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# # Bug#12429573 TIMESTAMP COLUMN OF INNODB.INDEX_STATS ARE NOT UPDATED # WHEN RE-RUNNING ANALYZE # -- source include/have_innodb.inc -- source include/not_embedded.inc CREATE TABLE bug12429573 (i INTEGER PRIMARY KEY, j INTEGER, KEY(j)) ENGINE=INNODB STATS_PERSISTENT=1; ANALYZE TABLE bug12429573; # Cannot check the exact timestamp here because it is always different # but at least check that both timestamps in innodb_table_stats and in # innodb_index_stats have been updated to the same value. If the bug is # present this check will fail. SELECT last_update FROM mysql.innodb_index_stats WHERE table_name = 'bug12429573' AND last_update NOT IN (SELECT last_update FROM mysql.innodb_table_stats WHERE table_name = 'bug12429573'); # The first ANALYZE would insert timestamp e.g. 17:23:39 in both # innodb_table_stats and innodb_index_stats. The bug is that the second # ANALYZE only updates the timestamp in innodb_table_stats. In order to # check if the timestamp in innodb_index_stats has really been updated we # need it to be different from the previous one (17:23:39) with at least # one second. -- sleep 1 ANALYZE TABLE bug12429573; # If the bug is present we get the timestamps different here. SELECT last_update FROM mysql.innodb_index_stats WHERE table_name = 'bug12429573' AND last_update NOT IN (SELECT last_update FROM mysql.innodb_table_stats WHERE table_name = 'bug12429573'); DROP TABLE bug12429573;