Re: strange system columns - Mailing list pgsql-admin

From Michael Fuhr
Subject Re: strange system columns
Date
Msg-id 20060112051605.GA91092@winnie.fuhr.org
Whole thread Raw
In response to strange system columns  (Colton A Smith <smith@cs.utk.edu>)
List pgsql-admin
On Thu, Jan 05, 2006 at 03:17:02PM -0500, Colton A Smith wrote:
> SELECT attname, typname, attnum
>                    FROM pg_attribute INNER JOIN pg_type
>                      ON pg_attribute.atttypid = pg_type.typelem
>                        WHERE pg_attribute.attrelid = $oid (derived above)
>                              AND NOT attisdropped;

The join condition for pg_type should be against pg_type.oid, not
pg_type.typelem.  A simplified version of your two queries is:

SELECT attname, atttypid::regtype, attnum
FROM pg_attribute
WHERE attrelid = 'organic_matter'::regclass AND NOT attisdropped;

--
Michael Fuhr

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