[Zope] ZCatalog in 2.2.x

Sebastien Yapo sebastien.yapo@free.fr
Sun, 03 Sep 2000 21:27:50 +0200


And how did you fix it ? I had the same kind of problem with ZCatalog an 
CatalogAware ...

Terry Kerr wrote:
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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 > > >
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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
 > >
 > > _______________________________________________
 > > Zope maillist - Zope@zope.org
 > > http://lists.zope.org/mailman/listinfo/zope
 > > ** No cross posts or HTML encoding! **
 > > (Related lists -
 > > http://lists.zope.org/mailman/listinfo/zope-announce
 > > http://lists.zope.org/mailman/listinfo/zope-dev )
--
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