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https://issues.apache.org/jira/browse/IMPALA-6059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoram Thanga resolved IMPALA-6059.
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       Resolution: Fixed
    Fix Version/s: Impala 2.12.0
                   Impala 3.0

Code changes are integrated. Input has been provided for the DOCS changes.

> Enhance ltrim() and rtrim() functions to trim any set of characters
> -------------------------------------------------------------------
>
>                 Key: IMPALA-6059
>                 URL: https://issues.apache.org/jira/browse/IMPALA-6059
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Product Backlog
>            Reporter: Zoram Thanga
>            Assignee: Zoram Thanga
>            Priority: Minor
>              Labels: doc
>             Fix For: Impala 3.0, Impala 2.12.0
>
>
> Enhance the existing ltrim() and rtrim() string functions to accept an 
> argument that specifies a set of characters to be trimmed from the target 
> string. This is in line with how these functions are implemented in 
> PostgreSQL[1], Vertica[2], etc.
> The new function signatures will look like:
> ltrim(string text [, characters text])
> rtrim(string text [, characters text])
> [1] https://www.postgresql.org/docs/9.1/static/functions-string.html
> [2] http://bit.ly/2wTE52M



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