Re: Interface

I suspect that Delphi is specifying the serial column in the insert
statement, but then not assigning it a value (if you turn on query
logging you'll be able to confirm that). If that's the case, you could
write an insert trigger that would set the serial column's value to
nextval for the appropriate sequence if it's null.

On Thu, May 18, 2006 at 09:02:51AM -0700, Bob Pawley wrote:
> To refresh people's memory I have a simple Delphi interface (TEdit and
> TNavigator) connected via ODBC to a Postgresql 8.0 table.
>
> I've tried the earlier suggestions in various forms with no success.
>
> I again was successful in updating the table with the table containing no
> serial column. With the serial column included I get an error massage that
> the serial column needs a value.
>
> I don't understand why the serial column is generated when a row is created
> manually through Postgresql Admin interface but it doesn't generate when a
> row is added through the Delphi interface.
>
> Could someone explain this difference?
>
> Bob Pawley
>
>
> ----- Original Message -----
> From: "Bob Pawley" <rjpawley@shaw.ca>
> To: "Joshua D. Drake" <jd@commandprompt.com>
> Cc: "Frank L. Parks" <fparks@ezbizpartner.com>; "Postgresql"
> <pgsql-general@postgresql.org>
> Sent: Wednesday, May 10, 2006 3:55 PM
> Subject: Re: [GENERAL] Interface
>
>
> >Joshua
> >
> >My first try was to include it with the SQL code on the Update component.
> >It hasn't worked yet. I want to try variations.
> >
> >I am also trying a Query component which gave me the same error. I also
> >have another problem with this component giving me a cursor handle error
> >which I am attempting to solve. (Same SQL code)
> >
> >Lots of challenges for a beginner to work through.
> >
> >Bob
> >----- Original Message -----
> >From: "Joshua D. Drake" <jd@commandprompt.com>
> >To: "Bob Pawley" <rjpawley@shaw.ca>
> >Cc: "Frank L. Parks" <fparks@ezbizpartner.com>; "Postgresql"
> ><pgsql-general@postgresql.org>
> >Sent: Wednesday, May 10, 2006 3:41 PM
> >Subject: Re: [GENERAL] Interface
> >
> >
> >>Bob Pawley wrote:
> >>>Hi Frank
> >>>
> >>>Here's the code entered as part of TUpdateSQL component.
> >>>insert into p_id.p_id
> >>> (process_name)
> >>>values
> >>> (:process_name)
> >>>
> >>
> >>Did my DEFAULT not work?
> >>
> >>Joshua D. Drake
> >>
> >>
> >>>I am connected via ODBC.
> >>>
> >>>Thanks
> >>>
> >>>Bob
> >>>
> >>>----- Original Message ----- From: "Frank L. Parks"
> >>><fparks@ezbizpartner.com>
> >>>To: "Postgresql" <pgsql-general@postgresql.org>
> >>>Sent: Wednesday, May 10, 2006 12:30 PM
> >>>Subject: Re: [GENERAL] Interface
> >>>
> >>>
> >>>>Bob,
> >>>>
> >>>>Can you at least show what your insert statement looks like please?
> >>>>Also, are you using ODBC or VitaVoom's direct driver for DBExpress?
> >>>>
> >>>>Frank
> >>>>
> >>>>Bob Pawley wrote:
> >>>>
> >>>>>The folks on the Delphi forum haven't been responsive to this
> >>>>>question. Perhaps the ones that visit the forum don't know the answer.
> >>>>> I have created a Delphi interface to a Postgresql table containing a
> >>>>>serial column.
> >>>>> When I try to insert a new value through the interface I get an error
> >>>>>message that the serial field requires a value.
> >>>>> When I remove the serial column the interface inserts a new value
> >>>>>with no problem. When I insert directly via sql the serial column
> >>>>>updates automatically.
> >>>>> What am I missing to make this work through Delphi?
> >>>>> Bob
> >>>>
> >>>>
> >>>>
> >>>>---------------------------(end of
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> >>>
> >>
> >>
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> >>
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>
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--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461