From: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
---|---|
To: | Daniele Varrazzo <daniele(dot)varrazzo(at)gmail(dot)com> |
Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: getting composite types info from libpq |
Date: | 2010-12-15 18:56:10 |
Message-ID: | AANLkTi=_CaRWrJRriOrL2ibg9qQAKiRtA1YToQPAzwZU@mail.gmail.com |
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Lists: | pgsql-general pgsql-hackers |
On Wed, Dec 15, 2010 at 1:25 PM, Daniele Varrazzo
<daniele(dot)varrazzo(at)gmail(dot)com> wrote:
> Hello,
>
> when a query returns a composite type, the libpq PQftype() function
> reports the oid of the "record" type. In psycopg:
>
> >>> cur.execute("select (1,2)")
> >>> cur.description
> (('row', 2249, None, -1, None, None, None),)
>
> test=# select typname from pg_type where oid = 2249;
> typname
> ---------
> record
>
> Is there a way to recursively retrieve the types for the record components?
not without talking to the server, unless you had previously pulled
pg_attribute data.
select * from pg_attribute where attrelid = 2249;
This question is more appropriate for -general, but what are you trying to do?
merlin
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