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Dump and Reload process

From: Chris Gamache <cgg007(at)yahoo(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: Dump and Reload process
Date: 2004-01-30 17:28:59
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
I'm having some issues dumping a database from 7.2, reloading it to 7.4.

I'm using the 7.4 pg_dump. The problem I'm having is an issue of internal
object dependancies. For instance I have a_function that uses b_function. The
a_function gets dumped in first, and errors out because b_function hsan't been
created yet. I've found an ugly workaround: dump the schema first, and run the
sql through multiple times until all the various objects are created. Then
insert the data after.

Here are the dump comands that I used:

pg_dump --create --compress 9 --file=/vol1/work/db_schema_dump-040130.gz
--username=postgres --host=localhost --port=5432 -s mydata &

pg_dump --create --compress 9 --file=/vol1/work/db_data_dump-040130.gz
--username=postgres --host=localhost --port=5432 -a mydata &

There must be a better way! Thoughts?


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