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# # Test the persistent stats auto recalc when persistent stats do not exist # -- source include/have_innodb.inc -- vertical_results -- let $check_stats1 = SELECT COUNT(*) FROM mysql.innodb_table_stats WHERE table_name = 't' -- let $check_stats2 = SELECT COUNT(*) FROM mysql.innodb_index_stats WHERE table_name = 't' -- echo Test with default setting CREATE TABLE t (a INT, PRIMARY KEY (a)) ENGINE=INNODB; # the CREATE should have inserted zeroed stats -- eval $check_stats1 -- eval $check_stats2 # close the table FLUSH TABLE t; DELETE FROM mysql.innodb_index_stats WHERE table_name = 't'; DELETE FROM mysql.innodb_table_stats WHERE table_name = 't'; -- eval $check_stats1 -- eval $check_stats2 # open the table, causing stats recalc/save SELECT * FROM t; -- eval $check_stats1 -- eval $check_stats2 DROP TABLE t; -- echo Test with explicit enable CREATE TABLE t (a INT, PRIMARY KEY (a)) ENGINE=INNODB STATS_AUTO_RECALC=1; # the CREATE should have inserted zeroed stats -- eval $check_stats1 -- eval $check_stats2 # close the table FLUSH TABLE t; DELETE FROM mysql.innodb_index_stats WHERE table_name = 't'; DELETE FROM mysql.innodb_table_stats WHERE table_name = 't'; -- eval $check_stats1 -- eval $check_stats2 # open the table, causing stats recalc/save SELECT * FROM t; -- eval $check_stats1 -- eval $check_stats2 DROP TABLE t; -- echo Test with explicit disable CREATE TABLE t (a INT, PRIMARY KEY (a)) ENGINE=INNODB STATS_AUTO_RECALC=0; # the CREATE should have inserted zeroed stats -- eval $check_stats1 -- eval $check_stats2 # close the table FLUSH TABLE t; DELETE FROM mysql.innodb_index_stats WHERE table_name = 't'; DELETE FROM mysql.innodb_table_stats WHERE table_name = 't'; -- eval $check_stats1 -- eval $check_stats2 # open the table, stats should not be present, since autorecalc is disabled SELECT * FROM t; -- eval $check_stats1 -- eval $check_stats2 DROP TABLE t;