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Od: Bryan Lewis <jbryanlewi..mail.com>
Predmet: failure to commit part of the changes
Dátum: Fri, 30 Oct 2009 17:48:33 -0400
A weird one here... I'm looking for advice on how to debug it. Using
Cayenne 3.0M6 on Oracle 8 (but for once I don't think Oracle is the
One operation in our app commits a moderately large set of changes. 26 new
or modified objects. ONE of the modified objects doesn't get any SQL
generated and doesn't get written to the database. I've never seen this
I skimmed through the outstanding Jira list. The discussion of CAY-1008
says, "Cayenne will not maintain the object graph consistency if there are
multiple relationships between 2 entities, spanning the same set of joins."
Could this explain the symptom? If so...
Should I verify that our model has no redundant relationships? Are there
any helpful tools for this, other than manually sifting through the
DataMap? (It's 11,000 lines long.)
Our model has a lot of reverse relationships that we don't use, left over
from Cayenne 2. What's the design guideline now? Should we delete all such
unneeded DbRelationships? Or should we keep them and add matching
ObjRelationships for all of them? That is, would it be better to let
Cayenne add runtimeRelationships or to avoid runtimeRelationships?
I suppose I could step through the Cayenne's traversal of the object graph
in the debugger, if nobody has any tips.
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