Sathish Duraiswamy wrote:
hai
Recently we migrated our database from 8.2.4 to 8.2.12 , went through
manuals and followed the below steps
1.pg_dumpall to take data dump of current database
2.stopped database
3.moved the pgsql to backup folder
4.downloaded 8.2.12 , configured - gmake - gmake install
5.recreated cluster directory
6.restored the database with datadump
It was like complete re-installation process.
Can anyone explain a alternative method to upgrade a existing database
details vary with platform and how postgresql was installed in the first
place. with a 8.2.x install from the pgdg82 yum repositories on a
rhel/centos/fedora platform
$ yum upgrade postgresql-server
would have sufficed. its only necessary to dump/restore when going
between major versions (8.2.x to 8.3.x, for instance), or when making
architecture changes (x86_32 to x86_64, or float timestamp to integer
timestamp).
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