Re: Prefetching across models/databases
Re: Prefetching across models/databases
- Subject: Re: Prefetching across models/databases
- From: Travis Britt <email@hidden>
- Date: Tue, 11 Sep 2007 13:58:10 -0400
On Sep 11, 2007, at 1:33 PM, Chuck Hill wrote:
An easy way to do this is to use ERXRecursiveBatchFetching:
Hmm, this doesn't work either. If I use it to fetch the
relationship when the destination is in another database, the to-
many relationship is always empty. When I don't call
ERXRecursiveBatchFetching (and don't do any pre-fetching of that
relationship) the relationship shows the correct number of records.
I took a quick look at the Wonder code and the calls it makes into
EOF. I don't see why the relationship should be empty. That may
well be a bug in EOF. Please let us know what you turn up.
I wired up a simple subclass of EODatabaseContext so I could see what
was happening in EODatabaseContext.batchFetchRelationship(). When
that gets called by ERXRecursiveBatchFetching EOF thinks the fault
has already been fired, and is empty.
I'm currently racing a deadline, but will set up a simple test case
this weekend. Need to rule out weirdness in my model, which is
somewhat, umm, "organic" and sitting atop some byzantine legacy
databases.
tb
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