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Merge ibabaev@bk-internal.mysql.com:/home/bk/mysql-4.1

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into igor-inspiron.creware.com:/home/igor/mysql-4.1
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igor@igor-inspiron.creware.com
2005-07-08 06:37:09 -07:00
parent 8b6c6eea49 c896dd4f40
commit 3c98b0132e
3 changed files with 25 additions and 2 deletions
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12
mysql-test/r/olap.result
View File

@ -504,3 +504,15 @@ IFNULL(a, 'TEST') COALESCE(b, 'TEST')
4 TEST 4 TEST
TEST TEST TEST TEST
DROP TABLE t1,t2; DROP TABLE t1,t2;
CREATE TABLE t1 (a INT(10) NOT NULL, b INT(10) NOT NULL);
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (1, 2);
SELECT a, b, a AS c, COUNT(*) AS count FROM t1 GROUP BY a, b, c WITH ROLLUP;
a b c count
1 1 1 1
1 1 NULL 1
1 2 1 1
1 2 NULL 1
1 NULL NULL 2
NULL NULL NULL 2
DROP TABLE t1;

11
mysql-test/t/olap.test
View File

@ -238,3 +238,14 @@ SELECT IFNULL(a, 'TEST'), COALESCE(b, 'TEST') FROM t2
DROP TABLE t1,t2; DROP TABLE t1,t2;
#
# Test for bug #11543: ROLLUP query with a repeated column in GROUP BY
#
CREATE TABLE t1 (a INT(10) NOT NULL, b INT(10) NOT NULL);
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (1, 2);
SELECT a, b, a AS c, COUNT(*) AS count FROM t1 GROUP BY a, b, c WITH ROLLUP;
DROP TABLE t1;

4
sql/sql_select.cc
View File

@ -9330,7 +9330,7 @@ bool JOIN::rollup_init()
ORDER *group_tmp; ORDER *group_tmp;
for (group_tmp= group_list; group_tmp; group_tmp= group_tmp->next) for (group_tmp= group_list; group_tmp; group_tmp= group_tmp->next)
{ {
if (item->eq(*group_tmp->item,0)) if (*group_tmp->item == item)
item->maybe_null= 1; item->maybe_null= 1;
} }
if (item->type() == Item::FUNC_ITEM) if (item->type() == Item::FUNC_ITEM)
@ -9452,7 +9452,7 @@ bool JOIN::rollup_make_fields(List<Item> &fields_arg, List<Item> &sel_fields,
for (group_tmp= start_group, i= pos ; for (group_tmp= start_group, i= pos ;
group_tmp ; group_tmp= group_tmp->next, i++) group_tmp ; group_tmp= group_tmp->next, i++)
{ {
if (item->eq(*group_tmp->item,0)) if (*group_tmp->item == item)
{ {
/* /*
This is an element that is used by the GROUP BY and should be This is an element that is used by the GROUP BY and should be