From: | "sheila bel" <sheilabel(at)hotmail(dot)com> |
---|---|
To: | pgman(at)candle(dot)pha(dot)pa(dot)us |
Cc: | pgsql-general(at)postgreSQL(dot)org |
Subject: | Re: [GENERAL] ERROR: JoinClauseSelectivity |
Date: | 2000-02-23 17:40:05 |
Message-ID: | 20000223174005.32781.qmail@hotmail.com |
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Thread: | |
Lists: | pgsql-general |
Hi Bruce,
>
>VACUUM ANALYZE the table.
>
I did this and now my query is working. I don't understand
what exactly VACUUM ANALYZE is doing and why I was getting
the error message. Could you please explain.Thanks
-Sheila
> >
> > I'm trying to do a simple join query and I get an error message.
> > My tables are :
> > agency(agencyid serial, agency_name text, address text, ...)
> > groupleader(leaderid serial, agency_name text, phonenum text , ...)
> >
> > The query :
> > SELECT agencyid FROM agency, groupleader WHERE
> > agency.agency_name=groupleader.agency_name;
> >
> > The error message :
> > ERROR: JoinClauseSelectivity: bad value 2.450299
> >
> > I tried the query in other forms such as:
> > SELECT * FROM agency, groupleader WHERE
> > agency.agency_name=groupleader.agency_name;
> > and
> > SELECT * FROM agency WHERE
> > agency_name=groupleader.agency_name;
> >
> > I get the same error message. What am I doing wrong here ?
> >
> > Thanks for your help,
> > -Sheila
> > ______________________________________________________
> > Get Your Private, Free Email at http://www.hotmail.com
> >
> >
> > ************
> >
> >
>
>
>--
> Bruce Momjian | http://www.op.net/~candle
> pgman(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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