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28 lines
1.1 KiB
28 lines
1.1 KiB
3 months ago
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#
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# Bug#21966802: MAKE OPERATIONS ON DD TABLES IMMUNE TO KILL
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#
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# Create a new connection.
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connect con1, localhost, root,,;
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# Create a table and Alter it, but stop executing right before the
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# object is stored persistently.
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CREATE TABLE t1 (pk INTEGER PRIMARY KEY);
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SET DEBUG_SYNC= 'before_storing_dd_object SIGNAL before_store WAIT_FOR cont';
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ALTER TABLE t1 ADD fld1 INT, ALGORITHM=INPLACE;
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connection default;
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# From the default connection, get the thread id of the rename, and
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# kill the query.
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SET DEBUG_SYNC= 'now WAIT_FOR before_store';
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SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO LIKE "ALTER TABLE%" INTO @thread_id;
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KILL QUERY @thread_id;
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SET DEBUG_SYNC= 'now SIGNAL cont';
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connection con1;
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# Though KILL QUERY is executed when ALTER TABLE's THD is in the kill immune mode,
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# killed status for THD is set only while exiting from the kill immune mode.
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# Code checking THD::killed status outside kill immune mode reports an error.
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ERROR 70100: Query execution was interrupted
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connection default;
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# Disconnect and cleanup.
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DROP TABLE t1;
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disconnect con1;
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SET DEBUG_SYNC= 'RESET';
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