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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


sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/item.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
mysql-test/r/union.result:
  Bug#32848: Manual merge
mysql-test/t/union.test:
  Bug#32848: Manual merge
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2007-12-19 15:59:05 +01:00
parent 55d284d424 94f75ffcce
commit 5480cbd69e
6 changed files with 64 additions and 1 deletions
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22
mysql-test/t/union.test
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@ -978,4 +978,26 @@ SELECT a INTO DUMPFILE 'union.out.file8' FROM t1 UNION SELECT a FROM t1;
DROP TABLE t1;
# Bug#32848: Data type conversion bug in union subselects in MySQL 5.0.38
#
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;
CREATE TABLE t3 SELECT a FROM t1 UNION SELECT * FROM (SELECT NULL) a;
DESC t3;
CREATE TABLE t4 SELECT NULL;
DESC t4;
CREATE TABLE t5 SELECT NULL UNION SELECT NULL;
DESC t5;
CREATE TABLE t6
SELECT * FROM (SELECT * FROM (SELECT NULL)a) b UNION SELECT a FROM t1;
DESC t6;
DROP TABLE t1, t2, t3, t4, t5, t6;
--echo End of 5.0 tests