[jira] Closed: (IBATIS-92) Child object created when no child record exists (due to nullValue=)

["Clinton Begin (JIRA)" <ib...@incubator.apache.org>]

     [ http://issues.apache.org/jira/browse/IBATIS-92?page=all ]
     
Clinton Begin closed IBATIS-92:
-------------------------------

    Resolution: Duplicate

duplicate of ibatis-213

> Child object created when no child record exists (due to nullValue=<somevalue>)
> -------------------------------------------------------------------------------
>
>          Key: IBATIS-92
>          URL: http://issues.apache.org/jira/browse/IBATIS-92
>      Project: iBatis for Java
>         Type: New Feature
>   Components: SQL Maps
>     Versions: 2.0.9b
>     Reporter: Karen Koch
>     Priority: Minor

>
> Child object created when no child record exists:
> One resultMap has a List property in it.  The List property has a 
>  resultMap indicated.  The resultMap of the child object (List 
>  property) has nullValue=<somevalue> specified for one or more 
>  properties.  A query written with a LEFT JOIN returns one parent 
>  record but no child records.  One would expect that one parent object 
>  would be created, but that the list property would remain as an empty 
>  list (no child objects created).  It *seems* that due to the 
>  nullValue=<somevalue> specifiers, one child object is being created anyhow.
> This issue makes it impossible (?) to support saving (some) null values to the database for a child record as needed while not unnecessarily creating a bogus child object on a select.

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