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Bug #16255: Subquery in WHERE (the cset by Georgi Kodinov)

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Must not use Item_direct_ref in HAVING because it points to
 the new value (witch is not yet calculated for the first row).


mysql-test/r/subselect.result:
  Bug #16255: Subquery in where
   - test case
mysql-test/t/subselect.test:
  Bug #16255: Subquery in where
   - test case
sql/item_subselect.cc:
  Bug #16255: Subquery in where
   Must not use Item_direct_ref in HAVING because it points to
   the new value (witch is not yet calculated for the first row).
This commit is contained in:
unknown 2006-08-24 19:14:36 +04:00
commit c74c819533
3 changed files with 28 additions and 5 deletions
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11
mysql-test/r/subselect.result
View file

@ -2895,3 +2895,14 @@ select * from t1 where NOT(s1 = ALL (select s1/s1 from t1));
s1
2
drop table t1;
CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a,b));
INSERT INTO t1 VALUES(26, 1), (48, 2);
SELECT * FROM t1 r WHERE (r.a,r.b) IN (SELECT a,MAX(b) FROM t1 GROUP BY a);
a b
26 1
48 2
SELECT * FROM t1 r WHERE (r.a,r.b) IN (SELECT a + 0,MAX(b) FROM t1 GROUP BY a);
a b
26 1
48 2
DROP TABLE t1;

12
mysql-test/t/subselect.test
View file

@ -1861,4 +1861,16 @@ select * from t1 where NOT(s1+1 = ANY (select s1 from t1));
select * from t1 where (s1 = ALL (select s1/s1 from t1));
select * from t1 where NOT(s1 = ALL (select s1/s1 from t1));
drop table t1;
#
# Bug #16255: Subquery in where
#
CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a,b));
INSERT INTO t1 VALUES(26, 1), (48, 2);
SELECT * FROM t1 r WHERE (r.a,r.b) IN (SELECT a,MAX(b) FROM t1 GROUP BY a);
SELECT * FROM t1 r WHERE (r.a,r.b) IN (SELECT a + 0,MAX(b) FROM t1 GROUP BY a);
DROP TABLE t1;
# End of 4.1 tests