Noah Misch wrote:
> What exact formula did you have in mind? It must not be merely
>
> 1. "pg_dumpall -g"
> 2. "pg_dump" (without --create) per database
>
> which _never_ works: it emits no CREATE DATABASE statements. Perhaps this?
>
> 1. "pg_dumpall -g"
> 2. Issue a handwritten CREATE DATABASE statement per database with correct
> encoding, lc_ctype and lc_collate parameters. All other database
> properties can be wrong; the dump will fix them.
> 3. "pg_dump" (without --create) per database
>
> That neglects numerous database properties today, but we could make it work.
> Given the problems I described upthread, it's an inferior formula that I
> recommend against propping up.
Agreed, and IMO it's embarrasing that it's so complicated to get a fully
working backup.
> I much prefer making this work completely:
>
> 1. "pg_dumpall -g"
> 2. "pg_dump --create" per database
My full support for this proposal.
> Another formula I wouldn't mind offering:
>
> 1. "pg_dumpall -g"
> 2. pg_dumpall --empty-databases
> 3. "pg_dump" (without --create) per database
>
> Code for an --empty-databases option already exists for "pg_dumpall -g
> --binary-upgrade". A patch turning that into a user-facing feature might be
> quite compact.
I don't mind if this one is also made to work, but I don't care about
this case all that much.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
