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Added test which covers nicely recent cleanup in derived tables

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dlenev@brandersnatch.localdomain
2004-12-20 09:55:06 +03:00
parent 0383b3fe6e
commit d65e78b527
2 changed files with 18 additions and 0 deletions
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5
mysql-test/r/derived.result
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@ -330,3 +330,8 @@ SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MA
min max avg
10.00 10.00 10
DROP TABLE t1;
CREATE TABLE t1 (a char(10), b char(10));
INSERT INTO t1 VALUES ('root','localhost'), ('root','%');
SELECT * FROM (SELECT (SELECT a.a FROM t1 AS a WHERE a.a = b.a) FROM t1 AS b) AS c;
ERROR 21000: Subquery returns more than 1 row
DROP TABLE t1;

13
mysql-test/t/derived.test
View File

@ -214,3 +214,16 @@ CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) N
insert into t1 values (128, 'rozn', 2, now(), 10),(128, 'rozn', 1, now(), 10);
SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
DROP TABLE t1;
#
# Test for bug #7413 "Subquery with non-scalar results participating in
# select list of derived table crashes server" aka "VIEW with sub query can
# cause the MySQL server to crash". If we have encountered problem during
# filling of derived table we should report error and perform cleanup
# properly.
#
CREATE TABLE t1 (a char(10), b char(10));
INSERT INTO t1 VALUES ('root','localhost'), ('root','%');
--error 1242
SELECT * FROM (SELECT (SELECT a.a FROM t1 AS a WHERE a.a = b.a) FROM t1 AS b) AS c;
DROP TABLE t1;