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Merge olga.mysql.com:/home/igor/mysql-5.0-opt

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into  olga.mysql.com:/home/igor/dev-opt/mysql-5.0-opt-bug27257
This commit is contained in:
igor@olga.mysql.com 2007-03-20 12:20:18 -07:00
commit facd57e5fd
3 changed files with 47 additions and 0 deletions
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25
mysql-test/r/subselect.result
View File

@ -3880,3 +3880,28 @@ this is a test. 3
this is a test. 1 this is a test. 1
this is a test. 2 this is a test. 2
DROP table t1; DROP table t1;
CREATE TABLE t1 (a int, b int);
CREATE TABLE t2 (m int, n int);
INSERT INTO t1 VALUES (2,2), (2,2), (3,3), (3,3), (3,3), (4,4);
INSERT INTO t2 VALUES (1,11), (2,22), (3,32), (4,44), (4,44);
SELECT COUNT(*), a,
(SELECT m FROM t2 WHERE m = count(*) LIMIT 1)
FROM t1 GROUP BY a;
COUNT(*) a (SELECT m FROM t2 WHERE m = count(*) LIMIT 1)
2 2 2
3 3 3
1 4 1
SELECT COUNT(*), a,
(SELECT MIN(m) FROM t2 WHERE m = count(*))
FROM t1 GROUP BY a;
COUNT(*) a (SELECT MIN(m) FROM t2 WHERE m = count(*))
2 2 2
3 3 3
1 4 1
SELECT COUNT(*), a
FROM t1 GROUP BY a
HAVING (SELECT MIN(m) FROM t2 WHERE m = count(*)) > 1;
COUNT(*) a
2 2
3 3
DROP TABLE t1,t2;

21
mysql-test/t/subselect.test
View File

@ -2741,4 +2741,25 @@ SELECT * FROM (SELECT 'this is ' 'a test.' AS col1, a AS t2 FROM t1) t;
DROP table t1; DROP table t1;
#
# Bug #27257: COUNT(*) aggregated in outer query
#
CREATE TABLE t1 (a int, b int);
CREATE TABLE t2 (m int, n int);
INSERT INTO t1 VALUES (2,2), (2,2), (3,3), (3,3), (3,3), (4,4);
INSERT INTO t2 VALUES (1,11), (2,22), (3,32), (4,44), (4,44);
SELECT COUNT(*), a,
(SELECT m FROM t2 WHERE m = count(*) LIMIT 1)
FROM t1 GROUP BY a;
SELECT COUNT(*), a,
(SELECT MIN(m) FROM t2 WHERE m = count(*))
FROM t1 GROUP BY a;
SELECT COUNT(*), a
FROM t1 GROUP BY a
HAVING (SELECT MIN(m) FROM t2 WHERE m = count(*)) > 1;
DROP TABLE t1,t2;

1
sql/item_sum.cc
View File

@ -269,6 +269,7 @@ bool Item_sum::register_sum_func(THD *thd, Item **ref)
sl= sl->master_unit()->outer_select() ) sl= sl->master_unit()->outer_select() )
sl->master_unit()->item->with_sum_func= 1; sl->master_unit()->item->with_sum_func= 1;
} }
thd->lex->current_select->mark_as_dependent(aggr_sl);
return FALSE; return FALSE;
} }