[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3643) PersistentList shouldn't add a null element where a regular element exists

[Christophe Boutter (JIRA)]

PersistentList shouldn't add a null element where a regular element exists
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                 Key: HHH-3643
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3643
             Project: Hibernate Core
          Issue Type: Improvement
          Components: core
         Environment: SVN Revision 15680, all plattforms.
            Reporter: Christophe Boutter
            Priority: Minor
         Attachments: patch.txt

The readFrom() method of PersistentList does a null padding for the indexes where there are no elements in the database. The actual problem is that the method adds a null element at the index of the next element and then replacing it with the element instead of just adding the next element.

Thus in a List without any padding you get 2n operations for a List of size n instead of just n operations.

I added a patch with a solution to the problem.

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