On Mon, 10 May 1999, Bruce Momjian wrote:
> Date: Mon, 10 May 1999 12:48:15 -0400 (EDT)
> From: Bruce Momjian <maillist@candle.pha.pa.us>
> To: Tom Lane <tgl@sss.pgh.pa.us>
> Cc: Oleg Bartunov <oleg@sai.msu.su>, pgsql-hackers@postgreSQL.org
> Subject: Re: [HACKERS] 6.5 cvs ERROR: copyObject: don't know how to copy 604
>
>
> Is this a valid item?
>
After compilation of current cvs at home I test this and it works.
But explain shows that select will not use indices, which exists !
select station_id from metro_stations except select metro_id from work_flats;
Oleg
>
>
> > Oleg Bartunov <oleg@sai.msu.su> writes:
> > > [ EXPLAIN fails on a SELECT ... EXCEPT ... ]
> >
> > This looks to be another artifact of the fact that EXPLAIN
> > doesn't invoke the rewriter.
> >
> > It looks to me like the rewrite-invocation section of
> > pg_parse_and_plan() needs to be pulled out as a subroutine
> > so that explain.c can invoke it. Comments? Where should
> > the new subroutine go? (Probably not in postgres.c...)
> >
> > regards, tom lane
> >
> >
>
>
> --
> Bruce Momjian | http://www.op.net/~candle
> maillist@candle.pha.pa.us | (610) 853-3000
> + If your life is a hard drive, | 830 Blythe Avenue
> + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
>
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83