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New VFP9 optimization: super Full
Message
 
 
To
16/04/2005 16:35:59
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9
Miscellaneous
Thread ID:
01005488
Message ID:
01005499
Views:
19
Hi Fabio,

The SYS(3054) function reports on WHERE (Filter) and JOIN conditions only. The MAX(exp)/MIN(exp) optimization doesn't belong to either. I agree, it would be nice if it has been reported also.

>On VFP9 MAX(exp),MIN(exp) can use a index when exp="fieldName",
>but the syntax have to be pure.
>The SYS(3054) return none or full ( a bug ) in any case
>Another issue:
>You cannot define a single index that optimize
>the ON/OFF SET("DELETED") setting.
<snip>
--sb--
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