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Kirill Smelkov
mariadb
Commits
b518d2a8
Commit
b518d2a8
authored
Apr 10, 2007
by
unknown
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Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into magare.gmz:/home/kgeorge/mysql/autopush/B27659-5.0-opt
parents
a41b81e3
041767e1
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3
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3 changed files
with
29 additions
and
3 deletions
+29
-3
mysql-test/r/distinct.result
mysql-test/r/distinct.result
+14
-0
mysql-test/t/distinct.test
mysql-test/t/distinct.test
+13
-0
sql/sql_select.cc
sql/sql_select.cc
+2
-3
No files found.
mysql-test/r/distinct.result
View file @
b518d2a8
...
...
@@ -668,3 +668,17 @@ NULL
3
4
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES(1,1),(1,2),(1,3);
SELECT DISTINCT a, b FROM t1;
a b
1 1
1 2
1 3
SELECT DISTINCT a, a, b FROM t1;
a a b
1 1 1
1 1 2
1 1 3
DROP TABLE t1;
End of 5.0 tests
mysql-test/t/distinct.test
View file @
b518d2a8
...
...
@@ -540,3 +540,16 @@ EXPLAIN SELECT a FROM t1 GROUP BY a;
SELECT
a
FROM
t1
GROUP
BY
a
;
DROP
TABLE
t1
;
#
#Bug #27659: SELECT DISTINCT returns incorrect result set when field is
#repeated
#
#
CREATE
TABLE
t1
(
a
INT
,
b
INT
);
INSERT
INTO
t1
VALUES
(
1
,
1
),(
1
,
2
),(
1
,
3
);
SELECT
DISTINCT
a
,
b
FROM
t1
;
SELECT
DISTINCT
a
,
a
,
b
FROM
t1
;
DROP
TABLE
t1
;
--
echo
End
of
5.0
tests
sql/sql_select.cc
View file @
b518d2a8
...
...
@@ -13539,9 +13539,7 @@ create_distinct_group(THD *thd, Item **ref_pointer_array,
ORDER
*
ord_iter
;
for
(
ord_iter
=
group
;
ord_iter
;
ord_iter
=
ord_iter
->
next
)
if
((
*
ord_iter
->
item
)
->
eq
(
item
,
1
))
break
;
if
(
ord_iter
)
continue
;
goto
next_item
;
ORDER
*
ord
=
(
ORDER
*
)
thd
->
calloc
(
sizeof
(
ORDER
));
if
(
!
ord
)
...
...
@@ -13556,6 +13554,7 @@ create_distinct_group(THD *thd, Item **ref_pointer_array,
*
prev
=
ord
;
prev
=
&
ord
->
next
;
}
next_item:
ref_pointer_array
++
;
}
*
prev
=
0
;
...
...
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