diff options
Diffstat (limited to 'mysql-test/r/union.result')
| -rw-r--r-- | mysql-test/r/union.result | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result index a8f538b6cc7..295451867c8 100644 --- a/mysql-test/r/union.result +++ b/mysql-test/r/union.result @@ -1496,4 +1496,28 @@ UNION SELECT 1,1; ERROR HY000: Incorrect usage of UNION and ORDER BY DROP TABLE t1,t2; +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1), (2), (3); +CREATE TABLE t2 SELECT * FROM (SELECT NULL) a UNION SELECT a FROM t1; +DESC t2; +Field Type Null Key Default Extra +NULL int(11) YES NULL +CREATE TABLE t3 SELECT a FROM t1 UNION SELECT * FROM (SELECT NULL) a; +DESC t3; +Field Type Null Key Default Extra +a int(11) YES NULL +CREATE TABLE t4 SELECT NULL; +DESC t4; +Field Type Null Key Default Extra +NULL binary(0) YES NULL +CREATE TABLE t5 SELECT NULL UNION SELECT NULL; +DESC t5; +Field Type Null Key Default Extra +NULL binary(0) YES NULL +CREATE TABLE t6 +SELECT * FROM (SELECT * FROM (SELECT NULL)a) b UNION SELECT a FROM t1; +DESC t6; +Field Type Null Key Default Extra +NULL int(11) YES NULL +DROP TABLE t1, t2, t3, t4, t5, t6; End of 5.0 tests |