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From "Paul Yang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-236) RLIKE/REGEXP should allow matching partial strings
Date Sat, 03 Oct 2009 00:30:23 GMT

    [ https://issues.apache.org/jira/browse/HIVE-236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12761787#action_12761787
] 

Paul Yang commented on HIVE-236:
--------------------------------

Not quite ready - need to update udf1.q

> RLIKE/REGEXP should allow matching partial strings
> --------------------------------------------------
>
>                 Key: HIVE-236
>                 URL: https://issues.apache.org/jira/browse/HIVE-236
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Zheng Shao
>            Assignee: Paul Yang
>         Attachments: HIVE-236.1.patch
>
>
> The current behavior is that the regexp needs to match the whole string.
> But from mysql: ( http://dev.mysql.com/doc/refman/5.0/en/regexp.html#operator_regexp
)
> mysql> SELECT 'fofo' REGEXP '^fo';                      -> 1
> We need to make it work the same way as MySQL.

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