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Merge polly.(none):/home/kaa/src/opt/bug28837/my50-bug29131

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into  polly.(none):/home/kaa/src/opt/mysql-5.0-opt
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kaa@polly.(none) 2007-11-26 19:35:08 +03:00
commit e854d43af9
6 changed files with 110 additions and 4 deletions
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37
mysql-test/r/merge.result
View file

@ -881,4 +881,41 @@ CREATE TABLE t2 (c1 INT) ENGINE=MERGE UNION=(t1) INSERT_METHOD=FIRST;
CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2;
ERROR HY000: You can't specify target table 't1' for update in FROM clause
DROP TABLE t1, t2;
CREATE TABLE t1 (id INT NOT NULL, ref INT NOT NULL, INDEX (id)) ENGINE=MyISAM;
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
INSERT INTO t1 SELECT * FROM t2;
INSERT INTO t1 SELECT * FROM t2;
CREATE TABLE t3 (id INT NOT NULL, ref INT NOT NULL, INDEX (id)) ENGINE=MERGE
UNION(t1);
SELECT * FROM t3 AS a INNER JOIN t3 AS b USING (id) WHERE a.ref < b.ref;
id ref ref
4 4 5
4 4 5
4 4 5
4 4 5
SELECT * FROM t3;
id ref
1 3
2 1
3 2
4 5
4 4
1 3
2 1
3 2
4 5
4 4
DELETE FROM a USING t3 AS a INNER JOIN t3 AS b USING (id) WHERE a.ref < b.ref;
SELECT * FROM t3;
id ref
1 3
2 1
3 2
4 5
1 3
2 1
3 2
4 5
DROP TABLE t1, t2, t3;
End of 5.0 tests

22
mysql-test/r/myisam.result
View file

@ -1831,4 +1831,26 @@ SHOW TABLE STATUS LIKE 't1';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MyISAM 10 Fixed 1 # # # 3072 # # # # # # #
DROP TABLE t1;
CREATE TABLE t1 (id int NOT NULL, ref int NOT NULL, INDEX (id)) ENGINE=MyISAM;
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1 AS a INNER JOIN t1 AS b USING (id) WHERE a.ref < b.ref;
id ref ref
4 4 5
SELECT * FROM t1;
id ref
1 3
2 1
3 2
4 5
4 4
DELETE FROM a USING t1 AS a INNER JOIN t1 AS b USING (id) WHERE a.ref < b.ref;
SELECT * FROM t1;
id ref
1 3
2 1
3 2
4 5
DROP TABLE t1, t2;
End of 5.0 tests

22
mysql-test/t/merge.test
View file

@ -521,4 +521,26 @@ CREATE TABLE t2 (c1 INT) ENGINE=MERGE UNION=(t1) INSERT_METHOD=FIRST;
CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2;
DROP TABLE t1, t2;
#
# Bug #28837: MyISAM storage engine error (134) doing delete with self-join
#
CREATE TABLE t1 (id INT NOT NULL, ref INT NOT NULL, INDEX (id)) ENGINE=MyISAM;
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
INSERT INTO t1 SELECT * FROM t2;
INSERT INTO t1 SELECT * FROM t2;
CREATE TABLE t3 (id INT NOT NULL, ref INT NOT NULL, INDEX (id)) ENGINE=MERGE
UNION(t1);
SELECT * FROM t3 AS a INNER JOIN t3 AS b USING (id) WHERE a.ref < b.ref;
SELECT * FROM t3;
DELETE FROM a USING t3 AS a INNER JOIN t3 AS b USING (id) WHERE a.ref < b.ref;
SELECT * FROM t3;
DROP TABLE t1, t2, t3;
--echo End of 5.0 tests

17
mysql-test/t/myisam.test
View file

@ -1187,4 +1187,21 @@ SHOW TABLE STATUS LIKE 't1';
#--exec myisamchk -iev var/master-data/test/t1.MYI
DROP TABLE t1;
#
# Bug#28837: MyISAM storage engine error (134) doing delete with self-join
#
CREATE TABLE t1 (id int NOT NULL, ref int NOT NULL, INDEX (id)) ENGINE=MyISAM;
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1 AS a INNER JOIN t1 AS b USING (id) WHERE a.ref < b.ref;
SELECT * FROM t1;
DELETE FROM a USING t1 AS a INNER JOIN t1 AS b USING (id) WHERE a.ref < b.ref;
SELECT * FROM t1;
DROP TABLE t1, t2;
--echo End of 5.0 tests

8
sql/ha_myisam.cc
View file

@ -1602,10 +1602,14 @@ int ha_myisam::index_next_same(byte * buf,
const byte *key __attribute__((unused)),
uint length __attribute__((unused)))
{
int error;
DBUG_ASSERT(inited==INDEX);
statistic_increment(table->in_use->status_var.ha_read_next_count,
&LOCK_status);
int error=mi_rnext_same(file,buf);
&LOCK_status);
do
{
error= mi_rnext_same(file,buf);
} while (error == HA_ERR_RECORD_DELETED);
table->status=error ? STATUS_NOT_FOUND: 0;
return error;
}

8
sql/ha_myisammrg.cc
View file

@ -294,9 +294,13 @@ int ha_myisammrg::index_next_same(byte * buf,
const byte *key __attribute__((unused)),
uint length __attribute__((unused)))
{
int error;
statistic_increment(table->in_use->status_var.ha_read_next_count,
&LOCK_status);
int error=myrg_rnext_same(file,buf);
&LOCK_status);
do
{
error= myrg_rnext_same(file,buf);
} while (error == HA_ERR_RECORD_DELETED);
table->status=error ? STATUS_NOT_FOUND: 0;
return error;
}