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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-2641) Implicit wildcard in LIKE predicate search pattern
Date Fri, 26 Aug 2016 18:44:20 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15439548#comment-15439548
] 

ASF GitHub Bot commented on PHOENIX-2641:
-----------------------------------------

GitHub user kliewkliew opened a pull request:

    https://github.com/apache/phoenix/pull/200

    PHOENIX-2641 Implicit wildcard in LIKE predicate search pattern

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/kliewkliew/phoenix PHOENIX-2641

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/phoenix/pull/200.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #200
    
----
commit 702233fc535dba8302c11beee49164f0f558f79d
Author: kliewkliew <kliewkliew@users.noreply.github.com>
Date:   2016-08-24T13:40:35Z

    PHOENIX-2641 Implicit wildcard in LIKE predicate search pattern

----


> Implicit wildcard in LIKE predicate search pattern
> --------------------------------------------------
>
>                 Key: PHOENIX-2641
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2641
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.7.0
>         Environment: Phoenix 4.7.0 on Calcite 1.5.0
>            Reporter: Kevin Liew
>              Labels: newbie
>
> LIKE predicates have an implicit wildcard at the end of the search pattern
> ie.
> {code:sql}select distinct at1.col2 from at1 group by at1.col2 having at1.col2 like '_'{code}
> will match every cell in col2 whereas it should only match single-character cells.
> This affects both VARCHAR and CHAR.
> Note that selecting by pattern '__' (two single-character wildcards) works properly for
VARCHAR but not for CHAR (no result).



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