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Dir : ~/www/server/mysql/mysql-test/suite/innodb/t/

View File Name : innodb_stats_drop_locked.test

#
# Test the persistent stats feature when DROPping a table or an
# index when the corresponding rows in the stats tables are locked
#

-- source include/have_innodb.inc

-- disable_warnings
-- disable_query_log

DROP TABLE IF EXISTS innodb_stats_drop_locked;

CREATE TABLE innodb_stats_drop_locked (c INT, KEY c_key (c))
ENGINE=INNODB STATS_PERSISTENT=1;

ANALYZE TABLE innodb_stats_drop_locked;

-- enable_warnings
-- enable_query_log

SET autocommit=0;

SELECT table_name FROM mysql.innodb_table_stats
WHERE table_name='innodb_stats_drop_locked'
FOR UPDATE;

SELECT table_name FROM mysql.innodb_index_stats
WHERE table_name='innodb_stats_drop_locked'
FOR UPDATE;

-- connect (con1,localhost,root,,)

-- connection con1

ALTER TABLE innodb_stats_drop_locked DROP INDEX c_key;

# the index should be gone
SHOW CREATE TABLE innodb_stats_drop_locked;

DROP TABLE innodb_stats_drop_locked;

# the table should be gone
SHOW TABLES;

-- connection default

-- disconnect con1

COMMIT;

# the stats should be there

SELECT table_name FROM mysql.innodb_table_stats
WHERE table_name='innodb_stats_drop_locked';

SELECT table_name FROM mysql.innodb_index_stats
WHERE table_name='innodb_stats_drop_locked';

--disable_query_log
call mtr.add_suppression("Unable to delete statistics for table test.innodb_stats_drop_locked: Lock wait timeout. They can be deleted later using DELETE FROM mysql.innodb_index_stats WHERE database_name");
--enable_query_log