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Force read of a dbf
Message
From
28/01/2016 03:25:38
 
 
To
28/01/2016 03:19:24
Lutz Scheffler (Online)
Lutz Scheffler Software Ingenieurbüro
Dresden, Germany
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 8.1
Network:
SAMBA Server
Database:
Visual FoxPro
Application:
Desktop
Miscellaneous
Thread ID:
01630339
Message ID:
01630340
Views:
89
This message has been marked as a message which has helped to the initial question of the thread.
>How to force read of a DBF?
>
>I have a dbf in concurent use.
>
>This is, a record is changed.
>I try to TABLEUPDATE, this fails due to a field changed. This is intended.
>If I set the field wo the right value TABLEUPDATE still fails. A SELECT will bring right result.
>
>The only way to force right result right now is to close the dbf and let TABLEUPDATE reopen it.
>
>Any idea aside USE IN SELECT(cALIAS) to force the dbf to refresh?

FLOCK() / RLOCK() should do it.

My understanding is, by design, those are the ONLY ways you can be guaranteed to get the currently persisted values.
Regards. Al

"Violence is the last refuge of the incompetent." -- Isaac Asimov
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