try:
ob = r.getObject()
ob.function()
or if that doesn't work:
ob = catalog.getobject(r.data_record_id_)
ob.function()
Bear in mind that getObject traverses to the object which is expensive both in
time and memory if the number of results is large.
hth,
-Casey
On Wednesday 29 May 2002 04:05 pm, Nicholas Henke wrote:
> Hello~~
> I am playing with using the Catalog class in ZCatalog along with
CatalogQuery
> to create a generic object layer on top of ZODB. I can index and search til
I
> am blue in the face, and I always get the correct answers. Now for the
> problems...
>
> Say I have the following obj:
> class test(Persistent):
> variable = 1
> def function(self):
> print self.__dict__
>
> now if I do:
> catalog = Catalog()
> catalog.addIndex('variable', Fieldindex('variable'))
> catalog.addColumn('variable')
> obj = test()
> catalog.catalogObject(obj, id(obj))
>
> catalog_query = CatalogQuery(catalog, "variable==1")
> results = catalog_query()
> for r in results:
> print r.variable # ok
> print r.getRID() # ok
> print r.function # NameError
>
> ...so I can get an object (a mybrains instance )back that allows me to print
> r.variable, but I cannot get r.function().
> How does one do this? Is there a mapping between RIDs in the catalog and
real
> objects somewhere? Do I need to do that mapping in an IOBtree (it would make
> the most sense since I am using id(obj) as the uid in the catalog)? Is there
> somewhere in Zope/google/web that does this?
>
> Thanks for any help!!
> Nic
>
>
>
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