--source include/have_innodb.inc # This is the test for bug #54044. Special handle MYSQL_TYPE_NULL type # during create table, so it will not trigger assertion failure. # This 'create table' operation no longer uses the NULL datatype. CREATE TEMPORARY TABLE table_54044 ENGINE = INNODB AS SELECT IF(NULL IS NOT NULL, NULL, NULL); SHOW CREATE TABLE table_54044; CREATE TEMPORARY TABLE tmp1 ENGINE = INNODB AS SELECT COALESCE(NULL, NULL, NULL); CREATE TEMPORARY TABLE tmp2 ENGINE = INNODB AS SELECT GREATEST(NULL, NULL);