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func_gconcat.result, func_gconcat.test:

Browse Source 
Added a test case for bug #7769.
item_sum.h:
  Fixed bug #7769: a crash for queries with group_concat and
  having when the query table was empty.
  The bug was due an unsafe dereferencing.


sql/item_sum.h:
  Fixed bug #7769: a crash for queries with group_concat and
  having when the query table was empty.
  The bug was due an unsafe dereferencing.
mysql-test/t/func_gconcat.test:
  Added a test case for bug #7769.
mysql-test/r/func_gconcat.result:
  Added a test case for bug #7769.
This commit is contained in:
unknown
2005-01-15 01:05:00 -08:00
parent 6f70a1d909
commit 16f3170e73
3 changed files with 15 additions and 2 deletions
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7
mysql-test/t/func_gconcat.test
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@ -277,3 +277,10 @@ select group_concat(b order by b) from t1 group by a;
select group_concat(distinct b order by b) from t1 group by a;
drop table t1;
#
# bug #7769: group_concat returning null is checked in having
#
CREATE TABLE t1 (id int);
SELECT GROUP_CONCAT(id) AS gc FROM t1 HAVING gc IS NULL;
DROP TABLE t1;