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

Thanks for the pointer to the TRANSLATE and TRANSLATE_REGEX functions, Lukas. I see them in my copy of the standard draft, too. Looks powerful enough - any volunteers? :)

                
> 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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