Re: newbie how to access the information scheme

From: John McKown <john(dot)archie(dot)mckown(at)gmail(dot)com>
To: frank ernest <doark(at)mail(dot)com>
Cc: PostgreSQL General <pgsql-general(at)postgresql(dot)org>
Subject: Re: newbie how to access the information scheme
Date: 2015-02-24 18:58:25
Message-ID: CAAJSdjhP8LxD=MeEEeVOR2L51JEFt9oHJZdNue-+WiSLb46vZg@mail.gmail.com
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I normally do the command (in psql)

\d+

But if you want an actual SQL statement, the above invokes:

SELECT n.nspname as "Schema",
c.relname as "Name",
CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm'
THEN 'materialized view' WHEN 'i' THEN 'index' WHEN 'S' THEN
'sequence' WHEN 's' THEN 'special' WHEN 'f' THEN 'foreign table' END
as "Type",
pg_catalog.pg_get_userbyid(c.relowner) as "Owner",
pg_catalog.pg_size_pretty(pg_catalog.pg_table_size(c.oid)) as "Size",
pg_catalog.obj_description(c.oid, 'pg_class') as "Description"
FROM pg_catalog.pg_class c
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind IN ('r','v','m','S','f','')
AND n.nspname <> 'pg_catalog'
AND n.nspname <> 'information_schema'
AND n.nspname !~ '^pg_toast'
AND pg_catalog.pg_table_is_visible(c.oid)
ORDER BY 1,2;

I found the above by using the command: psql -E

On Tue, Feb 24, 2015 at 12:48 PM, frank ernest <doark(at)mail(dot)com> wrote:
> Hello, I'd like to see all the tables in my data base,
> but can't figure out how to access th information scheme.
>
> Thanks
>
>
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--
He's about as useful as a wax frying pan.

10 to the 12th power microphones = 1 Megaphone

Maranatha! <><
John McKown

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