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Date: Wed, 27 Jul 2011 23:25:09 +0000 (UTC)
From: "Siying Dong (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Updated] (HIVE-2309) Incorrect regular expression for
 extracting task id from filename
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     [ https://issues.apache.org/jira/browse/HIVE-2309?page=3Dcom.atlassian=
.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siying Dong updated HIVE-2309:
------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

commited. Thanks Paul!

> Incorrect regular expression for extracting task id from filename
> -----------------------------------------------------------------
>
>                 Key: HIVE-2309
>                 URL: https://issues.apache.org/jira/browse/HIVE-2309
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.7.1
>            Reporter: Paul Yang
>            Assignee: Paul Yang
>            Priority: Minor
>         Attachments: HIVE-2309.1.patch, HIVE-2309.2.patch
>
>
> For producing the correct filenames for bucketed tables, there is a metho=
d in Utilities.java that extracts out the task id from the filename and rep=
laces it with the bucket number. There is a bug in the regex that is used t=
o extract this value for attempt numbers >=3D 10:
> {code}
> >>> re.match("^.*?([0-9]+)(_[0=E2=80=8B-9])?(\\..*)?$", 'attempt_20110709=
0429_6496=E2=80=8B5_m_001210_10').group(1)
> '10'
> >>> re.match("^.*?([0-9]+)(_[0=E2=80=8B-9])?(\\..*)?$", 'attempt_20110709=
0429_6496=E2=80=8B5_m_001210_9').group(1)
> '001210'
> {code}

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