On Jun 22, 2007, at 4:09 AM, Richard Huxton wrote:
> Joost Kraaijeveld wrote:
>> I want to write a sql script in which I backup a database and restore
>> a new (altered) version of that database. Is that possible? If so ,
>> can anyone give me an example of how to do that?
>> I can run it from any command prompt (psql -U postgres template1 <
>> my_db.backup) but I would like it to run from psql (which should
>> give me 1 script for all platforms I must do this: Windows, FreeBSD
>> and Debian)
> You can restore using just psql (because pg_dump can produce an sql
> file to be processed). I don't know of any way to backup a database
> that doesn't use pg_dump.
You could script a PITR backup and recovery procedure but I doubt any
given single solution would be portable between Windows, Debian, and
FreeBSD given the differences in filesystems and filesystem tools
although I suppose with a lot of careful work it may be possible.
See the chapter on Backup and Restore in the manual for the details
of how PITR works (http://www.postgresql.org/docs/8.2/interactive/
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