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On 27-May-2011 06:15 , Bryce Martin wrote:
It was basically a way of doing something like the following.... in
pseudo code....
chain (pattern1: color1:) myfile
if found
update
else
write
endif
instead he did this.....
write
if error
update
endif
That interpretation obscures the effects of the original coding,
whereby the file effectively had been declared twice in the program.
There would have been two ODPs to perform as originally written, one
Open Data Path used for insert\write, and the other ODP used for the
update. In either scenario coded above, the logic could be satisfied
with just one native\RLA OPEN for update; i.e. more efficiently than
having used both the SQL INSERT and RLA update. Not to dismiss however
that the use of SQL for INSERT may have allowed for more efficiency in a
coding task, esp. had the RLA update logic already existed.
Regards, Chuck
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