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fixed derived table visibility scope for derived tables with union

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mysql-test/r/derived.result:
  test of error messages
mysql-test/t/derived.test:
   SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b;
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unknown
2002-12-17 23:18:19 +02:00
parent fddbc989a4
commit 65e12f2ffe
3 changed files with 16 additions and 4 deletions
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4
mysql-test/r/derived.result
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@ -1,3 +1,7 @@
SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b;
Unknown column 'a' in 'field list'
SELECT 1 as a FROM (SELECT a UNION SELECT 1) b;
Unknown column 'a' in 'field list'
drop table if exists t1,t2,t3;
CREATE TABLE t1 (a int not null, b char (10) not null);
insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');