[Zope] ZCatalog in 2.2.x

Terry Kerr terry@adroit.net
Sat, 02 Sep 2000 21:48:06 +1100


any word...however, i fixed the problem thanks. to Dieter Maurer

Chris McDonough wrote:

> What is the actual word you're looking for?  'blah'?
>
> Terry Kerr wrote:
> >
> > Hi,
> >
> > I can rebuild indexes and recatalog etc, it doesn't change anything.  I
> > don't see how it could change anything...it is a brand new zcatalog
> > instance.  Simply, the ZCatalog is created, the indexes are created, and
> > the zcatalog is initially empty.  Then I create one CatalogAware object,
> > and it catalogs itself.  I can see this object in the catalog, and I can
> > see the textindexed words in the vocabulary.  But when I search for a word
> > in the vocabulary using a textindex (which obviously belongs to the only
> > object in the catalog), I get an empty result.  The only way I can get a
> > non empty result it to search for the id of the object or one other
> > property I have which are indexed as field indexes.
> >
> > The product I am working on is Etailer.  If anyone is kind enough to take a
> > look, you can download it at http://e-tailer.adriot.net/download.html.  The
> > function that does the search is searchFor(), at line 419 of Etailer.py.
> > Creating an instance of etailer in 2.1.6 works fine, but creating an
> > instance of etailer in 2.2.x and the catalog doesn't work.
> >
> > i am very confused ;-).
> >
> > Chris McDonough wrote:
> >
> > > This is not right, obviously.  Can you rebuild your indexes (by deleting
> > > and reentering them), recatalog, and see if the problem goes away?  We
> > > haven't had any colluding reports of something like this, and I'm using
> > > the 2.2.1 catalog with textindexes successfully on a customer project.
> > >
> > > > -----Original Message-----
> > > > From: Terry Kerr [mailto:terry@adroit.net]
> > > > Sent: Wednesday, August 30, 2000 3:27 AM
> > > > To: pja@clari.net.au; zope@zope.org
> > > > Subject: Re: [Zope] ZCatalog in 2.2.x
> > > >
> > > >
> > > > I am not searching from a form in that sense...I am talking
> > > > about at the python
> > > > level.
> > > >
> > > > I have self.searchResults({'description':'blah'})  where
> > > > description is meta
> > > > data in the catalog and a textindex and 'blah' is in the
> > > > Vocabulary.  This
> > > > previously worked in zope2.1.6.  Now in 2.2.0 and 2.2.1 it
> > > > doesn't work.  The
> > > > only thing way I can get searchResults() to return a non
> > > > empty list is to search
> > > > using a Field index and a valid string to match with.
> > > >
> > > >
> > > > pja@clari.net.au wrote:
> > > >
> > > > > Terry Kerr <terry@adroit.net> said:
> > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I have a python product which uses a ZCatalog and CatalogAware
> > > > > > products.  The catalog has a number of Field and
> > > > TextIndex indexes.
> > > > > > Search the ZCatalog has worked fine when my product is
> > > > instantiated in
> > > > > > 2.1.6.  But now when I instantiate my product in 2.2.0 or 2.2.1,
> > > > > > searching only works when I search using a field index.
> > > > Searching using
> > > > > > a textindex always results in an empty result, even tho I
> > > > can see the
> > > > > > words I am searching for in the Vocabulary!  Any
> > > > suggestions?  I have
> > > > > > tried reindexing, completey recreating the Zcatalog,
> > > > recreating the
> > > > > > Vobulary and reindexing, and nothing has changed the
> > > > behaviour.  Are
> > > > > > textindexes simply broken?
> > > > > >
> > > > > >
> > > > > > ZCatalog seems very volatile to me!  Every time I have
> > > > upgraded way back
> > > > > > from zope2.1.3, something in zcatalog has changed and
> > > > boken my product.
> > > > > > So far I have managed to find fixes, but this one has got
> > > > me baffled!!
> > > > > >
> > > > >
> > > > > My experience has been that if field indexes are
> > > > unspecified, the catalog
> > > > > will only match where those fields are empty.  In other
> > > > words, by not
> > > > > specifing anything for the field indexes, you are actually
> > > > specifying that
> > > > > for a match, they need to be empty.
> > > > > To get around this, I put another method between the form
> > > > for entering what
> > > > > you wish to search for, and the method that actually
> > > > searches the form.  This
> > > > > method looks at the field indexes, and if nothing has been
> > > > specified, it
> > > > > doesn't pass them on to the method that does the actual search.
> > > > > An alternative to this, is to use names for the field
> > > > indexes that aren't in
> > > > > the catalog index, and then at the start of the search
> > > > method, check those
> > > > > names, and if they have a value associated with them, add
> > > > to REQUEST what the
> > > > > names in the index are with the appropriate values.
> > > > >
> > > > > There may be a better way, I'm still pretty new to Zope and
> > > > DTML sort of
> > > > > stuff.
> > > > >
> > > > > Peter Armstrong
> > > >
> > > > --
> > > > Terry Kerr (terry@adroit.net)
> > > > Adroit Internet Solutions Pty Ltd (www.adroit.net)
> > > > Phone:   +613 9563 4461
> > > > Fax:     +613 9563 3856
> > > > Mobile:  +61 414 938 124
> > > > ICQ:     79303381
> > > >
> > > >
> > > >
> > > >
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> > --
> > Terry Kerr (terry@adroit.net)
> > Adroit Internet Solutions Pty Ltd (www.adroit.net)
> > Phone:   +613 9563 4461
> > Fax:     +613 9563 3856
> > Mobile:  +61 414 938 124
> > ICQ:     79303381
> >
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--
Terry Kerr (terry@adroit.net)
Adroit Internet Solutions Pty Ltd (www.adroit.net)
Phone:   +613 9563 4461
Fax:     +613 9563 3856
Mobile:  +61 414 938 124
ICQ:     79303381