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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2885) Wrong connection object used in EmbedConnection.clearLOBMapping()
Date Mon, 29 Jun 2009 14:09:47 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-2885:
---------------------------------

    Derby Categories: [Performance]

> Wrong connection object used in EmbedConnection.clearLOBMapping()
> -----------------------------------------------------------------
>
>                 Key: DERBY-2885
>                 URL: https://issues.apache.org/jira/browse/DERBY-2885
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.3.1.4, 10.4.1.3
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>             Fix For: 10.3.1.4, 10.4.1.3
>
>         Attachments: lobmap.diff, lobmap2.diff
>
>
> I think there are two bugs in EmbedConnection.clearLOBMapping():
>   1) It checks if lobHashMap is non-null, but it should have checked rootConnection.lobHashMap.
>   2) It calls getlobHMObj().clear() regardless of whether there is a HashMap. This creates
a HashMap object even though it's not needed, and all the subsequent transactions on that
connection have to perform cleanup on that object.

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