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Kirill Smelkov
mariadb
Commits
15b7d5e8
Commit
15b7d5e8
authored
Sep 14, 2007
by
sergefp@pylon.mylan
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Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into mysql.com:/home/psergey/mysql-5.0-bug30324
parents
7284a865
8a3e6201
Changes
3
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+46
-0
mysql-test/r/type_bit.result
mysql-test/r/type_bit.result
+15
-0
mysql-test/t/type_bit.test
mysql-test/t/type_bit.test
+14
-0
sql/item_sum.cc
sql/item_sum.cc
+17
-0
No files found.
mysql-test/r/type_bit.result
View file @
15b7d5e8
...
...
@@ -657,4 +657,19 @@ b
#
#
DROP TABLE t1;
CREATE TABLE t1 (a int, b bit(2));
INSERT INTO t1 VALUES (3, 2), (2, 3), (2, 0), (3, 2), (3, 1);
SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a;
COUNT(DISTINCT b)
2
2
DROP TABLE t1;
create table t2 (a int, b bit(2), c char(10));
INSERT INTO t2 VALUES (3, 2, 'two'), (2, 3, 'three'), (2, 0, 'zero'),
(3, 2, 'two'), (3, 1, 'one');
SELECT COUNT(DISTINCT b,c) FROM t2 GROUP BY a;
COUNT(DISTINCT b,c)
2
2
DROP TABLE t2;
End of 5.0 tests
mysql-test/t/type_bit.test
View file @
15b7d5e8
...
...
@@ -304,4 +304,18 @@ SELECT b FROM t1 GROUP BY b;
--
disable_metadata
DROP
TABLE
t1
;
#
# BUG#30324 Wrong query result for COUNT(DISTINCT(bit_column))
#
CREATE
TABLE
t1
(
a
int
,
b
bit
(
2
));
INSERT
INTO
t1
VALUES
(
3
,
2
),
(
2
,
3
),
(
2
,
0
),
(
3
,
2
),
(
3
,
1
);
SELECT
COUNT
(
DISTINCT
b
)
FROM
t1
GROUP
BY
a
;
DROP
TABLE
t1
;
create
table
t2
(
a
int
,
b
bit
(
2
),
c
char
(
10
));
INSERT
INTO
t2
VALUES
(
3
,
2
,
'two'
),
(
2
,
3
,
'three'
),
(
2
,
0
,
'zero'
),
(
3
,
2
,
'two'
),
(
3
,
1
,
'one'
);
SELECT
COUNT
(
DISTINCT
b
,
c
)
FROM
t2
GROUP
BY
a
;
DROP
TABLE
t2
;
--
echo
End
of
5.0
tests
sql/item_sum.cc
View file @
15b7d5e8
...
...
@@ -2464,6 +2464,23 @@ bool Item_sum_count_distinct::setup(THD *thd)
count_field_types
(
select_lex
,
tmp_table_param
,
list
,
0
);
tmp_table_param
->
force_copy_fields
=
force_copy_fields
;
DBUG_ASSERT
(
table
==
0
);
/*
Make create_tmp_table() convert BIT columns to BIGINT.
This is needed because BIT fields store parts of their data in table's
null bits, and we don't have methods to compare two table records, which
is needed by Unique which is used when HEAP table is used.
*/
{
List_iterator_fast
<
Item
>
li
(
list
);
Item
*
item
;
while
((
item
=
li
++
))
{
if
(
item
->
type
()
==
Item
::
FIELD_ITEM
&&
((
Item_field
*
)
item
)
->
field
->
type
()
==
FIELD_TYPE_BIT
)
item
->
marker
=
4
;
}
}
if
(
!
(
table
=
create_tmp_table
(
thd
,
tmp_table_param
,
list
,
(
ORDER
*
)
0
,
1
,
0
,
(
select_lex
->
options
|
thd
->
options
),
...
...
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