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From "Daniel John Debrunner (JIRA)" <derby-...@db.apache.org>
Subject [jira] Closed: (DERBY-1863) SQL NULL always represented as zero when mapping an INTEGER column to a Java int or Integer field using a EOD query object extended from BaseQuery
Date Fri, 06 Oct 2006 17:45:23 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1863?page=all ]

Daniel John Debrunner closed DERBY-1863.
----------------------------------------

    Resolution: Won't Fix

EoD is being dropped from JDBC 4.

> SQL NULL always represented as zero when mapping an INTEGER column to a Java int or Integer
field using a EOD query object extended from BaseQuery
> --------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-1863
>                 URL: http://issues.apache.org/jira/browse/DERBY-1863
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.2.1.6, 10.3.0.0
>         Environment: Mustang b98
>            Reporter: Daniel John Debrunner
>
> SQL INTEGER column mapped to a Java primitive int field resulted in the filed set to
zero when the SQL value was NULL.
> This means there is no way to tell if the field was NULL or not. I was expecting some
error, either at "mapping" time or at exection time.
> SQL INTEGER column mapped to a Java java.lang.Integer field resulted in the filed set
to zero when the SQL value was NULL.
> Was expecting the field to be set to Java null. Note for VARCHAR columns mapped to a
String field, the result is Java null when the SQL value is NULL.
> JDBC 4.0 spec seems silent on the expected behaviour for @Select queries and the column
mapping when the SQL value is NULL.

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