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Can't optimize view
Message
 
À
15/09/1998 16:59:00
Information générale
Forum:
Visual FoxPro
Catégorie:
Problèmes
Divers
Thread ID:
00137005
Message ID:
00137073
Vues:
25
After looking at my answer, I think your problem is really with the "Field1 > Field2" code. Your index evaluates to .T. or .F., so you'll need to match that result with .... AND (Table1.Field1>Table1.Field2) = .T......

Barbara

>I have a view created with synatax like the following:
>CREATE SQL VIEW myView AS;
>SELECT table.field1, table1.field2, table2.field1,;
> table1.field1-table1.field2 as calc;
>FROM table1,table2;
>WHERE table1.fk = table.pk;
>AND table1.field1 > table1.field2
>
>I have indexes on the fields used in the join, and an index on table1.field1 > table1.field2.
>This view runs extremely slowly, and SQL Showplan shows that there is no optimization on either table.
>
>What else can I do to speed this up?
Barbara Paltiel, Paltiel Inc.
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