On Tue, 2005-11-29 at 14:56 -0500, Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Tom Lane wrote:
> >> Something that would probably be reasonable, and require *no* weird new
> >> syntax, is to shortcut in a COPY into a table created in the current
> >> transaction. I believe we still keep a flag in the relcache indicating
> >> whether that's the case ...
>
> > So if the table is created in the current transaction, we don't log?
>
> Log, yes, unless it's a temp table. The point is we could avoid taking
> buffer content locks. Come to think of it, we could implement that
> trivially in the heapam.c routines; it would then apply to any table
> update whether generated by COPY or otherwise.
We should do that, yes, we've discussed that before. I'm happy to blat
that out.
...but I do still want to improve COPY in other ways.
> > Yes, I guess, but do we want to propogate that into pg_dump output? I
> > would think not.
>
> Exactly my point; we don't have to change any syntax, so pg_dump
> doesn't care.
Does pg_dump wrap the CREATE TABLE and COPY into the same transaction?
Best Regards, Simon Riggs
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