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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HIVE-914) Speed up UDFJson
Date Thu, 12 Nov 2009 19:14:39 GMT

     [ https://issues.apache.org/jira/browse/HIVE-914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain resolved HIVE-914.
-----------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

Committed. Thanks Paul

> Speed up UDFJson
> ----------------
>
>                 Key: HIVE-914
>                 URL: https://issues.apache.org/jira/browse/HIVE-914
>             Project: Hadoop Hive
>          Issue Type: Improvement
>            Reporter: Paul Yang
>            Assignee: Paul Yang
>         Attachments: HIVE-914.1.patch, HIVE-914.2.patch, HIVE-914.3.patch
>
>
> In UDFJson, a new JSONObject is created for each call to evaluate(). Since it is likely
that evalue() will be called with multiple paths for a given JSON string, a performance improvement
can be realized by caching the JSONObject created from a JSON string.

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