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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 Tue, 06 Sep 2016 19:45:22 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468342#comment-15468342
] 

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

Github user kliewkliew commented on the issue:

    https://github.com/apache/phoenix/pull/200
  
    @twdsilva Thanks for committing


> 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
>            Assignee: Kevin Liew
>              Labels: newbie
>             Fix For: 4.9.0, 4.8.1
>
>
> 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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