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From "Amit Handa (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-7) Bug in NULLIF Function
Date Wed, 22 Dec 2004 10:15:14 GMT
     [ http://nagoya.apache.org/jira/browse/DERBY-7?page=comments#action_56962 ]
     
Amit Handa commented on DERBY-7:
--------------------------------

It returns for 

nullif(1,2) --> returns 1

nullif(cast(null as int),2) --> returns 0

Also it returns an int and not as a char. I took nullif() as one column of 
select statement and it ResultSetMetaData returns java.sql.Types.INTEGER.

Further Oracle works in same way.








> Bug in NULLIF Function
> ----------------------
>
>          Key: DERBY-7
>          URL: http://nagoya.apache.org/jira/browse/DERBY-7
>      Project: Derby
>         Type: Bug
>   Components: SQL
>     Versions: 10.0.2.0
>     Reporter: Tulika Agrawal
>     Priority: Minor

>
> Reporting for Christian d'Heureuse, filed on derby-dev list.
> The NULLIF built-in function of Cloudscape 10.0.1.0 beta seems to accept
> only string values.
> Examples:
>  values nullif('a','b');
>  --> OK
>  values nullif(1,2);
>  --> Error message: "ERROR 42X89: Types 'CHAR' and
>      'INTEGER' are not type compatible. (Neither type
>      is assignable to the other type.)"

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