| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: beginner problems with count(*) |
| Date: | 2010-04-08 09:27:08 |
| Message-ID: | 20100408092707.GC29013@a-kretschmer.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
In response to Me Self :
> Hello Im just getting started using postgres and Ive run run into a
> problem with count(*):
>
> When I do "select count(*) from mytable" or "select count(*) from
> mytable where mycolumn=x" then I get wrong number. The number of rows
> returned is lower than the actual number. How can that happen? The
What exactly do you mean with 'actual number'? Let me guess: you have a
SERIAL column, and the current value is greater than the number of rows
returned by your select, right?
Regards, Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
GnuPG: 0x31720C99, 1006 CCB4 A326 1D42 6431 2EB0 389D 1DC2 3172 0C99
| From | Date | Subject | |
|---|---|---|---|
| Next Message | donia zheni | 2010-04-08 10:15:48 | Extending PostGreSQL/PostGIS with an abstract data type. |
| Previous Message | Me Self | 2010-04-08 08:36:52 | beginner problems with count(*) |