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Key: NUCCORE-823
Type: Improvement Improvement
Status: Open Open
Priority: Major Major
Assignee: Unassigned
Reporter: Andy Jefferson
Votes: 0
Watchers: 0

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DataNucleus Core

Change SCO backing store for List to not do clear/addAll on an update to a collection

Created: 19/Mar/12 07:13 PM   Updated: 19/Mar/12 07:13 PM
Component/s: Java Types, Persistence
Affects Version/s: None
Fix Version/s: None

 Description  « Hide
When a user has a Collection field and calls

this currently creates the SCO (with backing store) and then does a

This is firstly inefficient, and secondly can result in objects being deleted unecessarily when we have dependent elements. Obviously working out the most optimum order of additions/sets/deletions for a List is non-trivial

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