|
|
|
--echo # Test for DML waiting for tables to be flushed
|
|
--echo # Switching to connection 'blocker'
|
|
connection blocker;
|
|
lock tables t1 read;
|
|
--echo # Switching to connection 'ddl'
|
|
connection ddl;
|
|
--echo # Let us mark locked table t1 as old
|
|
--send flush tables
|
|
--echo # Switching to connection 'dml'
|
|
connection dml;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table flush" and
|
|
info = "flush tables";
|
|
--source include/wait_condition.inc
|
|
--send select * from t1
|
|
--echo # Switching to connection 'default'
|
|
connection default;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table flush" and
|
|
info = "select * from t1";
|
|
--source include/wait_condition.inc
|
|
--replace_result $ID2 ID2
|
|
eval kill query $ID2;
|
|
--echo # Switching to connection 'dml'
|
|
connection dml;
|
|
--error ER_QUERY_INTERRUPTED
|
|
--reap
|
|
--echo # Switching to connection 'blocker'
|
|
connection blocker;
|
|
unlock tables;
|
|
--echo # Switching to connection 'ddl'
|
|
connection ddl;
|
|
--reap
|
|
|
|
--echo # Cleanup.
|
|
--echo # Switching to connection 'default'
|
|
connection default;
|
|
drop table t1;
|
|
drop table t2;
|
|
|
|
###########################################################################
|
|
|
|
--echo #
|
|
--echo # Test kill USER
|
|
--echo #
|
|
grant ALL on test.* to test@localhost;
|
|
grant ALL on test.* to test2@localhost;
|
|
connect (con3, localhost, test,,);
|
|
connect (con4, localhost, test2,,);
|
|
connection default;
|
|
--enable_info
|
|
kill hard query user test2@nohost;
|
|
kill soft query user test@localhost;
|
|
kill hard query user test@localhost;
|
|
kill soft connection user test2;
|
|
kill hard connection user test@localhost;
|
|
--disable_info
|
|
revoke all privileges on test.* from test@localhost;
|
|
revoke all privileges on test.* from test2@localhost;
|
|
drop user test@localhost;
|
|
drop user test2@localhost;
|
|
|
|
connection con3;
|
|
--error 2013,2006
|
|
select 1;
|
|
connection con4;
|
|
--error 2013,2006
|
|
select 1;
|
|
connection default;
|
|
|
|
SET DEBUG_SYNC = 'RESET';
|
|
DROP FUNCTION MY_KILL;
|