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From Øystein Grøvlen (JIRA) <j...@apache.org>
Subject [jira] Commented: (DERBY-2794) Document ansi trim functionality
Date Wed, 18 Jul 2007 12:44:04 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12513551
] 

Øystein Grøvlen commented on DERBY-2794:
----------------------------------------

I feel the introduction in the documentation is bit confusing:

"TRIM is a function that returns its first string argument with leading and/or trailing pad
characters removed.  The second argument indicates whether leading, or trailing, or both leading
and trailing pad characters should be removed. The third argument specifies the pad character
that is to be removed."

If argument is to mean parameter, there is only one argument as far as I can see.  This argument
is comprised of up to three variable parts.

If argument is to mean variable part of the parameter, there are three types of arguments,
but the numbering is confusing.  The first argument is not necessarily the source.  It is
the last argument that is the source.

> Document ansi trim functionality
> --------------------------------
>
>                 Key: DERBY-2794
>                 URL: https://issues.apache.org/jira/browse/DERBY-2794
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Documentation
>    Affects Versions: 10.3.0.0
>            Reporter: Manish Khettry
>            Assignee: Manish Khettry
>             Fix For: 10.3.0.0
>
>         Attachments: DERBY-2794.diff, ref-single.html, rreftrimfunc.html, trim_doc, trim_v2.txt
>
>
> Several examples can be found in the junit test (AnsiTrimTest). The unit test is in java/testing/org/apache/derbyTesting/functionTests/tests/lang.
> There is also the documentation from the ANSI spec which Dag had posted in a comment
in DERBY-1623.

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