Commit 770e0e81 authored by unknown's avatar unknown
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Fixed bug #14274: a query with a having clause containing only set function... 

Fixed bug #14274: a query with a having clause containing only set function returned a wrong result set.


mysql-test/r/having.result:
  Added a test case for bug #14274.
mysql-test/t/having.test:
  Added a test case for bug #14274.
sql/sql_select.cc:
  Fixed bug #14274: a query with a having clause containing only set function returned a wrong result set.
  It happened because processing of the set functions in having started with a call of the split_sum_func
  method, instead of the split_sum_func2 method.
parent f577d864

mysql-test/r/having.result

+13 −0
Original line number Diff line number Diff line
@@ -128,3 +128,16 @@ id description c 
1	test	0

2	test2	0

drop table t1,t2,t3;

CREATE TABLE t1 (a int);

INSERT INTO t1 VALUES (3), (4), (1), (3), (1);

SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a)>0;

SUM(a)

2

6

4

SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a);

SUM(a)

2

6

4

DROP TABLE t1;

mysql-test/t/having.test

+12 −0
Original line number Diff line number Diff line
@@ -123,4 +123,16 @@ group by a.id, a.description 
having (a.description is not null) and (c=0);

drop table t1,t2,t3;



#

# Bug #14274: HAVING clause containing only set function

#



CREATE TABLE t1 (a int);

INSERT INTO t1 VALUES (3), (4), (1), (3), (1);



SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a)>0;

SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a);



DROP TABLE t1;



# End of 4.1 tests

sql/sql_select.cc

+1 −1
Original line number Diff line number Diff line
@@ -287,7 +287,7 @@ JOIN::prepare(Item ***rref_pointer_array, 
    if (having_fix_rc || thd->net.report_error)

      DBUG_RETURN(-1);				/* purecov: inspected */

    if (having->with_sum_func)

      having->split_sum_func(thd, ref_pointer_array, all_fields);

      having->split_sum_func2(thd, ref_pointer_array, all_fields, &having);

  }



  // Is it subselect