77 lines
2.0 KiB
Plaintext
77 lines
2.0 KiB
Plaintext
# Test for Bug 14006907 - FOREIGN KEY PROBLEMS AFTER DROP INDEX
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--source include/have_debug_sync.inc
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# Save the initial number of concurrent sessions.
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--source include/count_sessions.inc
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SET DEBUG_SYNC='RESET';
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CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 INT, INDEX(c2)) ENGINE = InnoDB;
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CREATE TABLE t2 (
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c2 INT PRIMARY KEY,
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CONSTRAINT t2c2 FOREIGN KEY (c2) REFERENCES t1 (c2))
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ENGINE = InnoDB;
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--error ER_DROP_INDEX_FK
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DROP INDEX c2 ON t1;
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DROP TABLE t2;
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SET DEBUG_SYNC = 'innodb_after_inplace_alter_table SIGNAL drop WAIT_FOR fk';
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--send
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DROP INDEX c2 ON t1;
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--echo # Establish session con1 (user=root)
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connect (con1,localhost,root,,);
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--echo # Session con1
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connection con1;
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SET DEBUG_SYNC = 'now WAIT_FOR drop';
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--send
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CREATE TABLE t2 (
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c2 INT PRIMARY KEY,
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CONSTRAINT t2c2 FOREIGN KEY (c2) REFERENCES t1 (c2))
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ENGINE = InnoDB;
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--echo # Establish session con2 (user=root)
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connect (con2,localhost,root,,);
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--echo # After WL#6049 CREATE TABLE t2 must be blocked while trying
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--echo # to acquire exclusive metadata lock on t1.
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let $wait_condition=
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SELECT COUNT(*) = 1 FROM information_schema.processlist
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WHERE state = "Waiting for table metadata lock" AND
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info LIKE "CREATE TABLE t2 %";
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--source include/wait_condition.inc
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SET DEBUG_SYNC = 'now SIGNAL fk';
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disconnect con2;
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--echo # Switching to connection con1.
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connection con1;
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--echo # So no chance for CREATE TABLE t2 to sneak before DROP INDEX
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--echo # is committed in and succeed.
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--echo /* reap */ CREATE TABLE t2 ...
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--error ER_FK_NO_INDEX_PARENT
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--reap
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disconnect con1;
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--echo # Session default
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connection default;
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--echo /* reap */ DROP INDEX c2 ON t1;
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reap;
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--error ER_FK_NO_INDEX_PARENT
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CREATE TABLE t2 (
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c2 INT PRIMARY KEY,
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CONSTRAINT t2c2 FOREIGN KEY (c2) REFERENCES t1 (c2))
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ENGINE = InnoDB;
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SET DEBUG_SYNC='RESET';
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DROP TABLE t1;
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# Check that all connections opened by test cases in this file are really
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# gone so execution of other tests won't be affected by their presence.
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--source include/wait_until_count_sessions.inc
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