[jira] Commented: (DERBY-2885) Wrong connection object used in EmbedConnection.clearLOBMapping()

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-2885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12509418 ] 

Knut Anders Hatlen commented on DERBY-2885:
-------------------------------------------

Committed revision 552325.

> 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, Performance
>    Affects Versions: 10.3.1.0, 10.3.1.1, 10.4.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>             Fix For: 10.3.1.1, 10.4.0.0
>
>         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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