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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DERBY-5143) Remove unnecessary copying of the map in getTypeMap()
Date Mon, 21 Mar 2011 19:43:05 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen resolved DERBY-5143.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 10.8.0.0

Thank you, Lily, for testing the patch. I also ran suites.All and derbyall with Java 6 without
any failures.

Committed revision 1083917.

> Remove unnecessary copying of the map in getTypeMap()
> -----------------------------------------------------
>
>                 Key: DERBY-5143
>                 URL: https://issues.apache.org/jira/browse/DERBY-5143
>             Project: Derby
>          Issue Type: Improvement
>          Components: JDBC
>    Affects Versions: 10.8.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>             Fix For: 10.8.0.0
>
>         Attachments: derby-5143-1a.diff, getTypeMap-warning.diff
>
>
> The JDBC 4.0 Connection classes implement getTypeMap() by calling super.getTypeMap()
and copying the resulting map. This is done to prevent an unchecked compiler warning that
we would see if we simply returned super.getTypeMap() in this method. It would be cheaper
and simpler to return super.getTypeMap() and ignore the warning.

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