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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-519) Regex processing gets stuck when querying weblogs
Date Fri, 24 Jul 2009 09:00:14 GMT

    [ https://issues.apache.org/jira/browse/HIVE-519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12734986#action_12734986
] 

Zheng Shao commented on HIVE-519:
---------------------------------

By the way, we plan to deprecate DynamicSerDe (with all protocols) at some time, because a
lot of protocols (like TCTLSeparatedProtocol) are not real Thrift Protocols and it's overly
complicated to fit these serialization methods into Thrift.  We will still support the "ThriftDeserializer"
which supports statically generated java classes.

What do you guys think? Are there any dependencies on DynamicSerDe on your end?


> Regex processing gets stuck when querying weblogs
> -------------------------------------------------
>
>                 Key: HIVE-519
>                 URL: https://issues.apache.org/jira/browse/HIVE-519
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 0.4.0
>            Reporter: Johan Oskarsson
>            Assignee: Zheng Shao
>            Priority: Critical
>             Fix For: 0.4.0
>
>         Attachments: hive-stdout
>
>
> When running a simple query on a table similar to the apachelog table here: http://wiki.apache.org/hadoop/Hive/UserGuide
the regular expression matcher gets stuck in an infinite loop.

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