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Re: pg_restore

From: Infor Gates <info_gates(at)yahoo(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: pg_restore
Date: 2006-06-18 02:55:41
Message-ID: 20060618025541.91508.qmail@web31110.mail.mud.yahoo.com (view raw or flat)
Thread:
Lists: pgsql-admin
Dear Tom

Thanks for your email.

You are right in saying table is already populated with the data. I was 
testing the pg_dump and pg_restore using pg_Admin III. 

I am having the impression that pg_restore would over-rides the "old"
data with the current one. Is my thinking wrong?  I have checked the
documentation but it was silence on this.  Does it means that whenever
I performed a pg_restore, I must first drop the "old" database.

I would be glad if you can help to clarify my understanding on 
pg_dump and pg_restore functions.

Thank you.

CY


Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote: Infor Gates  writes:
> I hope you could help me understand the error message below:
> While it looks straight forward, I could NOT find the duplicate key violation,

Considering that it's complaining at the very first line of COPY data,
I wonder whether you aren't restoring into a table that already contains
the data you want to load.  pg_restore doesn't (by default) try to
delete data that's already present.

   regards, tom lane


 		
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