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nexedi
MariaDB
Commits
d044d9f0
Commit
d044d9f0
authored
16 years ago
by
gshchepa/uchum@host.loc
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Merge host.loc:/work/bk/5.0-bugteam
into host.loc:/work/bk/5.1-bugteam
parents
faa13308
80b16212
Branches unavailable
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No related merge requests found
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4 changed files
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+113
-0
mysql-test/r/multi_update_tiny_hash.result
mysql-test/r/multi_update_tiny_hash.result
+45
-0
mysql-test/t/multi_update_tiny_hash-master.opt
mysql-test/t/multi_update_tiny_hash-master.opt
+1
-0
mysql-test/t/multi_update_tiny_hash.test
mysql-test/t/multi_update_tiny_hash.test
+61
-0
sql/sql_update.cc
sql/sql_update.cc
+6
-0
No files found.
mysql-test/r/multi_update_tiny_hash.result
0 → 100644
View file @
d044d9f0
drop table if exists t1, t2;
#
# Bug #36676: multiupdate using LEFT JOIN updates only
# first row or fails with an error:
# ERROR 1022 (23000): Can't write; duplicate key in table ''
#
#
# Multiupdate creates MyISAM temporary table without MEMORY table
#
CREATE TABLE t1 (ID INT);
CREATE TABLE t2 (ID INT,
s1 TEXT, s2 TEXT, s3 VARCHAR(10), s4 TEXT, s5 VARCHAR(10));
INSERT INTO t1 VALUES (1),(2);
INSERT INTO t2 VALUES (1,'test', 'test', 'test', 'test', 'test'),
(2,'test', 'test', 'test', 'test', 'test');
SELECT * FROM t1 LEFT JOIN t2 USING(ID);
ID s1 s2 s3 s4 s5
1 test test test test test
2 test test test test test
UPDATE t1 LEFT JOIN t2 USING(ID) SET s1 = 'changed';
UPDATE t1 JOIN t2 USING(ID) SET s2 = 'changed';
UPDATE t1 LEFT JOIN t2 USING(ID) SET s3 = 'changed';
UPDATE t1 LEFT JOIN t2 USING(ID) SET s4 = 'changed', s5 = 'changed';
SELECT * FROM t1 LEFT JOIN t2 USING(ID);
ID s1 s2 s3 s4 s5
1 changed changed changed changed changed
2 changed changed changed changed changed
DROP TABLE t1, t2;
#
# Multiupdate creates temporary MyISAM table from MEMORY table
#
CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE t2 (id INT, s1 CHAR(255));
INSERT INTO t1 VALUES (0), (0), (0), (0), (0), (0), (0), (0);
INSERT INTO t1 (SELECT 0 FROM t1);
INSERT INTO t1 (SELECT 0 FROM t1);
INSERT INTO t1 (SELECT 0 FROM t1);
INSERT INTO t2 (SELECT ID, 'a' FROM t1);
UPDATE t1 LEFT JOIN t2 USING(id) SET s1 = 'b';
SELECT DISTINCT s1 FROM t1 LEFT JOIN t2 USING(id);
s1
b
DROP TABLE t1, t2;
# End of 5.0 tests
This diff is collapsed.
Click to expand it.
mysql-test/t/multi_update_tiny_hash-master.opt
0 → 100644
View file @
d044d9f0
--set-variable=max_heap_table_size=16384
This diff is collapsed.
Click to expand it.
mysql-test/t/multi_update_tiny_hash.test
0 → 100644
View file @
d044d9f0
#
# Test of update statement that uses many tables,
# --max_heap_table_size=1
#
--
disable_warnings
drop
table
if
exists
t1
,
t2
;
--
enable_warnings
--
echo
#
--
echo
# Bug #36676: multiupdate using LEFT JOIN updates only
--
echo
# first row or fails with an error:
--
echo
# ERROR 1022 (23000): Can't write; duplicate key in table ''
--
echo
#
--
echo
--
echo
#
--
echo
# Multiupdate creates MyISAM temporary table without MEMORY table
--
echo
#
CREATE
TABLE
t1
(
ID
INT
);
CREATE
TABLE
t2
(
ID
INT
,
s1
TEXT
,
s2
TEXT
,
s3
VARCHAR
(
10
),
s4
TEXT
,
s5
VARCHAR
(
10
));
INSERT
INTO
t1
VALUES
(
1
),(
2
);
INSERT
INTO
t2
VALUES
(
1
,
'test'
,
'test'
,
'test'
,
'test'
,
'test'
),
(
2
,
'test'
,
'test'
,
'test'
,
'test'
,
'test'
);
SELECT
*
FROM
t1
LEFT
JOIN
t2
USING
(
ID
);
UPDATE
t1
LEFT
JOIN
t2
USING
(
ID
)
SET
s1
=
'changed'
;
UPDATE
t1
JOIN
t2
USING
(
ID
)
SET
s2
=
'changed'
;
UPDATE
t1
LEFT
JOIN
t2
USING
(
ID
)
SET
s3
=
'changed'
;
UPDATE
t1
LEFT
JOIN
t2
USING
(
ID
)
SET
s4
=
'changed'
,
s5
=
'changed'
;
SELECT
*
FROM
t1
LEFT
JOIN
t2
USING
(
ID
);
DROP
TABLE
t1
,
t2
;
--
echo
#
--
echo
# Multiupdate creates temporary MyISAM table from MEMORY table
--
echo
#
CREATE
TABLE
t1
(
id
INT
NOT
NULL
AUTO_INCREMENT
PRIMARY
KEY
);
CREATE
TABLE
t2
(
id
INT
,
s1
CHAR
(
255
));
# insert [1..64] into table `t1`
INSERT
INTO
t1
VALUES
(
0
),
(
0
),
(
0
),
(
0
),
(
0
),
(
0
),
(
0
),
(
0
);
INSERT
INTO
t1
(
SELECT
0
FROM
t1
);
INSERT
INTO
t1
(
SELECT
0
FROM
t1
);
INSERT
INTO
t1
(
SELECT
0
FROM
t1
);
INSERT
INTO
t2
(
SELECT
ID
,
'a'
FROM
t1
);
UPDATE
t1
LEFT
JOIN
t2
USING
(
id
)
SET
s1
=
'b'
;
SELECT
DISTINCT
s1
FROM
t1
LEFT
JOIN
t2
USING
(
id
);
DROP
TABLE
t1
,
t2
;
--
echo
# End of 5.0 tests
This diff is collapsed.
Click to expand it.
sql/sql_update.cc
View file @
d044d9f0
...
@@ -1669,6 +1669,12 @@ bool multi_update::send_data(List<Item> ¬_used_values)
...
@@ -1669,6 +1669,12 @@ bool multi_update::send_data(List<Item> ¬_used_values)
tbl
->
file
->
position
(
tbl
->
record
[
0
]);
tbl
->
file
->
position
(
tbl
->
record
[
0
]);
memcpy
((
char
*
)
tmp_table
->
field
[
field_num
]
->
ptr
,
memcpy
((
char
*
)
tmp_table
->
field
[
field_num
]
->
ptr
,
(
char
*
)
tbl
->
file
->
ref
,
tbl
->
file
->
ref_length
);
(
char
*
)
tbl
->
file
->
ref
,
tbl
->
file
->
ref_length
);
/*
For outer joins a rowid field may have no NOT_NULL_FLAG,
so we have to reset NULL bit for this field.
(set_notnull() resets NULL bit only if available).
*/
tmp_table
->
field
[
field_num
]
->
set_notnull
();
field_num
++
;
field_num
++
;
}
while
((
tbl
=
tbl_it
++
));
}
while
((
tbl
=
tbl_it
++
));
...
...
This diff is collapsed.
Click to expand it.
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