Setting File pointer using Partial Keys

[Finucci Domenico <Domenico.Finucci@xxxxxxxxxxxx>]

Don't forget to declare ACCESS DYNAMIC, organisation INDEXED.
Sincerely

Domenico Finucci
Fiditalia , Milano, 02- 4301-2494


-----Messaggio originale-----
Da: Ravi Prasanna Annasagara Nagarajan
[mailto:ravi.annasagara@wipro.com]
Inviato: venerdì 6 settembre 2002 10.43
A: cobol400-l@midrange.com
Oggetto: Setting File pointer using Partial Keys


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Hello,

Using Start statement, can we position the file pointer if we have
values for a part of the key.

For example

If an Employee file has 3 keys say Dept number, Section number and
Employee number, using just the Dept number can we position the file at
the specified Dept number even though Section number and Employee number
are not specified?


Move 10 to Dept-number

Start Employee File
 Key is equal to Dept-number
 Invalid key
  -----
Not invalid key
 -----
End-Start.


I have tried this but it seems to fail.  In RPG, we can actually do a
Chain to the file with partial keys, so is there a provision for that in
Cobol?

Any thoughts on this issue would be very helpful?

Many thanks in advance.


Regards,
Ravi Prasanna A.N.
Wipro Technologies Ltd.,
mailto:ravi.annasagara@wipro.com

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