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8de5603d1d
When innodb detects a deadlock it calls ha_rollback_trans() to rollback the main transaction. But such action isn't allowed from inside of triggers and functions. When it happen the 'Explicit or implicit commit' error is thrown even if there is no commit/rollback statements in the trigger/function. This leads to the user confusion. Now the convert_error_code_to_mysql() function doesn't call the ha_rollback_trans() function directly but rather calls the mark_transaction_to_rollback function and returns an error. The sp_rcontext::find_handler() now doesn't allow errors to be caught by the trigger/function error handlers when the thd->is_fatal_sub_stmt_error flag is set. Procedures are still allowed to catch such errors. The sp_rcontext::find_handler function now accepts a THD handle as a parameter. The transaction_rollback_request and the is_fatal_sub_stmt_error flags are added to the THD class. The are initialized by the THD class constructor. Now the ha_autocommit_or_rollback function rolls back main transaction when not in a sub statement and the thd->transaction_rollback_request is set. The THD::restore_sub_statement_state function now resets the thd->is_fatal_sub_stmt_error flag on exit from a sub-statement.
100 lines
2.8 KiB
Text
100 lines
2.8 KiB
Text
DROP TABLE IF EXISTS t1, t2, t3, t4;
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CREATE TABLE t1 (id INTEGER) ENGINE=MYISAM;
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CREATE TABLE t2 (id INTEGER primary key) ENGINE=INNODB;
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CREATE TABLE t3 (a char(32) primary key,id INTEGER) ENGINE=INNODB;
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CREATE TABLE t4 (a char(32) primary key,id INTEGER) ENGINE=MYISAM;
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INSERT INTO t1 (id) VALUES (1);
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INSERT INTO t1 SELECT id+1 FROM t1;
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INSERT INTO t1 SELECT id+2 FROM t1;
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INSERT INTO t1 SELECT id+4 FROM t1;
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INSERT INTO t1 SELECT id+8 FROM t1;
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INSERT INTO t1 SELECT id+16 FROM t1;
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INSERT INTO t1 SELECT id+32 FROM t1;
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INSERT INTO t1 SELECT id+64 FROM t1;
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INSERT INTO t1 SELECT id+128 FROM t1;
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INSERT INTO t1 SELECT id+256 FROM t1;
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INSERT INTO t1 SELECT id+512 FROM t1;
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INSERT INTO t1 SELECT id+1024 FROM t1;
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INSERT INTO t1 SELECT id+2048 FROM t1;
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INSERT INTO t1 SELECT id+4096 FROM t1;
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INSERT INTO t1 SELECT id+8192 FROM t1;
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INSERT INTO t1 SELECT id+16384 FROM t1;
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INSERT INTO t1 SELECT id+32768 FROM t1;
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INSERT INTO t1 SELECT id+65536 FROM t1;
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INSERT INTO t1 SELECT id+131072 FROM t1;
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INSERT INTO t1 SELECT id+262144 FROM t1;
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INSERT INTO t1 SELECT id+524288 FROM t1;
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INSERT INTO t1 SELECT id+1048576 FROM t1;
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INSERT INTO t2 SELECT * FROM t1;
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INSERT INTO t3 SELECT concat(id),id from t2 ORDER BY -id;
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INSERT INTO t4 SELECT * from t3 ORDER BY concat(a);
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select sum(id) from t3;
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sum(id)
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2199024304128
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drop table t1,t2,t3,t4;
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CREATE TABLE t1 (f1 int NOT NULL) ENGINE=InnoDB;
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CREATE TABLE t2 (f2 int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
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CREATE TRIGGER t1_bi before INSERT
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ON t1 FOR EACH ROW
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BEGIN
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DECLARE CONTINUE HANDLER FOR SQLSTATE '40001' SET @a:= 'deadlock';
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DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET @a:= 'exception';
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INSERT INTO t2 (f2) VALUES (1);
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DELETE FROM t2 WHERE f2 = 1;
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END;|
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CREATE PROCEDURE proc24989()
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BEGIN
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DECLARE CONTINUE HANDLER FOR SQLSTATE '40001' SET @b:= 'deadlock';
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DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET @a:= 'exception';
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INSERT INTO t2 (f2) VALUES (1);
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DELETE FROM t2 WHERE f2 = 1;
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END;|
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create procedure proc24989_2()
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deterministic
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begin
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declare continue handler for sqlexception
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select 'Outer handler' as 'exception';
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insert into t1 values(1);
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select "continued";
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end|
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start transaction;
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insert into t1 values(1);
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start transaction;
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insert into t2 values(123);
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insert into t1 values(1);
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insert into t1 values(1);
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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select @a;
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@a
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NULL
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select * from t2;
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f2
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commit;
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start transaction;
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insert into t1 values(1);
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start transaction;
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insert into t2 values(123);
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call proc24989();
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insert into t1 values(1);
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select @a,@b;
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@a @b
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exception deadlock
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select * from t2;
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f2
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commit;
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start transaction;
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insert into t1 values(1);
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start transaction;
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insert into t2 values(123);
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call proc24989_2();
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insert into t1 values(1);
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commit;
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exception
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Outer handler
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continued
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continued
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select * from t2;
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f2
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drop procedure proc24989;
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drop procedure proc24989_2;
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drop table t1,t2;
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