Re: system catalog relation of a table and a serial

From: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
To: Brent Verner <brent(at)rcfile(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-patches(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: system catalog relation of a table and a serial
Date: 2001-12-16 07:12:56
Message-ID: 3.0.5.32.20011216181256.031cfe40@mail.rhyme.com.au
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At 01:20 16/12/01 -0500, Brent Verner wrote:
>
> Expect a better patch sometiime tomorrow.
>

The hard part in this might be getting pg_restore to know that the sequence
is part of the table definition; perhaps it is adequate to use the 'deps'
field.

I think it is currently unused for SEQUENCE (and SEQUENCE SET) entries, so
we could assume that if it is set, the sequence is logically part of a
table. You could set the deps to the table OID, then the restore operation
(_tocEntryRequired) could scan the TOC for a matching table, and see if the
matching table is being restored (ie. _tocEntryRequired would, in the case
of 'SEQUENCE' and 'SEQUENCE SET' entries, scan the entire TOC for the
matching table then call itself recursively on the table entry.

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