Re: [GENERAL] ERROR: JoinClauseSelectivity

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
> > ______________________________________________________
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> >
> > ************
> >
> >
>
>
>--
> 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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