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Posted to oak-issues@jackrabbit.apache.org by "Amit Jain (JIRA)" <ji...@apache.org> on 2014/09/30 09:28:48 UTC

[jira] [Updated] (OAK-1930) New method RangeIterator.getSize(int max)

     [ https://issues.apache.org/jira/browse/OAK-1930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amit Jain updated OAK-1930:
---------------------------
    Fix Version/s:     (was: 1.1)
                   1.1.1

> New method RangeIterator.getSize(int max)
> -----------------------------------------
>
>                 Key: OAK-1930
>                 URL: https://issues.apache.org/jira/browse/OAK-1930
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: core, jcr, query
>    Affects Versions: 1.0
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>             Fix For: 1.1.1
>
>
> The method RangeIterator.getSize() is part of the JCR API, and returns the number of items, but can also return -1 if not known.
> Currently, Oak doesn't return -1, but counts the items. This is slow (potentially very slow) if there are many items, for example, in a query result.
> I propose to add a new method RangeIterator.getSize(long max) that limits counting the entries. That way, an application can use a reasonable limit, and Oak doesn't need to count.



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