Quoting John DeSoi <desoi@pgedit.com>:
>
> On May 20, 2005, at 1:22 PM, Wei Weng wrote:
>
> > Say if I want to add a small snip of code in front of the sql script
> > generated by the pg_dump, to check for something then if the condition
> > doesn't match, the script terminates right away. (Without actually
> > doing the restoring stuff that the following large chunk is supposed
> > to do)
> >
> > Can I do that?
>
> Put this at the start of the file to make psql stop if there is an
> error:
>
> \set ON_ERROR_STOP 1
>
> > And is it a good idea to add arbitrary code to the database dump sql
> > script?
>
> No problem if you know what you are doing and/or have good backups :)
You don't have to:
pg_restore mydb.dump | psql --set ON_ERROR_STOP=1
