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Posted to dev@hive.apache.org by "Jonathan Chang (Updated) (JIRA)" <ji...@apache.org> on 2012/03/12 21:50:38 UTC

[jira] [Updated] (HIVE-2714) Lots of special characters are not handled in LIKE

     [ https://issues.apache.org/jira/browse/HIVE-2714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Chang updated HIVE-2714:
---------------------------------

    Attachment: HIVE-2714.D1239.1.patch
    
> Lots of special characters are not handled in LIKE
> --------------------------------------------------
>
>                 Key: HIVE-2714
>                 URL: https://issues.apache.org/jira/browse/HIVE-2714
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jonathan Chang
>            Assignee: Jonathan Chang
>         Attachments: HIVE-2714.D1239.1.patch, HIVE-2714.D1239.1.patch
>
>
> Currently LIKE converts the string to a regular expression.  It tries to handle special characters but many are not correctly handled, e.g. +, ?, |, etc.  That code should just use Pattern.quote.

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