Re: [HACKERS] pg_dump table order

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Ross J(dot) Reedstrom" <reedstrm(at)wallace(dot)ece(dot)rice(dot)edu>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] pg_dump table order
Date: 1999-09-13 15:35:53
Message-ID: 199909131535.LAA17272@candle.pha.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

> Better idea: make pg_dump smarter, so that it sorts the tables by name
> as far as possible without breaking inheritance and membership
> dependencies. It already retrieves the inheritance graph, and it could
> certainly figure column-type dependencies too. I don't think anyone
> would object to producing the output in a more meaningful order, so
> I see no need for a switch if you can make this work.
>
> I used to know enough about topological sorts to sketch how this ought
> to work, but that was years ago :-(. I do see that the simplest
> approach to a sort comparison function, "if a depends on b then say a>b,
> else say result of comparing name(a) and name(b)", will not work because
> it's not transitive.

I now someone fixed some of that recently, and I thought it was in 6.5.

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Ansley, Michael 1999-09-13 15:46:48 RE: [HACKERS] Status report: long-query-string changes
Previous Message Bruce Momjian 1999-09-13 15:16:25 Re: [HACKERS] Status report: long-query-string changes