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pg_detoast_datum_packed and friends

From: Joe Conway <mail(at)joeconway(dot)com>
To: "Hackers (PostgreSQL)" <pgsql-hackers(at)postgresql(dot)org>
Subject: pg_detoast_datum_packed and friends
Date: 2007-06-02 02:37:21
Message-ID: 4660D7E1.3000204@joeconway.com (view raw or flat)
Thread:
Lists: pgsql-hackers
Sorry for my ignorance, but I haven't been able to keep up lately -- 
what is the difference between pg_detoast_datum_packed and 
pg_detoast_datum, and how do I know when to use each? E.g. I notice that 
the related macro PG_GETARG_TEXT_PP is used in place of PG_GETARG_TEXT_P 
in many (but not all) places in the backend.

Thanks,

Joe

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