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Posted to dev@hive.apache.org by "Carl Steinbach (JIRA)" <ji...@apache.org> on 2011/08/10 00:43:27 UTC
[jira] [Updated] (HIVE-2309) Incorrect regular expression for
extracting task id from filename
[ https://issues.apache.org/jira/browse/HIVE-2309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Carl Steinbach updated HIVE-2309:
---------------------------------
Fix Version/s: 0.8.0
> 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
> Fix For: 0.8.0
>
> Attachments: HIVE-2309.1.patch, HIVE-2309.2.patch
>
>
> For producing the correct filenames for bucketed tables, there is a method in Utilities.java that extracts out the task id from the filename and replaces it with the bucket number. There is a bug in the regex that is used to extract this value for attempt numbers >= 10:
> {code}
> >>> re.match("^.*?([0-9]+)(_[0-9])?(\\..*)?$", 'attempt_201107090429_64965_m_001210_10').group(1)
> '10'
> >>> re.match("^.*?([0-9]+)(_[0-9])?(\\..*)?$", 'attempt_201107090429_64965_m_001210_9').group(1)
> '001210'
> {code}
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