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processing of subselect in global ORDER BY (fifed crash of server)

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this implementation have limitation: prohibited subselect in ORDER BY dependence of most outer query (will be solved after removing passing first select_lex as fake select for global mysql_select())
This commit is contained in:
bell@sanja.is.com.ua
2003-03-11 01:06:28 +02:00
parent 9c8838749f
commit c96e588490
6 changed files with 76 additions and 13 deletions
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8
mysql-test/r/subselect.result
View File

@@ -458,6 +458,14 @@ Subselect returns more than 1 record
select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
Subselect returns more than 1 record
drop table t1;
create table t1 (a int);
insert into t1 values (1),(2),(3);
(select * from t1) union (select * from t1) order by (select a from t1 limit 1);
a
1
2
3
drop table t1;
CREATE TABLE t1 (field char(1) NOT NULL DEFAULT 'b');
INSERT INTO t1 VALUES ();
SELECT field FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) a HAVING field='b');

5
mysql-test/t/subselect.test
View File

@@ -244,6 +244,11 @@ select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
drop table t1;
create table t1 (a int);
insert into t1 values (1),(2),(3);
(select * from t1) union (select * from t1) order by (select a from t1 limit 1);
drop table t1;
#iftest
CREATE TABLE t1 (field char(1) NOT NULL DEFAULT 'b');
INSERT INTO t1 VALUES ();