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From: Maxwell Dreytser <[email protected]>
To: [email protected] <[email protected]>
Subject: RowDescription for a function does not include table OID
Date: Tue, 18 Jun 2024 03:18:40 +0000
Message-ID: <LV3PR16MB6001AF4D05893E9FF4B3C746E6CE2@LV3PR16MB6001.namprd16.prod.outlook.com> (raw)

Hello,

I am working on a meta-programming use-case where I need to scrape some detailed information about the results of a function call that "RETURNS TABLE (LIKE physical_table)". Unfortunately RowDescription messages don't contain nearly enough information (no nullability). In pg_type the pg_proc.prorettype of this function shows up as a composite type with a valid typrelid. I am interested in getting this typrelid in the RowDescription field table OID field and the respective attribute number field. This would allow me to figure out all the necessary information by looking up in pg_attribute.

If this is something that might be accepted, I would be willing to work on a patch to implement this change.

Thank you,
Maxwell.

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