Can a sql server aggregate udf be passed in multiple parameters?

Posted by Burg on Stack Overflow See other posts from Stack Overflow or by Burg
Published on 2010-06-03T18:46:38Z Indexed on 2010/06/03 19:04 UTC
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I am trying to write an aggregate udf for using Sql Server 2008 and C# 3.5 that implodes an aggregation of data. The kind of syntax I am looking for is:

SELECT [dbo].[Implode]([Id], ',') FROM [dbo].[Table] GROUP BY [ForeignID]

where the second parameter is the delimiter for the aggregate function. And example return value would be something like:

1,4,56

Is there a way to have multiple parameters in an aggregate udf?

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