[Zope] ZCatalog query

[Andreas Jung]

--On Freitag, 6. August 2004 11:58 Uhr +0000 jens.walte at kk.net wrote:

> Hello,
> i search for a possibility to query a catalog like this:
>
> catalog({'meta_type':myobjecttype,
>          [x for x in 'keyword-index' if x.find(mysubstring) != -1]})
>
> Description:
> there is a metadata (keyword index) for urls in my catalog
> and i have to know the catalogentries with a matching substring in this
> keyword-index

KW indexes can not be search for substrings. You want to use a text index. 
But
none of the existing text indexes provides a general substring search for 
performance
reasons.

The only choice is a post-query filter.

-aj