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Hi Jonathan -
My thoughts are that the QDBBRCDS API is probably what I need and I'm happy
with calling it. My problem is that unlike other API's which fill user
spaces or return data structure, the documentation doesn't provide any
information other than "brings record data into main storage" so I have no
idea how to access it. Serching for QDBBRCDS on Google only provide the IBM
links.
Notice that it is says that it *asynchronously* brings the records into
main storage, which means that when the API returns control back to the
caller, the record retrieval is not necessarily completed.
This leads me to believe that the purpose of the API is NOT to bring
records in for the calling program to access them, but just to prefetch
them so that when you do normal file I/O (chain, read, etc.) the records
are already paged into main storage and don't have to be fetched from the
disk, speeding up the file I/O. (It would be nice if the "documentation"
included some documentation.)
My recommendation is for you to use a program-described file for retrieving
records.
--
Ken
http://www.ke9nr.net/
Opinions expressed are my own and do not necessarily represent the views of
my employer or anyone in their right mind.
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