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Date: Fri, 3 Feb 2012 17:11:55 +0000 (UTC)
From: "Dag H. Wanvik (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (DERBY-5597) Add support for a SQL REPLACE(in,
 search, replace) function
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    [ https://issues.apache.org/jira/browse/DERBY-5597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199871#comment-13199871 ] 

Dag H. Wanvik commented on DERBY-5597:
--------------------------------------

Note that this function is not a part of the SQL standard. We are normally cautious about adding non-standard features. If we did, I'd want it to have regexp functionality..
                
> Add support for a SQL REPLACE(in, search, replace) function
> -----------------------------------------------------------
>
>                 Key: DERBY-5597
>                 URL: https://issues.apache.org/jira/browse/DERBY-5597
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.8.2.2
>            Reporter: Lukas Eder
>              Labels: function, sql, string
>
> I don't know any other database that lacks this type of function (even SQLite has it):
> REPLACE(in, search)
> REPLACE(in, search, replace)
> But according to the Derby docs, this doesn't exist in Derby:
> http://db.apache.org/derby/docs/10.8/ref/rrefsqlj29026.html
> It would be quite simple to implement, I guess. Yet really useful for many people. Some documentation examples from other databases:
> http://docs.oracle.com/cd/B19306_01/server.102/b14200/functions134.htm
> http://msdn.microsoft.com/de-de/library/ms186862.aspx
> http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp?topic=%2Fcom.ibm.db2.doc.sqlref%2Ffrepl.htm
> http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_replace
> http://hsqldb.org/doc/2.0/guide/builtinfunctions-chapt.html#N135A7

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