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Speed up ADO
Message
From
14/12/2000 18:30:20
John Ryan
Captain-Cooker Appreciation Society
Taumata Whakatangi ..., New Zealand
 
 
To
14/12/2000 04:39:01
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Title:
Miscellaneous
Thread ID:
00452944
Message ID:
00453678
Views:
13
Jan

Why not convert the ADO recordset to a VFP cursor and work from there?

If the join field to the target table is indexed then set a relation to it, after which you can achieve what you need with a single update or replace command
select mycursor
replace mytable.field1 with mycursor.field1,;
  mytable.field2 with mycursor.field2... all
If the join field in the target table is not indexed, then use a SQL statement (if necessary index the cursor on the join field to get Rushmore) to pull the table records, then use cursorsetprop() to make the resulting cursor editable, then repeat the above. It will take longer because of view buffering but will still be quicker than ADO.

IMHO ADO is quite a viable way to share data between apps but I agree that it may not be the best way to process data. In this case I do not see that you have to process using ADO, so I wouldn't hesitate to do try the above.

HTH

Regards

JR
"... They ne'er cared for us
yet: suffer us to famish, and their store-houses
crammed with grain; make edicts for usury, to
support usurers; repeal daily any wholesome act
established against the rich, and provide more
piercing statutes daily, to chain up and restrain
the poor. If the wars eat us not up, they will; and
there's all the love they bear us.
"
-- Shakespeare: Coriolanus, Act 1, scene 1
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