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added FROM DUAL for derived tables

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bell@sanja.is.com.ua
2002-12-26 17:48:19 +02:00
parent 88e15cdbe8
commit d85a01db2c
3 changed files with 5 additions and 0 deletions
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mysql-test/r/derived.result
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@ -1,3 +1,6 @@
select * from (select 2 from DUAL) b;
2
2
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;