/!50717 SELECT COUNT() INTO @rocksdb_has_p_s_session_variables FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = ‘performance_schema’ AND TABLE_NAME = ‘session_variables’ */
1064 - You have an error in your SQL syntax; check the manual that corresponds to your TiDB version for the right syntax to use line 1 column 64 near “@rocksdb_has_p_s_session_variables FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = ‘performance_schema’ AND TABLE_NAME = ‘session_variables’ */”
SELECT COUNT(*) INTO @rocksdb_has_p_s_session_variables FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'performance_schema' AND TABLE_NAME = 'session_variables'