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78 lines
1.7 KiB
Text
78 lines
1.7 KiB
Text
########################################################################
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# Tests for BACKUP STAGE locking that requires debug.
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########################################################################
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--source include/have_debug_sync.inc
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--source include/have_innodb.inc
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--echo #
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--echo # Make sure pending LOCK TABLES doesn't block BACKUP STAGE
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--echo #
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CREATE TABLE t1(a INT);
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LOCK TABLE t1 READ;
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--echo #
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connect (con1,localhost,root,,);
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SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL ready';
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--send LOCK TABLE t1 WRITE
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--echo #
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connect (con2,localhost,root,,);
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SET DEBUG_SYNC= 'now WAIT_FOR ready';
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE END;
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disconnect con2;
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--echo #
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connection default;
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UNLOCK TABLES;
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--echo #
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connection con1;
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reap;
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UNLOCK TABLES;
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disconnect con1;
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--echo #
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connection default;
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DROP TABLE t1;
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SET DEBUG_SYNC= 'RESET';
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--echo #
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--echo # Demonstrates a deadlock if BACKUP namespace is reorder after SCHEMA.
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--echo # Culprit is ALTER TABLE taking SCHEMA lock on target database after
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--echo # BACKUP lock was acquired.
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--echo #
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CREATE DATABASE test2;
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CREATE TABLE t1(a INT) ENGINE=InnoDB;
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SET DEBUG_SYNC='alter_opened_table SIGNAL ready WAIT_FOR go';
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send ALTER TABLE t1 RENAME TO test2.t1;
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connect (con1,localhost,root,,);
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SET DEBUG_SYNC='now WAIT_FOR ready';
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BACKUP STAGE START;
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SET DEBUG_SYNC='mdl_acquire_lock_wait SIGNAL ready1';
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send BACKUP STAGE BLOCK_DDL;
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connect (con2,localhost,root,,);
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SET DEBUG_SYNC='now WAIT_FOR ready1';
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SET DEBUG_SYNC='mdl_acquire_lock_wait SIGNAL go';
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send DROP DATABASE test2;
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connection default;
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reap;
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connection con1;
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reap;
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disconnect con1;
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connection con2;
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reap;
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disconnect con2;
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connection default;
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SET DEBUG_SYNC='reset';
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