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36 lines
715 B
Text
36 lines
715 B
Text
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#
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# Bug #18806829 OPENING INNODB TABLES WITH MANY FOREIGN KEY
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# REFERENCES IS SLOW/CRASHES SEMAPHORE
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#
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create table t1 (f1 int primary key) engine=innodb;
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insert into t1 values (5);
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insert into t1 values (2882);
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insert into t1 values (10);
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update t1 set f1 = 28 where f1 = 2882;
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select * from fk_120;
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f1
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5
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10
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28
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select * from fk_1;
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f1
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5
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10
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28
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select * from fk_50;
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f1
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5
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10
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28
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drop table t1;
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#
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# Check if restrict is working fine.
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#
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create table t1 (f1 int primary key) engine=innodb;
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delete from t1 where f1 = 29;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`fk_29`, CONSTRAINT `pc29` FOREIGN KEY (`f1`) REFERENCES `t1` (`f1`))
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select * from fk_29;
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f1
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29
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drop table t1;
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