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Message-ID: <45086B40.3000200@logix-tt.com>
Date: Wed, 13 Sep 2006 22:34:08 +0200
From: Markus Schaber <schabi@logix-tt.com>
Organization: Logical Tracking and Tracing International AG, Switzerland
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To: PostgreSQL SQL List <pgsql-sql@postgresql.org>
Subject: Aggregates with internal state type?
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Hi,

The PostgreSQL allows functions to define "internal" as parameter and
return types for functions, when those are not visible from SQL.

This lead me to the question whether it is possible to use "internal" as
state type for an Aggregate whose functions are implemented in C.

Thanks,
Markus

-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org