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fixed unlocking tables during subquery execution (BUG#2048)

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mysql-test/r/subselect_innodb.result:
  bug 2048 test
mysql-test/t/subselect_innodb.test:
  bug 2048 test
sql/item_subselect.cc:
  do not unlock tables for subqueries
sql/sql_derived.cc:
  derived table tables can be unlocked
sql/sql_lex.h:
  new interface to pass additional options
sql/sql_union.cc:
  new interface to pass additional options
  do not unlock tables for UNION
This commit is contained in:
unknown
2003-12-10 22:46:14 +02:00
parent e0daf11201
commit fc75518a78
6 changed files with 52 additions and 8 deletions
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20
mysql-test/r/subselect_innodb.result
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@@ -63,3 +63,23 @@ processor_id (SELECT y.yod_id FROM t1 p2, t2 y WHERE p2.processor_id = p1.proces
2 1
3 1
drop table t1,t2,t3;
CREATE TABLE t1 (
id int(11) NOT NULL default '0',
b int(11) default NULL,
c char(3) default NULL,
PRIMARY KEY (id),
KEY t2i1 (b)
) TYPE=innodb DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES (0,0,'GPL'),(1,0,'GPL'),(2,1,'GPL'),(3,2,'GPL');
CREATE TABLE t2 (
id int(11) NOT NULL default '0',
b int(11) default NULL,
c char(3) default NULL,
PRIMARY KEY (id),
KEY t2i (b)
) TYPE=innodb DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES (0,0,'GPL'),(1,0,'GPL'),(2,1,'GPL'),(3,2,'GPL');
select (select max(id) from t2 where b=1 group by b) as x,b from t1 where b=1;
x b
2 1
drop table t1,t2;