[jira] [Resolved] (PHOENIX-2641) Implicit wildcard in LIKE predicate search pattern

["Thomas D'Silva (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PHOENIX-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas D'Silva resolved PHOENIX-2641.
-------------------------------------
    Resolution: Fixed

> 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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