On Mon, Jan 7, 2013 at 4:41 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Magnus Hagander <mag...@hagander.net> writes:
>> On Mon, Jan 7, 2013 at 1:32 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>>> emes...@redhat.com writes:
>>>> * restore.sql includes DROP statements for each object even tough -c flag
>>>> was not given
>
>>> I believe this is intentional - at least, pg_backup_tar.c goes out of
>>> its way to make it happen.  (The forcible setting of ropt->dropSchema
>>> in _CloseArchive is the cause, and it's hard to see why that would be
>>> there unless the author intended this effect.)  Perhaps we should remove
>>> that, but it would be an incompatible change.  Arguing for or against
>>> it really requires a model of what people would be doing with the
>>> restore.sql script.  I'm not entirely convinced that it should be
>>> considered equivalent to what you'd get from a plain dump run.
>
>> tar archives are more like custom archives ,arne't they? The idea
>> being that since you use pg_restore to restore them, you should use -c
>> on the pg_restore commandline, and not on the pg_dump one? And if we
>> didn't include it in the dump, that wouldn't even be possible.
>
> No, pg_restore depends only on what is in the TOC data structure.
> The restore.sql script is just an auxiliary file that's there if you
> extract the contents of the tar file --- pg_restore doesn't use it.

Ah, so it's never used at all? Interesting.

Shows how often I use the tar format :D AFAIK it has no actual
advantage over custom format, but I guess including the restore.sql
file might be considered such an advantage.



--
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/


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