I'd think an empty collection so the client doesn't have to make any special 
concessions for null.

-----Original Message-----
From: Jakob Braeuchi [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 27, 2003 1:12 PM
To: OJB Users List
Subject: Re: Can QueryCustomizer be used to suppress foreign key queries


hi lance,

you'e the query cannot be suppressed.
btw. what should be returned for a suppressed query, null or an empty 
collection ?

jakob

Lance Eason wrote:

>I have a table that may have child records in two other tables.  This easy enough to 
>map, I just create the collection-descriptors mapping to the two child tables and OJB 
>issues queries to populate these collections.  The wrinkle is that these 
>relationships are only applicable to a small subset of the rows in the table and I 
>can tell from the other data in the row whether they are applicable or not.  There's 
>no functional issue here, but I'd rather not be doing unnecessary database queries on 
>all the rows I can clearly tell there is no need to pursue these two relationships.  
>Is there any way to enable or suppress relationships on a row by row basis?
> 
>QueryCustomizer looks promising as it takes the instance for the row and gets to 
>decide the specific query that's executed to populate the collection for that 
>instance.  I don't see a way to entirely suppress a query though.  Is there one?
>
>  
>


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