Re: [Bizgres-general] WAL bypass for INSERT, UPDATE and

Andrew Dunstan wrote:
> Bruce Momjian said:
> > DROP would drop the table on a restart
> > after a non-clean shutdown.  It would do _no_ logging on the table and
> > allow concurrent access, plus index access.  DELETE is the same as
> > DROP, but it just truncates the table (perhaps TRUNCATE is a better
> > word).
> >
> > EXCLUSIVE would allow only a single session to modify the table, and
> > would do all changes by appending to the table, similar to COPY LOCK.
> > EXCLUSIVE would also not allow indexes because those can not be
> > isolated like appending to the heap.  EXCLUSIVE would write all dirty
> > shared buffers for the table and fsync them before committing.  SHARE
> > is the functionality we have now, with full logging.
> 
> 
> I an horribly scared that this will be used as a "performance boost" for
> normal use. I would at least like to see some restrictions that make it
> harder to mis-use. Perhaps restrict to superuser?

Certainly restrict to table owner.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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