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Date: Thu, 10 May 2012 12:31:49 +0000 (UTC)
From: "Knut Anders Hatlen (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (DERBY-5755) Minor cleanup of
 DataDictionaryImpl.getRoutineList()
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     [ https://issues.apache.org/jira/browse/DERBY-5755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen updated DERBY-5755:
--------------------------------------

    Attachment: d5755-1a.diff

Attaching a patch that makes the suggested changes to the method. All the regression tests passed with the patch.
                
> Minor cleanup of DataDictionaryImpl.getRoutineList()
> ----------------------------------------------------
>
>                 Key: DERBY-5755
>                 URL: https://issues.apache.org/jira/browse/DERBY-5755
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.9.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Trivial
>         Attachments: d5755-1a.diff
>
>
> I noticed two small possibilities for improvement in DataDictionaryImpl.getRoutineList() when I worked on DERBY-5730:
> - The method always returns a list of one or zero items. Instead of creating an ArrayList, it should use Collections.singletonList() and Collections.EMPTY_LIST, which are more memory-efficient.
> - It loops through the entire SYSFUN_FUNCTIONS array, even if the matching function is found in the first cell of the array. It should break out of the loop once a match is found.

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