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  1.  Home
  2. RPG400-L
  3. August 2001

RE: Recommended PTF's for Dynamic Sql in RPG?

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The weird part is this... If I don't declare dynamicly, it works just
fine...  So my datastructures that I have should be ok...

but i'm still debugging and trying different things, to hopefully narrow
down where the problem is...

tim

> -----Original Message-----
> From: Phil [SMTP:sublime78ska@yahoo.com]
> Sent: Wednesday, August 29, 2001 1:20 PM
> To:   rpg400-l@midrange.com
> Subject:      RE: Recommended PTF's for Dynamic Sql in RPG?
>
> (Sorry about that Tim! - my eyes played a trick on me.  I thought I saw
> two
> /end-exec in a row.)
>
> In the past I've had to define the data structures internally as one data
> structure when I was fetching a result based on a join.  I don't know
> whether that's a rule or just a way to do it.
>
> Phil
>
>
>
> > -----Original Message-----
> > From: rpg400-l-admin@midrange.com [mailto:rpg400-l-admin@midrange.com]On
> > Behalf Of Hatzenbeler, Tim
> > Sent: Wednesday, August 29, 2001 3:54 PM
> > To: 'rpg400-l@midrange.com'
> > Subject: RE: Recommended PTF's for Dynamic Sql in RPG?
> >
> >
> > This message is in MIME format. Since your mail reader does not
> understand
> > this format, some or all of this message may not be legible.
> > --
> > [ Picked text/plain from multipart/alternative ]
> >     Tim,
> >
> >     Is this a cut/paste typo:
> >
> >     c/end-exec
> >
> >     c/EXEC SQL   OPEN C1
> >     c/end-exec
> >
> >     or is it like this in your source?
> >     ---------------------
> > It's in my code that way... but I have tried it both ways, and
> > that doesn't
> > seem to make a difference...
> >
> > When I do an eval in debug I get :
> >  Previous debug expressions
> >
> >
> >
> >  > EVAL sql
> >
> >    SQL =
> >
> >
> ....5...10...15...20...25...30...35...40...45...50...55...60
> >
> >         1   'Select * From (prdjrnusg  a  JOIN jpldcusgsm b  ON a.pjstr#
> '
> >
> >        61   '= b.jpstr#) WHERE (a.pjhdat between 37110 and 37115)
> '
> >
> >       121   '
> '
> >
> >       181   '
> '
> >
> > And if I run this in strsql, or from ops nav. it works fine...
> >
> >
> > > -----Original Message-----
> > > From:     Phil [SMTP:sublime78ska@yahoo.com]
> > > Sent:     Wednesday, August 29, 2001 12:40 PM
> > > To:       rpg400-l@midrange.com
> > > Subject:  RE: Recommended PTF's for Dynamic Sql in RPG?
> > >
> >     Tim,
> >
> >     Is this a cut/paste typo:
> >
> >     c/end-exec
> >
> >     c/EXEC SQL   OPEN C1
> >     c/end-exec
> >
> >     or is it like this in your source?
> >
> > > This is how I debug sql statements:  I set a breakpoint where the SQL
> > > statement is built, then I copy/paste it into Ops Nav's ISQL.  I run
> it.
> > > (may have to massage it a bit which is fine as long as you don't
> change
> > > anything material.  For instance, I usually have to insert the library
> > > name
> > > into the statement.)
> > >
> > > Phil
> > >
> > > > -----Original Message-----
> > > > From: rpg400-l-admin@midrange.com
> > [mailto:rpg400-l-admin@midrange.com]On
> > > > Behalf Of Hatzenbeler, Tim
> > > > Sent: Wednesday, August 29, 2001 12:48 PM
> > > > To: 'rpg400-l@midrange.com'
> > > > Subject: Recommended PTF's for Dynamic Sql in RPG?
> > > >
> > > >
> > > > This message is in MIME format. Since your mail reader does not
> > > understand
> > > > this format, some or all of this message may not be legible.
> > > > --
> > > > [ Picked text/plain from multipart/alternative ]
> > > >
> > > > Were running r4.5 with just latest cumulative tape..
> > > >
> > > > But for somereason, I can't get a dynamic sql statement to
> > work, it just
> > > > seems to hang on the fetch command...
> > > >
> > > > It's a simple Join, with one field, and the where clause is
> > looking for
> > > a
> > > > match using an item code on table a , and a department code
> > on table B.
> > > >
> > > > This works fine from the command link, and also as a declared
> > > > statement with
> > > > the fields hardcoded..
> > > >
> > > > This is the declared version that did work...
> > > >
> > > > c*exec sql
> > > > c* declare  c1 cursor for
> > > > c*      select *
> > > > c*
> > > > c*      from (prdjrnusg a join jpldcusgsm b on
> > > > c*              a.pjstr# = b.jpstr#)
> > > > c*
> > > > c*      where (a.pjhdat between 37110 and 37115) and
> > > > c*      a.pjprod in ('1804','1310','2153') and
> > > > c*      b.rddid = 'LAB'
> > > > c*end-exec
> > > >
> > > > And this is the one that doesn't... I took out all the variables, to
> > > test
> > > > this...
> > > >
> > > > And it's very likely (probable) that the reason it's not working,
> > > > is because
> > > > I might have a coding error, so I'm including most of the relavant
> > > parts..
> > > >
> > > > Dprdjrnusg      E DS                  extname(PRDJRNUSG) inz
> > > > d                                     prefix(a_)
> > > > Djpldcusgsm     E DS                  extname(jpldcusgsm)  inz
> > > > d                                     prefix(b_)
> > > >
> > > > d sql             s           1000    varying
> > > >
> > > > c/exec sql
> > > > c+ declare  c1 cursor for DynSqlStmt
> > > > c/end-exec
> > > >
> > > > c                  eval      sql=
> > > > c                            'Select * ' +
> > > > c                            'From (prdjrnusg  a  JOIN '+
> > > > c                                  'jpldcusgsm b  '+
> > > > c                                  'ON a.pjstr# = b.jpstr#) '+
> > > > c                            'WHERE (a.pjhdat between 37110'+
> > > > c                            ' AND 37115) ' +
> > > > c                            'and a.pjprod in '  +
> > > > c                            '(''1804'',''1310'',''2153'')' +
> > > > c                            ' and b.rddid = ''LAB'' '
> > > > c/exec sql
> > > > c+ Prepare DynSqlStmt from :sql
> > > > c/end-exec
> > > >
> > > > c/EXEC SQL   OPEN C1
> > > > c/end-exec
> > > >
> > > > c                   dou       Done
> > > > c/EXEC SQL
> > > > c+ FETCH next from c1 INTO :prdjrnusg, :jpldcusgsm
> > > > c/END-EXEC
> > > >
> > > > c                   if        sqlcod <> 0
> > > > c                   leave
> > > > c                   endif
> > > >
> > > >
> > > >
> > > > Below was the orginal non hardcoded version...
> > > > c*                  eval      sql=
> > > > c*                            'Select * ' +
> > > > c*                            'From (PrdJrnUsg  a  JOIN '+
> > > > c*                                  'JPLDCusgsm b  '+
> > > > c*                                  'ON a.pjstr# = b.jpstr#) '+
> > > >
> > > > c*                            'WHERE (a.pjhdat between '+
> > > > c*                                       %editc(startdateh:'Z') +
> > > > c*                            ' AND ' +
> > > > c*                                    %editc(EndDateH:'Z') + ') '+
> > > >
> > > > c*                  if        %trim(dspwhere) <> *blanks
> > > > c*                  eval      sql = sql + 'AND '+%trim(dspwhere)
> > > > c*                  endif
> > > >
> > > > Thanks, tim
> > > > _______________________________________________
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