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NVL or COALESCE

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alexkun

Post subject: NVL or COALESCE

Posted: Thu Nov 10, 2011 8:28 pm

Newbie

Joined: Mon Oct 24, 2011 5:46 pm
Posts: 3

Hi.

I need to execute a query with NVL or COALESCE like

Code:

Select NVL(sum(cantidad),0) as cantidad .....

I'm currently doing the following code

Code:

DetachedCriteria criteria = DetachedCriteria.forClass(Inventario.class);
criteria.setProjection(Projections.alias(Projections.sum("cantidad"), "cantidad"));
... 

I can get a right value ( != null ) or a null value, so when is null, an Exception occurs because "cantidad" is a primitive attribute (it's a NotNull column).

How can I get this on Hibernate ??

thks.

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