Re: Migrating to BTrees 4.x
"David Glick (Glick Software)" <[email protected]>
| Newsgroups | gmane.comp.web.zope.zodb |
|---|---|
| Message-ID | <[email protected]> |
On 1/5/17 10:01 AM, Jim Fulton wrote: > So, now the problem will move up through the application stack. :) > > And perhaps become harder. > > But surely people have built apps with BTrees 4, because BTrees 4 was > released a loooooooong time ago (late 2012), and this seatbelt was > introduced in BTrees 4.0. > > When indexing content, you will very often encounter content without a > value set, typically defaulting to None. > > When such values are indexed, you'll get an error. I don't see any > guard against this error in, for example, zope.index. > > Have people built newer apps with indexing on BTrees 4? If so, how > have you dealt with this issue? > Thanks for the release. Products.ZCatalog was updated some time ago to work with BTrees 4. It explictly checks for None and silently skips indexing it, to avoid erroring in that scenario: https://github.com/zopefoundation/Products.ZCatalog/blob/master/src/Products/PluginIndexes/unindex.py#L246 -- You received this message because you are subscribed to the Google Groups "zodb" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.