× The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.


  1.  Home
  2. RPG400-L
  3. May 2002

RE: Using CHAIN instead of SETLL AND READE to begin a loop which reads a group

Frank wrote:

>Looks to me like the issue here is
>'What does CHAIN retreive when used
>on a file with duplicate keys.'
>Long time ago I was told by IBM that
>the record retreived by the
>CHAIN is unpredictable.
>Experience tells that the retreival is FIFO.
>Has anyone noticed anything other than the above.

'Reuse deleted records' will alter the FIFO retrieval order.  The rule I
have always lived by is 'If you need records in a certain order, sort them.'
  --buck

As an Amazon Associate we earn from qualifying purchases.

This thread ...
Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2024 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.