Shawn,

You're using STATE-M as the list in the DBGET if of coarse your macro
specifies the parameters in the same order as DBGET itself. Beside that
you're missing a parameter to DBGET unless the macro specifies one by
itself.

John Zoltak
North American Mfg Co

> -----Original Message-----
> From: Shawn Gordon [SMTP:[log in to unmask]]
> Sent: Thursday, September 03, 1998 11:17 AM
> To:   John Zoltak
> Cc:   'Shawn Gordon'; 'HP3000-L'
> Subject:      RE: [HP3000-L] More on image b-tree problem
>
> Tried that, it's zero.  Here is the code fragment;
>
>   01 WS-ARG               PIC X(02)  VALUE "@".
>
>
>      %DBFIND(BR-DB#,DS-STATE-M#,MODE21#,BR-STATUS-AREA#
>              ,DI-STATE#,WS-ARG#).
>       IF NOT BR-CALL-OK
>          %DBEXPLAIN(2#,BR-STATUS-AREA#)
>          STOP RUN.
>       %DBGET(BR-DB#,DS-STATE-M#,MODE5,BR-STATUS-AREA#,STATE-M#
>             ,WS-ARG#).
>       PERFORM UNTIL NOT BR-CALL-OK
>          DISPLAY STATE-M
>          %DBGET(BR-DB#,DS-STATE-M#,MODE5,BR-STATUS-AREA#,STATE-M#
>                ,WS-ARG#)
>       END-PERFORM.
>
> There are 51 entries in the set, and the program will display 51 blank
> lines.
>
> shawn
>
>
>
>
>
> John Zoltak <[log in to unmask]> on 09/03/98 07:51:57 AM
>
> To:   'Shawn Gordon' <[log in to unmask]>, 'HP3000-L'
>       <[log in to unmask]>
> cc:    (bcc: Shawn Gordon/IS/FHM/FHS)
> Subject:  RE: [HP3000-L] More on image b-tree problem
>
>
>
>
> Shawn,
>
> Check the transfer count of the DBGET mode5, in the status array, word
> 2, and see if any data was actually transferred and maybe it was
> placed
> somewhere other than you expected.
>
> John Zoltak
> North American Mfg Co
>
> > -----Original Message-----
> > From:   Shawn Gordon [SMTP:[log in to unmask]]
> > Sent:   Thursday, September 03, 1998 10:33 AM
> > To:     [log in to unmask]
> > Subject:     [HP3000-L] More on image b-tree problem
> >
> > I ran this through a debugger and what I see is that my DBFIND mode
> 1
> > on
> > the master returns the correct chain count.  Then each DBGET mode 5
> on
> > the
> > master is successfull, but the buffer that is returned is empty.  It
> > will
> > happily read all the records in the super chain until it hits end of
> > chain,
> > but there is never any data in the buffer.  I am using an @ for the
> > item
> > list, and an @ for the argument to the DBFIND.  Everything looks
> fine,
> > but
> > the DBGET never has any data in it.
> >
> > I have tried this with both modes 1 and 21 on the DBFIND, just like
> > QUERY.
> >
> > Is this a bug in the b-trees or am I doing something really dumb?
> >
> > thanks,
> >
> > shawn
>
>
>