diff --git a/db/routines/util/procedures/slowLog_prune.sql b/db/routines/util/procedures/slowLog_prune.sql index 7294be2f65..d676ae3d9c 100644 --- a/db/routines/util/procedures/slowLog_prune.sql +++ b/db/routines/util/procedures/slowLog_prune.sql @@ -6,16 +6,24 @@ BEGIN */ DECLARE vSlowQueryLog INT DEFAULT @@slow_query_log; DECLARE vSqlLogBin INT DEFAULT @@SESSION.sql_log_bin; + DECLARE vLogExists BOOL; SET sql_log_bin = OFF; SET GLOBAL slow_query_log = OFF; - RENAME TABLE `mysql`.`slow_log` TO `mysql`.`slow_log_temp`; + SELECT COUNT(*) > 0 INTO vLogExists + FROM information_schema.TABLES + WHERE TABLE_SCHEMA = 'mysql' AND TABLE_NAME = 'slow_log'; - DELETE FROM `mysql`.`slow_log_temp` + IF vLogExists THEN + DROP TEMPORARY TABLE IF EXISTS mysql.slow_log_temp; + RENAME TABLE mysql.slow_log TO mysql.slow_log_temp; + END IF; + + DELETE FROM mysql.slow_log_temp WHERE start_time < TIMESTAMPADD(WEEK, -1, util.VN_NOW()); - RENAME TABLE `mysql`.`slow_log_temp` TO `mysql`.`slow_log`; + RENAME TABLE mysql.slow_log_temp TO mysql.slow_log; SET GLOBAL slow_query_log = vSlowQueryLog; SET sql_log_bin = vSqlLogBin;