From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] 6.5 cvs ERROR: copyObject: don't know how to copy 604 |
Date: | 1999-05-11 16:04:32 |
Message-ID: | 199905111604.MAA18158@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
> On Mon, 10 May 1999, Bruce Momjian wrote:
>
> > Date: Mon, 10 May 1999 12:48:15 -0400 (EDT)
> > From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
> > To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
> > Cc: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>, pgsql-hackers(at)postgreSQL(dot)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;
Indexes aren't much use if you don't have a WHERE restriction, no?
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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