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https://issues.apache.org/jira/browse/TRINIDAD-772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12535516
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Matthias Weßendorf commented on TRINIDAD-772:
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looks like this is true for the 1.0.x as well
> Setting "First" to -1 makes UIXIterator scroll to the end
> ---------------------------------------------------------
>
> Key: TRINIDAD-772
> URL: https://issues.apache.org/jira/browse/TRINIDAD-772
> Project: MyFaces Trinidad
> Issue Type: Bug
> Components: Components
> Affects Versions: 1.2.2-core
> Reporter: Max Starets
> Fix For: 1.2.3-core
>
> Attachments: fixupFirst.patch
>
>
> When "first" property is set to -1, UIXIterator assumes that the row is not
> available and scrolls to the end. The logic is there to handle cases when
> some records have been deleted and "first" points to an index >= rowCount.
> However, we should not be applying this logic to a negative "first". Instead,
> it should be just set to 0.
> The affected method is UIXIteratir._fixupFirst() (see provided patch)
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