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https://issues.apache.org/jira/browse/PHOENIX-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15439548#comment-15439548
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ASF GitHub Bot commented on PHOENIX-2641:
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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 <[email protected]>
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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