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Fix for bug #5595: NULLIF() IS NULL returns false if NULLIF() returns NULL

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gluh@gluh.mysql.r18.ru
2004-09-18 13:06:44 +04:00
parent 0b6dc49388
commit 276622c92d
4 changed files with 17 additions and 0 deletions
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mysql-test/r/func_if.result
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@ -64,3 +64,6 @@ select if(1>2,a,avg(a)) from t1;
if(1>2,a,avg(a))
1.5000
drop table t1;
SELECT NULLIF(5,5) IS NULL, NULLIF(5,5) IS NOT NULL;
NULLIF(5,5) IS NULL NULLIF(5,5) IS NOT NULL
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