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Slow select statement
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General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Title:
Slow select statement
Miscellaneous
Thread ID:
00442289
Message ID:
00442289
Views:
48
The following select statement works fast from the command window, however it is noticably slower in my form. It is optimizing all the indexes.

SELECT Scorder.ord_acct, Scorder.ord_order, scordln.orl_qty-scordln.orl_qtypicked-scordln.orl_qtyrec as qtyonorder;
FROM scorder LEFT OUTER JOIN scordln ;
ON Scorder.ord_order = Scordln.orl_order ;
where scorder.ord_acct < 200 and upper(scordln.orl_sku) = upper(tcSku) and scordln.orl_dunn # "X";
into cursor cTemp

I changed my form to use the following scan and insert. It is a lot faster.

select scordln
scan for upper(scordln.orl_sku) == upper(tcSku) and scordln.orl_dunn # 'X'
=seek(scordln.orl_order,'scorder','ord_order')
if scorder.ord_acct < 200
insert into cstockorder(cst_acct , cst_order , cst_qty) ;
values (scorder.ord_acct, scorder.ord_order, scordln.orl_qty-scordln.orl_qtypicked-scordln.orl_qtyrec)
endif
endscan

Is a scan & insert normally faster than a select into a cursor?

Thanks

Pat
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