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3f12a5968a
In commit b1742a5c95 we forgot
FLUSH TABLES, potentially causing errors for MyISAM system tables.
44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
--source include/have_innodb.inc
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--source include/have_debug.inc
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--source include/have_debug_sync.inc
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# Embedded server does not support restarting
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--source include/not_embedded.inc
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--disable_query_log
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FLUSH TABLES;
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--enable_query_log
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--echo #
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--echo # Bug#20872655 XA ROLLBACK IS NOT CRASH-SAFE
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--echo #
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CREATE TABLE t(a INT PRIMARY KEY, b INT UNIQUE) ENGINE=INNODB;
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INSERT INTO t SET a=0;
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connect (con1,localhost,root);
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XA START 'zombie';
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INSERT INTO t SET a=1;
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UPDATE t SET b=1 WHERE a=1;
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SELECT COUNT(*) FROM t;
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XA END 'zombie';
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XA PREPARE 'zombie';
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SET DEBUG_SYNC='trx_after_rollback_row SIGNAL s1 WAIT_FOR s2';
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--send XA ROLLBACK 'zombie'
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR s1';
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# Ensure that the state change from XA PREPARE to ACTIVE gets flushed
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# to the redo log. Without this, it could be that we will recover to
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# a state that precedes the start of the XA ROLLBACK.
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SET GLOBAL innodb_flush_log_at_trx_commit=1;
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DELETE FROM t LIMIT 1;
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let $shutdown_timeout=0;
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--source include/restart_mysqld.inc
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disconnect con1;
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# If the trx_undo_set_state_at_prepare() is omitted at the start of
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# XA ROLLBACK, then the XA COMMIT would succeed and the table would
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# incorrectly show the result of the INSERT but not the UPDATE,
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# because we would commit a partially rolled back transaction.
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--error ER_XAER_NOTA
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XA COMMIT 'zombie';
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SELECT * FROM t;
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DROP TABLE t;
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