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Re: catalog of postgres

From: Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>
To: Mario Soto Cordones <msotocl(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-admin(at)postgresql(dot)org
Subject: Re: catalog of postgres
Date: 2005-04-27 20:41:01
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Lists: pgsql-admin
On Wed, Apr 27, 2005 at 03:57:41PM -0400, Mario Soto Cordones wrote:

> SELECT nspname as esquema, relname as objeto,
> (CASE relkind
>   WHEN 'v' THEN 'Vista'
>   WHEN 'i' THEN 'Indice'
>   WHEN 'S' THEN 'Secuencia'
>   WHEN 'r' THEN 'Tabla'
>   WHEN 'c' THEN 'Tipo'
>   END) as tipo
>   pg_class bc,
>   pg_attribute ta,
>   pg_namespace ns,
>   pg_type ty
>   ta.attrelid = bc.oid
>   and ta.attnum > 0
>   and not ta.attisdropped
>   and nspname <> 'information_schema' and nspname not like 'pg_%'
>   ----and relam = 0
>   and bc.relnamespace = ns.oid
>   and bc.relname not like 'pg_%'
>   and ta.atttypid = ty.oid
>   group by nspname, relname, relkind
>   order by tipo desc

Why are you using a group by here?  It's unnecesary.

> but not you where they stay the functions

See the pg_proc catalog.

I wonder if I have pointed you to the documentation before?  See the
"system catalogs" section in the internals chapter.  Also, maybe you
should take a look at whether the information_schema gives you what you

Alvaro Herrera (<alvherre[(at)]dcc(dot)uchile(dot)cl>)
Y una voz del caos me habló y me dijo
"Sonríe y sé feliz, podría ser peor".
Y sonreí. Y fui feliz.
Y fue peor.

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