RE: Logical File with Field being substringed as a Key -- MIDRANGE-L


That's a thought.  But I do wonder just who writes the manuals.

> -----Original Message-----
> From: owner-midrange-l@midrange.com
> [mailto:owner-midrange-l@midrange.com]On Behalf Of Rob Berendt
> Sent: Monday, March 27, 2000 4:18 PM
> To: MIDRANGE-L@midrange.com
> Subject: RE: Logical File with Field being substringed as a Key
>
>
> Agreed.  A sample should be provided where it converts
> character data into numeric.  Or at least mention this!
> Perhaps if we print out the part on the end on how to
> make the manual more readable and submit this suggestion
> then it might make a difference.  I've had people that
> said they've had good luck in the past getting positive
> responses from IBM.
>
>
>
>
>
> dpanco43@ix.netcom.com on 03/27/2000 02:36:55 PM
> Please respond to MIDRANGE-L@midrange.com@Internet
> To:   MIDRANGE-L@midrange.com@Internet
> cc:
> Fax to:
> Subject:      RE: Logical File with Field being substringed as a Key
>
> Rob,
>
> Yes, that's cool.  I tell ya though, the sequel book that I have
> is terrible
> at describing it's functions.  I read the section on Decimal and
> it is just
> awful.  It really doesn't explain it very well.
>
> Thanks.
>
> Debbie
>
> > -----Original Message-----
> > From: owner-midrange-l@midrange.com
> > [mailto:owner-midrange-l@midrange.com]On Behalf Of Rob Berendt
> > Sent: Monday, March 27, 2000 10:32 AM
> > To: MIDRANGE-L@midrange.com
> > Subject: RE: Logical File with Field being substringed as a Key
> >
> >
> > SELECT DATAFIELD, SUBSTR(DATAFIELD,1,2),
> > DECIMAL(SUBSTR(DATAFIELD,1,2)), 5*DECIMAL(SUBSTR(DATAFIELD,1,2))
> > FROM ROB/TESTSQL
> >
> > DATAFIELD                       SUBSTR              DECIMAL
> > Numeric Expression
> > 01ABC                             01                      1
> >                 5
> > ********  End of data  ********
> >
> >
> > Cool?
> >
> > Sorry for trying to solve the wrong problem.
> >
> >
> >
> >
> > dpanco43@ix.netcom.com on 03/27/2000 10:20:03 AM
> > Please respond to MIDRANGE-L@midrange.com@Internet
> > To: MIDRANGE-L@midrange.com@Internet
> > cc:
> > Fax to:
> > Subject:    RE: Logical File with Field being substringed as a Key
> >
> > Rob,
> >
> > It is my understanding that the digits function converts numeric data to
> > character.  What I want is the opposite.  I want to take a 25 character
> > alpha field and extract positions 8 & 9 that I know will always contain
> > numeric data.  then I want to call those 2 positions a numeric
> > field so that
> > I can do calcs with it.  I don't see how your digits function
> will help me
> > here.
> >
> > Debbie
> >
> > > -----Original Message-----
> > > From: owner-midrange-l@midrange.com
> > > [mailto:owner-midrange-l@midrange.com]On Behalf Of Rob Berendt
> > > Sent: Friday, March 24, 2000 3:40 PM
> > > To: MIDRANGE-L@midrange.com
> > > Subject: Re: Logical File with Field being substringed as a Key
> > >
> > >
> > > Look at it from the other way around.  Instead of trying to
> > > move the fallen oak tree from your leg, dig out some dirt from
> > > under your leg.
> > >
> > > In other words, make the other field string.  For example.
> > > Select * from filea where substr(field1,1,3) =
> > digits(OfSomeNumericField)
> > >
> > > digits converts into string.
> > >
> > >
> > >
> > >
> > >
> > > dpanco43@ix.netcom.com on 03/24/2000 03:14:33 PM
> > > Please respond to MIDRANGE-L@midrange.com@Internet
> > > To:       MIDRANGE-L@midrange.com@Internet
> > > cc:
> > > Fax to:
> > > Subject:  Re: Logical File with Field being substringed as a Key
> > >
> > > When using a logical files substring function, is there anyway
> > to further
> > > define that substringed portion as numeric.  We have a
> > situation where we
> > > sometimes want to pick some information out of a character field
> > > and use it
> > > as input into a sequel.  We then often want to do calculations on that
> > > information.  If we could use the logical to redefine the
> alpha data as
> > > numeric, that would help immensely.
> > >
> > > Debbie
> > >
> > > +---
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