mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
00a313ecf3
Note, the fix for "MDEV-23328 Server hang due to Galera lock conflict resolution" was null-merged. 10.4 version of the fix is coming up separately
420 lines
11 KiB
Text
420 lines
11 KiB
Text
set local sql_mode="";
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set global sql_mode="";
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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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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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connect con1, localhost, root,,;
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connect con2, localhost, root,,;
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connection con1;
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connection con2;
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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_do_command_net_read SIGNAL con1_read';
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connection con2;
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SET DEBUG_SYNC='now WAIT_FOR con1_read';
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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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SELECT 1;
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Got one of the listed errors
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SELECT 1;
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1
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1
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SELECT @id != CONNECTION_ID();
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@id != CONNECTION_ID()
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1
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connection con2;
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SELECT 4;
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4
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4
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connection default;
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KILL (SELECT COUNT(*) FROM mysql.user);
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ERROR 42000: KILL does not support subqueries or stored functions
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connection con1;
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connection con2;
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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_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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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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SELECT 1;
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Got one of the listed errors
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SELECT 1;
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1
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1
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SELECT @id != CONNECTION_ID();
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@id != CONNECTION_ID()
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1
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connection con2;
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SELECT 4;
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4
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4
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connection default;
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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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connection con2;
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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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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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Got one of the listed errors
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SELECT 1;
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1
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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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connection con1;
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connection con2;
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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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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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ACOS(0)
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1.5707963267948966
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SELECT 1;
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1
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1
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SELECT @id = CONNECTION_ID();
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@id = CONNECTION_ID()
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1
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connection default;
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SET DEBUG_SYNC = 'RESET';
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CREATE TABLE t1 (f1 INT);
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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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connection con1;
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connection con2;
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connection con1;
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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 70100: Query execution was interrupted
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SELECT * FROM t1;
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f1
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connection default;
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SET DEBUG_SYNC = 'RESET';
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INSERT INTO t1 VALUES(0);
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connection con1;
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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 70100: Query execution was interrupted
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SELECT * FROM t1;
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f1
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0
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connection default;
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SET DEBUG_SYNC = 'RESET';
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INSERT INTO t1 VALUES(1);
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connection con1;
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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 70100: Query execution was interrupted
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SELECT * FROM t1;
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f1
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0
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1
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connection default;
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SET DEBUG_SYNC = 'RESET';
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connection con1;
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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 70100: Query execution was interrupted
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SELECT * FROM t1;
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f1
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0
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1
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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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CREATE TABLE t2 (f2 INT);
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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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connection con1;
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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 70100: Query execution was interrupted
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SELECT * FROM t1;
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f1
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0
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1
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SELECT * FROM t2;
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f2
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0
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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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connection con1;
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connection con2;
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connection con1;
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SET SESSION optimizer_search_depth=0;
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SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync';
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PREPARE stmt FROM 'EXPLAIN SELECT * FROM t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16,t17,t18,t19,t20,t21,t22,t23,t24,t25,t26,t27,t28,t29,t30,t31,t32,t33,t34,t35,t36,t37,t38,t39,t40 WHERE a1=a2 AND a2=a3 AND a3=a4 AND a4=a5 AND a5=a6 AND a6=a7 AND a7=a8 AND a8=a9 AND a9=a10 AND a10=a11 AND a11=a12 AND a12=a13 AND a13=a14 AND a14=a15 AND a15=a16 AND a16=a17 AND a17=a18 AND a18=a19 AND a19=a20 AND a20=a21 AND a21=a22 AND a22=a23 AND a23=a24 AND a24=a25 AND a25=a26 AND a26=a27 AND a27=a28 AND a28=a29 AND a29=a30 AND a30=a31 AND a31=a32 AND a32=a33 AND a33=a34 AND a34=a35 AND a35=a36 AND a36=a37 AND a37=a38 AND a38=a39 AND a39=a40 ';
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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 70100: Query execution was interrupted
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connection default;
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SET DEBUG_SYNC = 'RESET';
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#
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# Bug#19723: kill of active connection yields different error code
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# depending on platform.
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#
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connection con1;
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SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
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KILL @id;
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ERROR 70100: Connection was killed
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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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# ER_SERVER_SHUTDOWN, CR_SERVER_GONE_ERROR, CR_SERVER_LOST,
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# depending on the timing of close of the connection socket
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SELECT 1;
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Got one of the listed errors
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SELECT 1;
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1
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1
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SELECT @id != CONNECTION_ID();
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@id != CONNECTION_ID()
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1
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connection default;
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SET DEBUG_SYNC = 'RESET';
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#
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# Additional test for WL#3726 "DDL locking for all metadata objects"
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# Check that DDL and DML statements waiting for metadata locks can
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# be killed. Note that we don't cover all situations here since it
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# can be tricky to write test case for some of them (e.g. REPAIR or
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# ALTER and other statements under LOCK TABLES).
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#
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drop tables if exists t1, t2, t3;
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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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# Test for RENAME TABLE
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connection blocker;
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lock table t1 read;
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connection ddl;
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rename table t1 to t2;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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# Test for DROP TABLE
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drop table t1;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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# Test for CREATE TRIGGER
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create trigger t1_bi before insert on t1 for each row set @a:=1;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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#
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# Tests for various kinds of ALTER TABLE
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#
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# Full-blown ALTER which should copy table
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alter table t1 add column j int;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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# Two kinds of simple ALTER
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alter table t1 rename to t2;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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alter table t1 disable keys;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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# Fast ALTER
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alter table t1 alter column i set default 100;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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# Special case which is triggered only for MERGE tables.
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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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connection ddl;
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alter table t2 alter column i set default 100;
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connection default;
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kill query ID;
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connection ddl;
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ERROR 70100: Query execution was interrupted
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# Test for DML waiting for meta-data lock
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connection blocker;
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unlock tables;
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lock tables t1 read;
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connection ddl;
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truncate table t1;
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connection dml;
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insert into t1 values (1);
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connection default;
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kill query ID2;
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connection dml;
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ERROR 70100: Query execution was interrupted
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connection blocker;
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unlock tables;
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connection ddl;
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# Test for DML waiting for tables to be flushed
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connection blocker;
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lock tables t1 read;
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connection ddl;
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# Let us mark locked table t1 as old
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flush tables t1;
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connection dml;
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select * from t1;
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connection default;
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kill query ID2;
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connection dml;
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ERROR 70100: Query execution was interrupted
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connection blocker;
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unlock tables;
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connection ddl;
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# Cleanup.
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connection default;
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drop table t1;
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drop table t2;
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#
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# Test kill USER
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#
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grant ALL on test.* to test@localhost;
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grant ALL on test.* to test2@localhost;
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connect con3, localhost, test,,;
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connect con4, localhost, test2,,;
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connection default;
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kill hard query user test2@nohost;
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affected rows: 0
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kill soft query user test@localhost;
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affected rows: 1
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kill hard query user test@localhost;
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affected rows: 1
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kill soft connection user test2;
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affected rows: 1
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kill hard connection user test@localhost;
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affected rows: 1
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revoke all privileges on test.* from test@localhost;
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revoke all privileges on test.* from test2@localhost;
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drop user test@localhost;
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drop user test2@localhost;
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connection con3;
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select 1;
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Got one of the listed errors
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connection con4;
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select 1;
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Got one of the listed errors
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connection default;
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#
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# MDEV-4911 - add KILL query id, and add query id information to
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# processlist
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#
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SELECT SLEEP(1000);
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connection con1;
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KILL QUERY ID @id;
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connection default;
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ERROR 70100: Query execution was interrupted
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KILL QUERY ID 0;
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ERROR HY000: Unknown query id: 0
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#
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# MDEV-5096 - Wrong error message on attempt to kill somebody else's
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# query ID
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#
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CREATE USER u1@localhost;
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SELECT SLEEP(1000);
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connection con1;
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connect con5, localhost, u1,,;
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KILL QUERY ID ID;
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ERROR HY000: You are not owner of query ID
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connection con1;
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KILL QUERY ID @id;
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connection default;
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ERROR 70100: Query execution was interrupted
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disconnect con5;
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DROP USER u1@localhost;
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SET DEBUG_SYNC = 'RESET';
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DROP FUNCTION MY_KILL;
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set global sql_mode=default;
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#
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# MDEV-17998
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# Deadlock and eventual Assertion `!table->pos_in_locked_tables' failed
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# in tc_release_table on KILL_TIMEOUT
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#
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SET max_statement_time= 2;
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CREATE TABLE t1 (a INT);
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CREATE VIEW v1 AS SELECT * FROM t1;
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CREATE TABLE t2 (b INT, c INT);
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LOCK TABLES v1 READ, t2 WRITE, t1 WRITE;
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ALTER TABLE t1 CHANGE f1 f2 DOUBLE;
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Got one of the listed errors
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ALTER TABLE t2 DROP c;
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UNLOCK TABLES;
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DROP VIEW v1;
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DROP TABLE t1, t2;
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#
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# KILL QUERY ID USER
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#
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kill query id user 'foo';
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ERROR 42S22: Unknown column 'user' in 'field list'
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