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b82abc7163
trx_t::autoinc_locks: Use small_vector<lock_t*,4> in order to avoid any dynamic memory allocation in the most common case (a statement is holding AUTO_INCREMENT locks on at most 4 tables or partitions). lock_cancel_waiting_and_release(): Instead of removing elements from the middle, simply assign nullptr, like lock_table_remove_autoinc_lock(). The added test innodb.auto_increment_lock_mode covers the dynamic memory allocation as well as nondeterministically (occasionally) covers the out-of-order lock release in lock_table_remove_autoinc_lock(). Reviewed by: Debarun Banerjee
46 lines
1.3 KiB
Text
46 lines
1.3 KiB
Text
--source include/have_innodb.inc
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##
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# Bug #56228: dropping tables from within an active statement crashes server
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#
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# This test used to use TEMPORARY TABLE, which before MySQL 5.7 or
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# MariaDB Server 10.2 were covered by InnoDB locks.
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# In MariaDB Server 10.6, the locking and logging was corrected for Atomic DDL.
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# Hence, even if we tweaked create_table_info_t::innobase_table_flags()
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# so that TEMPORARY TABLE are created as persistent tables,
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# the DROP TEMPORARY TABLE statement inside the function would
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# fail due to HA_ERR_LOCK_WAIT_TIMEOUT, instead of breaking locks
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# like it used to do before MDEV-26603 and possibly other changes.
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CREATE TABLE t1_56228(
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c1 iNT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB;
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CREATE TABLE t2_56228(
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c1 iNT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB;
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DELIMITER //;
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--error ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
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CREATE FUNCTION bug56228() RETURNS INT DETERMINISTIC
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BEGIN
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INSERT INTO t1_56228 VALUES(NULL);
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INSERT INTO t2_56228 VALUES(NULL);
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INSERT INTO t1_56228 VALUES(NULL);
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INSERT INTO t2_56228 VALUES(NULL);
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DROP TABLE t1_56228;
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RETURN 42;
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END //
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CREATE PROCEDURE bug56228()
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BEGIN
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INSERT INTO t1_56228 VALUES(NULL);
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INSERT INTO t2_56228 VALUES(NULL);
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INSERT INTO t1_56228 VALUES(NULL);
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INSERT INTO t2_56228 VALUES(NULL);
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DROP TABLE t1_56228;
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END //
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DELIMITER ;//
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CALL bug56228();
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DROP PROCEDURE bug56228;
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DROP TABLE t2_56228;
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