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View problem - why it's shown as partial optimization?
Message
 
 
To
25/10/2001 16:18:58
Keith Payne
Technical Marketing Solutions
Florida, United States
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Miscellaneous
Thread ID:
00573380
Message ID:
00573394
Views:
26
>>Hi everybody,
>>
>>I've created a local view in View Designer and modified it in EView. I modified SQL to be
>>
>>SELECT rcode, town, record_fm,  record_to, landct_fm, landct_to,  ;
>>calmnth, mdflag, nodata,  notes, ddflag, dsid, state,  extryear, extrweek, ;
>>ccode FROM support!filingdate ;
>>WHERE BETWEEN(dsID , ?lnIdLow, ?lnIDHigh)  ;
>> AND between(state+extryear+extrweek, ?lcStWkLow,  ?lcStWkHIgh) ;
>>ORDER BY extryear DESC, extrweek DESC,  rcode, town
>>
>>On the SQL showplan I see
>>Using index tag Deleted to rushmore optimize table filingdate
>>Rushmore optimization level for table filingdate: partial
>>
>>I have both indexes on DsID and StateWeek in FilingDate table. Do you know, what's the problem?
>>
>>Thanks in advance.
>
>Index stateweek is state+extryear+extrweek ?
>
>- Keith

Yes. BTW, it doesn't show usage of the other index DsID too. May be this Show Plan just doesn't always work correctly...
If it's not broken, fix it until it is.


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