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Current File : /www/server/mysql/src/mysql-test/suite/innodb/t/innodb_stats_create_on_corrupted.test
#
# Test creating a persistent stats table on nonexistent or corrupted
# persistent storage
#

-- source include/have_innodb.inc
# Various sizes printed in this test depend on the page size and the
# functionality tested here is not related to the page size, so we only
# test with 16k page size.
-- source include/have_innodb_16k.inc

--disable_query_log
call mtr.add_suppression("\\[ERROR\\] InnoDB: Table `mysql`.`innodb_index_stats` not found");
call mtr.add_suppression("\\[ERROR\\] InnoDB: Fetch of persistent statistics requested for table");
--enable_query_log

-- vertical_results

# corrupt the persistent storage
ALTER TABLE mysql.innodb_index_stats RENAME TO mysql.innodb_index_stats_;

CREATE TABLE test_ps_create_on_corrupted
(a INT, PRIMARY KEY (a))
ENGINE=INNODB STATS_PERSISTENT=1;

# check the stats (should have been generated using the old transient stats
# method)
SELECT seq_in_index, column_name, cardinality
FROM information_schema.statistics WHERE table_name = 'test_ps_create_on_corrupted'
ORDER BY index_name, seq_in_index;

SELECT table_rows, avg_row_length, max_data_length, index_length
FROM information_schema.tables WHERE table_name = 'test_ps_create_on_corrupted';

# restore the persistent storage
ALTER TABLE mysql.innodb_index_stats_ RENAME TO mysql.innodb_index_stats;

DROP TABLE test_ps_create_on_corrupted;

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