Alias and Buffering
Ken Langendock
Ken at Langendock.com
Wed Jan 4 16:51:22 CST 2006
John, I highly doubt that.
If I'm not mistaken, by saying "OPEN 1" on a file statement you cause
quick to open a separate buffer for that instance of the file. If your
boss was right, there would be no need for that OPEN statement. I
believe you are correct in saying the ALIAS is merely a tool for
addressing a file under a different name.
Of course the definitive answer has to come from the Man himself...
Bob??? Your comments please.
Oh and BTW, I was a consultant from Cognos....many many years ago too.
Ken
-----Original Message-----
From: powerh-l-bounces+ken.langendock=rogers.com at lists.sowder.com
[mailto:powerh-l-bounces+ken.langendock=rogers.com at lists.sowder.com] On
Behalf Of John Stires
Sent: January 4, 2006 5:18 PM
To: powerh-l at lists.sowder.com
Subject: Alias and Buffering
We had a lively discussion this morning concerning aliases in Quick, QTP
and QUIZ. At issue was the idea that if you use an ALIAS, as in a file
statement in QDESIGN, you cause the program to buffer the file twice
instead of once. My boss was pretty adamant that a consultant from
COGNOS was here some years ago and firmly told her about this extra
buffering.
Can that be true? My thinking has always been that the ALIAS merely
caused a minor cross reference or name translation within the program
and nothing at all to do with file buffering or any other over head.
What is your say?
Thanks,
John Stires
Pencarver
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