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| Re: Valid Fetch Types [message #94227 is a reply to message #94149] |
Sun, 26 August 2007 05:58  |
 Martin Taal
Messages: 5468
Registered: July 2009 |
Senior Member |
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Hi Jason,
The subselect is a hibernate specific annotation so these can be found in the HbAnnotation package
in the hibernate.mapper plugin. You can set a @Fetch annotation on an ereference which again can
contain a HbFetchType.SUBSELECT (see the hibernate annotations manual), the annotation is called
HbFetchType to distinguish it from the jpa FetchType. Can you let me know if this works as I do not
have a testcase for this specific case?
No problem about the soap tutorial (good that it works fine).
gr. Martin
Jason Henriksen wrote:
> Hi Martin,
>
> I'm trying to initialize a collection of objects and it creates a join
> query. Because I'm joining two table with many millions of records these
> queries take over a minute to perform.
>
> I noticed in the hibernate documentation that you could set the fetch type
> to 'subselect' and supposedly it would not use the join for this query. I'm
> not sure if that would even work, but when I tried it I found that subselect
> isn't listed in FetchType. Do you know if it should be, or am I barking up
> the wrong tree?
>
> If this is an area where I can be of any service, either by adding the type
> and wiring it up to hibernate or providing some exaple documentation just
> let me know.
> (By the way, I haven't forgotten about putting together a Teneo+SOAP
> tutorial. I'm just trying to make sure all of my stuff works happily before
> telling other people who to do it. However, you'll be pleased to know that
> I take objects out of soap, load and save them and then return them as SOAP
> quite nicely now so a tutorial shouldn't be too far off.)
>
> Thanks for any help you can offer,
>
> Jason
>
>
--
With Regards, Martin Taal
Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org
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| Re: Valid Fetch Types [message #609528 is a reply to message #94149] |
Sun, 26 August 2007 05:58 |
Martin Taal
Messages: 5468
Registered: July 2009 |
Senior Member |
|
|
Hi Jason,
The subselect is a hibernate specific annotation so these can be found in the HbAnnotation package
in the hibernate.mapper plugin. You can set a @Fetch annotation on an ereference which again can
contain a HbFetchType.SUBSELECT (see the hibernate annotations manual), the annotation is called
HbFetchType to distinguish it from the jpa FetchType. Can you let me know if this works as I do not
have a testcase for this specific case?
No problem about the soap tutorial (good that it works fine).
gr. Martin
Jason Henriksen wrote:
> Hi Martin,
>
> I'm trying to initialize a collection of objects and it creates a join
> query. Because I'm joining two table with many millions of records these
> queries take over a minute to perform.
>
> I noticed in the hibernate documentation that you could set the fetch type
> to 'subselect' and supposedly it would not use the join for this query. I'm
> not sure if that would even work, but when I tried it I found that subselect
> isn't listed in FetchType. Do you know if it should be, or am I barking up
> the wrong tree?
>
> If this is an area where I can be of any service, either by adding the type
> and wiring it up to hibernate or providing some exaple documentation just
> let me know.
> (By the way, I haven't forgotten about putting together a Teneo+SOAP
> tutorial. I'm just trying to make sure all of my stuff works happily before
> telling other people who to do it. However, you'll be pleased to know that
> I take objects out of soap, load and save them and then return them as SOAP
> quite nicely now so a tutorial shouldn't be too far off.)
>
> Thanks for any help you can offer,
>
> Jason
>
>
--
With Regards, Martin Taal
Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org
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