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Recall and Select Sql
Message
De
19/07/2003 05:54:02
 
 
À
18/07/2003 13:17:43
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00811558
Message ID:
00811753
Vues:
10
Hi Pedro,

SELECT NumDoc FROM LinhaFac WHERE recallAble INTO CURSOR docToRecal

fast way on VFP depend by data,index context.

Two way exist:

* if RECCOUNT(docToRecal)/RECCOUNT(LinhaFac)<<1
INDEX ON NumDoc TAG TAG1	&& ACTIVE
SELECT docToRecal
SCAN
  RECALL NEXT 1 WHILE SEEK(docToRecal.NumDoc) IN LinhaFac 
ENDSCAN
* if RECCOUNT(docToRecal)/RECCOUNT(LinhaFac)<1
SELECT docToRecal
INDEX ON NumDoc TAG TAG2
RECALL FOR DELETED() AND KEYMATCH(NumDoc,1,'docToRecal') IN LinhaFac 
Fabio
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