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Type: Improvement Improvement
Status: Closed Closed
Resolution: Fixed
Priority: Major Major
Assignee: Unassigned
Reporter: Andy Jefferson
Votes: 0
Watchers: 0

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DataNucleus Store RDBMS

Insert of element into a (FK) List causes shift of all elements after it; make the shift statements batched

Created: 26/Nov/12 03:10 PM   Updated: 31/Dec/12 07:59 PM   Resolved: 26/Nov/12 03:12 PM
Component/s: Connection
Affects Version/s: None
Fix Version/s: 3.2.0.m2

 Description  « Hide
When we have a List field and insert an element at the start it will perform the following
1. Insert the new element
2. Shift the index value by 1 of all elements of the List from the inserted position
3. Set the new element List position

Step 2 should use batched statements (where supported by the RDBMS) but currently doesn't

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Andy Jefferson added a comment - 26/Nov/12 03:12 PM
SVN trunk makes this change