doubts about toast_flatten_tuple_attribute/heap_form_tuple

From: Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM>
To: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: doubts about toast_flatten_tuple_attribute/heap_form_tuple
Date: 2008-10-07 14:05:36
Message-ID: 48EB6CB0.5010909@sun.com
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I'm trying write tuple conversion function and now I'm hit problem with
composite data types. Composite data types can contain inner composite
data types. Is there any limit? And I found that heap_form_tuple calls
toast_flatten_tuple_attribute only one level composite type. Is it bug?

Thanks Zdenek

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