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Re: reindexing, pg_class (and other system tables)

From: Martijn van Oosterhout <kleptog(at)svana(dot)org>
To: Sally Sally <dedeb17(at)hotmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: reindexing, pg_class (and other system tables)
Date: 2004-02-25 23:01:06
Message-ID: 20040225230105.GA24038@svana.org (view raw or flat)
Thread:
Lists: pgsql-general
The filename on disk is stored in relfilenode, not in oid.

On Wed, Feb 25, 2004 at 10:17:47PM +0000, Sally Sally wrote:
> Very strange things are happening when I am reindexing a table. I did this 
> with postmaster running as a standalone. The index for the table prior to 
> reindexing is on a separate disk and I created a sym link (due to lack of 
> space). When the reindexing is done I see new files created under
> /data/base/dbnumber/ but when I look at pg_class table it is pointing still 
> to the old index because the oid I get is the older one. What does this 
> mean? I assumed reindexing a non-sys table with postmaster running as a 
> standalone would also update the relevant tables. Do I have to do a 
> separate process to update the pg_class and other tables that need to be 
> aware of the reindexing?
> Sally
> 
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-- 
Martijn van Oosterhout   <kleptog(at)svana(dot)org>   http://svana.org/kleptog/
> If the Catholic church can survive the printing press, science fiction
> will certainly weather the advent of bookwarez.
>    http://craphound.com/ebooksneitherenorbooks.txt - Cory Doctorow

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