29 lines
956 B
Plaintext
29 lines
956 B
Plaintext
#
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# Bug#19904003 INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG=1
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# CAUSES INFINITE PAGE SPLIT
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#
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SET GLOBAL innodb_change_buffering_debug=1;
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SET GLOBAL innodb_limit_optimistic_insert_debug=1;
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CREATE TABLE t1(c1 INT PRIMARY KEY) ENGINE=InnoDB
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PARTITION BY HASH (c1) PARTITIONS 15;
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DROP TABLE t1;
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SET GLOBAL innodb_change_buffering_debug=0;
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SET GLOBAL innodb_limit_optimistic_insert_debug=0;
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#
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# Bug#25082593 FOREIGN KEY VALIDATION DOESN'T NEED
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# TO ACQUIRE GAP LOCK IN READ COMMITTED
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#
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SET GLOBAL innodb_limit_optimistic_insert_debug=2;
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CREATE TABLE t1(col1 INT PRIMARY KEY) ENGINE=INNODB;
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CREATE TABLE t2(col1 INT PRIMARY KEY, col2 INT NOT NULL,
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FOREIGN KEY(col2) REFERENCES t1(col1)) ENGINE=INNODB;
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INSERT INTO t1 VALUES(1), (3), (4);
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SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
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START TRANSACTION;
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INSERT INTO t2 VALUES(1, 3);
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START TRANSACTION;
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INSERT INTO t1 VALUES(2);
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SET GLOBAL innodb_limit_optimistic_insert_debug=0;
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DROP TABLE t2;
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DROP TABLE t1;
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