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Reverse SCAN...ENDSCAN
Message
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Environment versions
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01152785
Message ID:
01152801
Views:
23
>>>I want to scan a table from bottom to top. Currently, I am using a while loop for that. Is there any faster way like scan?
>>>
>>>Thank you,
>>>Ali
>>
>>No, not really. Do while and SCAN are equavalent in speed, AFAIK.
>
>I have not tested this for a few years but SCAN was 15% faster than using a DO WHILE loop.

Interesting. I forgot that SCAN respects the order set on the table...

Also why would we have a speed difference in WHILE LOOP vs. SCAN? It's doing the same, though we need to write more code. I guess internally it uses something different...
If it's not broken, fix it until it is.


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