# # Test that mysqld does not crash when running ANALYZE TABLE with # different values of the parameter innodb_stats_sample_pages. # -- source include/have_innodb.inc # we care only that the following SQL commands do not produce errors # and do not crash the server -- disable_query_log -- disable_result_log -- enable_warnings SET @old_innodb_stats_sample_pages=@@innodb_stats_sample_pages; SET GLOBAL innodb_stats_sample_pages=0; # check that the value has been adjusted to 1 -- enable_result_log SHOW VARIABLES LIKE 'innodb_stats_sample_pages'; -- disable_result_log CREATE TABLE innodb_analyze ( a INT, b INT, KEY(a), KEY(b,a) ) ENGINE=InnoDB; # test with empty table ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=2; ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=4; ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=8; ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=16; ANALYZE TABLE innodb_analyze; INSERT INTO innodb_analyze VALUES (1,1), (1,1), (1,2), (1,3), (1,4), (1,5), (8,1), (8,8), (8,2), (7,1), (1,4), (3,5); SET GLOBAL innodb_stats_sample_pages=1; ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=2; ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=4; ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=8; ANALYZE TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=16; ANALYZE TABLE innodb_analyze; DROP TABLE innodb_analyze; SET GLOBAL innodb_stats_sample_pages=@old_innodb_stats_sample_pages;