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Merge mhansson@bk-internal:/home/bk/mysql-5.0-opt

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into  linux-st28.site:/home/martin/mysql/src/bug32848/my50-bug32848
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mhansson/martin@linux-st28.site
2007-12-19 15:59:05 +01:00
parent 1a8b8eb91c 867a786549
commit 0004b99b58
6 changed files with 64 additions and 1 deletions
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24
mysql-test/r/union.result
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@ -1482,4 +1482,28 @@ ERROR HY000: Incorrect usage of UNION and INTO
SELECT a INTO DUMPFILE 'union.out.file8' FROM t1 UNION SELECT a FROM t1;
ERROR HY000: Incorrect usage of UNION and INTO
DROP TABLE t1;
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