RE: embedded sql and nulls

["Hatzenbeler, Tim" <thatzenbeler@xxxxxxxxxxxxx>]

Thanks to all who responded...

tim

> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx [SMTP:rpg400-l-bounces@xxxxxxxxxxxx]
> On Behalf Of Wilt, Charles
> Sent: Friday, April 15, 2005 11:08 AM
> To:   RPG programming on the AS400 / iSeries
> Subject:      RE: embedded sql and nulls
> 
> You need to pass a host indicator array to give SQL someplace to put the
> NULL flags.
> 
> Here's an example from the manual:
> 
> EXEC SQL
> SELECT COUNT(*), AVG(SALARY)
> INTO :PLICNT, :PLISAL:INDNULL
> FROM CORPDATA.EMPLOYEE
> WHERE EDLEVEL < 18
> END-EXEC.
> 
> 
> Notice the INDNULL variable that allows your to check in your RPG to know
> if PLISAL is NULL or not.
> 
> HTH,
> 
> 
> Charles Wilt
> iSeries Systems Administrator / Developer
> Mitsubishi Electric Automotive America
> ph: 513-573-4343
> fax: 513-398-1121
>  
> 
> > -----Original Message-----
> > From: rpg400-l-bounces@xxxxxxxxxxxx
> > [mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Hatzenbeler, Tim
> > Sent: Friday, April 15, 2005 1:57 PM
> > To: 'RPG programming on the AS400 / iSeries'
> > Subject: embedded sql and nulls
> > 
> > 
> > I have a query, that has nulls in some of the fields, but 
> > when I fetch, the
> > fields that don't have nulls, they to are blank...
> > 
> > So I was wondering, is the an SQL switch, that I need to set, to allow
> > NULLS, or do I have to add coalesc function to ever field, to 
> > return a non
> > null?
> > 
> > Thanks, tim
> > 
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