Have you looked at : http://www.zope.org/Members/Zen/howto/AdvZCatalogSearching it might be helpful. ----- Original Message ----- From: "Garikoitz Araolaza" <gari@eibar.org> To: <zope@zope.org> Sent: Thursday, October 18, 2001 12:37 PM Subject: [Zope] ZCatalog with OR expression

Hi!

I'm trying to get an OR expression from a catalog:

For example:

<dtml-in "Catalog(meta_type='Image', title='Z*')">

So, this way I'm having objects with meta_type='Image' AND title starting with Z.

Now, I need an OR expression:

I need cataloged objects with meta_type='Image' OR with title='Z*'

This can be done adding "two Catalogs:

<dtml-in "Catalog(meta_type='Image')+Catalog(title='Z*')">

But... this way I get some objects two times: the ones filling both expressions.

How could this be done better?

Thanks if somebody can help...

Gari

PS: The real case is more complicated, I'm searching dates between ranges... but I think that the problem is the basic solution... Thank you.

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On Thursday 18 October 2001 12:37 pm, Garikoitz Araolaza allegedly wrote:

Hi!

I'm trying to get an OR expression from a catalog:

You can use my CatalogQuery product to do this: http://www.zope.org/Members/Kaivo/CatalogQuery or you can write a custom external method to perform the propery queries and union the results. I can help with this method if you desire. /---------------------------------------------------\ Casey Duncan, Sr. Web Developer National Legal Aid and Defender Association c.duncan@nlada.org \---------------------------------------------------/