Re: Objects in schemas question

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From: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
To: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Objects in schemas question
Date: 2003-12-30 16:39:55
Message-ID: 3FF1AA5B.2030109@familyhealth.com.au
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Hi, quick questions related to phpPgAdmin development.

1. What objects can possibly appear in the pg_temp* schemas? Is it just
tables, views and sequences?

2. As above, but the pg_toast schema. Tables only here?

3. Am I guaranteed that a temp schema is 'pg_temp_*' and a toast one is
'pg_toast' and vice versa?

4. What about information_schema? Is it always just going to be tables,
views, functions and domains?

Can people create weird non-standard stuff in those schemas?

Chris


From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Objects in schemas question
Date: 2003-12-30 17:25:06
Message-ID: 23885.1072805106@sss.pgh.pa.us
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Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> writes:
> 1. What objects can possibly appear in the pg_temp* schemas? Is it just
> tables, views and sequences?

Indexes ... row types for tables ...

> 2. As above, but the pg_toast schema. Tables only here?

Ditto.

> 3. Am I guaranteed that a temp schema is 'pg_temp_*' and a toast one is
> 'pg_toast' and vice versa?

Yes.

> 4. What about information_schema? Is it always just going to be tables,
> views, functions and domains?

Wouldn't count on it.

> Can people create weird non-standard stuff in those schemas?

Certainly, wherefore you probably really shouldn't assume anything.

regards, tom lane