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prevent using expernal fields in derived tables

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bell@sanja.is.com.ua
2002-11-11 10:49:41 +02:00
parent 46a74ce73b
commit 063ffd2d67
4 changed files with 29 additions and 10 deletions
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mysql-test/t/subselect.test
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@ -137,5 +137,7 @@ CREATE TABLE `searchconthardwarefr7` (
INSERT INTO searchconthardwarefr7 (mot,topic,date,pseudo) VALUES ('joce','40143','2002-10-22','joce'), ('joce','43506','2002-10-22','joce');
SELECT numeropost,maxnumrep FROM forumconthardwarefr7 WHERE exists (SELECT 1 FROM searchconthardwarefr7 WHERE (mot='joce') AND date >= '2002-10-21' AND forumconthardwarefr7.numeropost = searchconthardwarefr7.topic) ORDER BY maxnumrep DESC LIMIT 0, 20;
-- error 1054
SELECT (SELECT 1) as a FROM (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
drop table forumconthardwarefr7, searchconthardwarefr7;