Re: [libreoffice-users] LO Base Query - 'count' function behaviour

Just one remark on this, though. The GUI and SQL Edit views seem not to
be consistent with each other. Just opening the Query to Edit GUI,
adjusting the pane size (say) and saving the result, destroys the
query.

Cheers
Harvey
 

On Tue, 2022-08-16 at 10:54 +0200, Harvey Nimmo wrote:
> Thank you, Robert! As always on target. 
>
> This is better than filling the Location fields with some unneeded
> value. Great stuff. Man lernt nie aus!
>
> Cheers
> Harvey
>
> On Tue, 2022-08-16 at 10:15 +0200, Robert Großkopf wrote:
> > Hi Harvey,
> > >   SELECT `Location`, COUNT( `Location` ) FROM
> > > `Item_Management`.`Items`
> > > `Items` GROUP BY `Location`
> > >
> > > The result is correct for all LOCATIONS that are not empty, but
> > > surpisingly the blank field for the empty locations is
> > > accompanied
> > > by
> > > the value 0. How can I get the right count for the empty fields
> > > as
> > > well?
> >
> > Try this:
> > SELECT COALESCE(`Location`,'Empty') AS `Loc`, COUNT( `ID` ) FROM 
> > `Item_Management`.`Items` GROUP BY `Loc`
> >
> > COUNT: Always use a field which should never be NULL (primary key
> > for
> > example)
> > Set a vallue for a field, which is empta at this moment. If
> > "Location" 
> > contains characters it will work with 'Empty' as shown above.
> >
> > Didn't test it!
> >
> > Regards
> >
> > Robert
> > -- 
> > Homepage: https://www.familiegrosskopf.de/robert


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