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https://issues.apache.org/jira/browse/DERBY-2794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12505049
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Myrna van Lunteren commented on DERBY-2794:
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Now I *have* tested the examples, and the two examples using 'NULL' return an
error for me with ij:
ij> VALUES TRIM(NULL from ' derby ');
ERROR 42X01: Syntax error: Encountered "NULL" at line 1, column 13.
ij> VALUES TRIM(' ' from NULL);
ERROR 42X01: Syntax error: Encountered "NULL" at line 1, column 22.
Is that a bug in the example & text or in the functionality?
> Document ansi trim functionality
> --------------------------------
>
> Key: DERBY-2794
> URL: https://issues.apache.org/jira/browse/DERBY-2794
> Project: Derby
> Issue Type: Sub-task
> Components: Documentation
> Reporter: Manish Khettry
> Assignee: Manish Khettry
> Attachments: DERBY-2794.diff, ref-single.html, rreftrimfunc.html,
> trim_doc
>
>
> 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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