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fe0b669416
row_search_for_mysql(): Acquire an intention lock on the table before locking the first record gap.
11 lines
275 B
Plaintext
11 lines
275 B
Plaintext
#
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# Bug #56716 InnoDB locks a record gap without locking the table
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#
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-- source include/have_innodb_plugin.inc
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CREATE TABLE bug56716 (a INT PRIMARY KEY,b INT,c INT,INDEX(b)) ENGINE=InnoDB;
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SELECT * FROM bug56716 WHERE b<=42 ORDER BY b DESC FOR UPDATE;
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DROP TABLE bug56716;
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