1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

Browse Source 
into  magare.gmz:/home/kgeorge/mysql/autopush/B29644-5.0-opt


sql/ha_innodb.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
mysql-test/r/innodb_mysql.result:
  5.0-opt merge
mysql-test/t/innodb_mysql.test:
  5.0-opt merge
This commit is contained in:
unknown 2007-07-23 17:07:29 +03:00
commit c29002a5b6
4 changed files with 77 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
mysql-test/r/innodb_mysql.result
View File

@ -984,4 +984,27 @@ a b c
15 1 1
16 1 1
DROP TABLE t1,t2;
CREATE TABLE t1 (a INT, PRIMARY KEY (a)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
INSERT INTO t1 SELECT a + 8 FROM t1;
INSERT INTO t1 SELECT a + 16 FROM t1;
CREATE PROCEDURE p1 ()
BEGIN
DECLARE i INT DEFAULT 50;
DECLARE cnt INT;
START TRANSACTION;
ALTER TABLE t1 ENGINE=InnoDB;
COMMIT;
START TRANSACTION;
WHILE (i > 0) DO
SET i = i - 1;
SELECT COUNT(*) INTO cnt FROM t1 LOCK IN SHARE MODE;
END WHILE;
COMMIT;
END;|
CALL p1();
CALL p1();
CALL p1();
DROP PROCEDURE p1;
DROP TABLE t1;
End of 5.0 tests

54
mysql-test/t/innodb_mysql.test
View File

@ -740,6 +740,8 @@ SELECT COUNT(*) FROM t1 FORCE INDEX(idx_b, idx_c)
set @@sort_buffer_size=default;
DROP TABLE t1,t2;
# Bug#27296 Assertion in ALTER TABLE SET DEFAULT in Linux Debug build
# (possible deadlock).
#
@ -787,4 +789,56 @@ SELECT * FROM t2 WHERE b=1 AND c=1 ORDER BY c,a;
DROP TABLE t1,t2;
#
# Bug #29644: alter table hangs if records locked in share mode by long
# running transaction
#
CREATE TABLE t1 (a INT, PRIMARY KEY (a)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
INSERT INTO t1 SELECT a + 8 FROM t1;
INSERT INTO t1 SELECT a + 16 FROM t1;
DELIMITER |;
CREATE PROCEDURE p1 ()
BEGIN
DECLARE i INT DEFAULT 50;
DECLARE cnt INT;
START TRANSACTION;
ALTER TABLE t1 ENGINE=InnoDB;
COMMIT;
START TRANSACTION;
WHILE (i > 0) DO
SET i = i - 1;
SELECT COUNT(*) INTO cnt FROM t1 LOCK IN SHARE MODE;
END WHILE;
COMMIT;
END;|
DELIMITER ;|
CONNECT (con1,localhost,root,,);
CONNECT (con2,localhost,root,,);
CONNECTION con1;
SEND CALL p1();
CONNECTION con2;
SEND CALL p1();
CONNECTION default;
CALL p1();
CONNECTION con1;
REAP;
CONNECTION con2;
REAP;
CONNECTION default;
DISCONNECT con1;
DISCONNECT con2;
DROP PROCEDURE p1;
DROP TABLE t1;
--echo End of 5.0 tests

11
sql/ha_innodb.cc
View File

@ -6721,17 +6721,6 @@ ha_innobase::store_lock(
&& !thd->tablespace_op
&& thd->lex->sql_command != SQLCOM_TRUNCATE
&& thd->lex->sql_command != SQLCOM_OPTIMIZE
#ifdef __WIN__
/* For alter table on win32 for succesful operation
completion it is used TL_WRITE(=10) lock instead of
TL_WRITE_ALLOW_READ(=6), however here in innodb handler
TL_WRITE is lifted to TL_WRITE_ALLOW_WRITE, which causes
race condition when several clients do alter table
simultaneously (bug #17264). This fix avoids the problem. */
&& thd->lex->sql_command != SQLCOM_ALTER_TABLE
#endif
&& thd->lex->sql_command != SQLCOM_CREATE_TABLE) {
lock_type = TL_WRITE_ALLOW_WRITE;

7
sql/sql_base.cc
View File

@ -2938,13 +2938,6 @@ TABLE *open_ltable(THD *thd, TABLE_LIST *table_list, thr_lock_type lock_type)
if (table)
{
#if defined( __WIN__) || defined(OS2)
/* Win32 can't drop a file that is open */
if (lock_type == TL_WRITE_ALLOW_READ)
{
lock_type= TL_WRITE;
}
#endif /* __WIN__ || OS2 */
table_list->lock_type= lock_type;
table_list->table= table;
table->grant= table_list->grant;