Re: pg_restore --single-transaction and --clean

Tom Lane escribió:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > Kevin Grittner escribi:
> >> Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> > Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >>>> We try to avoid using nonstandard SQL in dumps.
>
> >>> How often do we succeed? It seems unlikely that our dumps would
> >>> be restorable into any other database.
>
> >> When we were running in a mixed environment we had several occasions
> >> where it was useful to feed pg_dump --column-inserts output into
> >> Sybase databases. It was very nice to have that. I think we did
> >> sometimes have to filter it through sed to deal with BOOLEAN vs BIT
> >> issues.
>
> > Maybe we should have a --compatible-mode or some such that enables these
> > things, instead of staying away from useful PG-only features.
>
> Well, the subtext of my comment was really that this case isn't useful
> enough to justify introducing a nonstandard construct into dumps.

That's true, but this is not the first time we've left out some feature
from dumps because they would make them standards-incompatible. If we
have enough of these (and I have no idea that we do), maybe we could
start here. This is of course just a future TODO item, not something to
consider for 9.0.

--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.