From: | Vadim Mikheev <vadim(at)krs(dot)ru> |
---|---|
To: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | bamby(at)marka(dot)net(dot)ua, hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Re: [BUGS] General Bug Report: Bug in optimizer |
Date: | 1999-03-18 17:47:34 |
Message-ID: | 36F13C36.94170042@krs.ru |
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Lists: | pgsql-bugs pgsql-hackers |
Bruce Momjian wrote:
>
> > Andriy I Pilipenko wrote:
> > >
> > > Why I need to vacuum immediately after creating table?
> >
> > Oh, sorry, I missed this -:)
> > Nevertheless, using index for
> >
> > select * from table1 where field1 = 1;
> >
> > is bug!
>
> It is possible the new optimizer fixes this. He needs to try the new
> snapshot to see.
vac=> create table table1 (field1 int);
CREATE
vac=> create index i_table1__field1 on table1 (field1);
CREATE
vac=> explain select * from table1 where field1 = 1;
NOTICE: QUERY PLAN:
Index Scan using i_table1__field1 on table1 (cost=0.00 size=0 width=4)
Unfixed...
Vadim
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