oid of Datum

From: James Harper <james(dot)harper(at)bendigoit(dot)com(dot)au>
To: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: oid of Datum
Date: 2014-02-20 07:15:13
Message-ID: 6035A0D088A63A46850C3988ED045A4B6F3AC6D3@BITCOM1.int.sbss.com.au
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In a postgres C function (CREATE FUNCTION LANGUAGE C), is it possible to get the OID of a parameter and therefore overload a C function? Is there any other way of overloading a C function?

Thanks

James

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