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dbfcdx error 1012 corruption detected (dos error 5)
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| Hello:
I'm compiling an app. using:
clipper 5.2e, blinker 6, protected mode, rdd: dbfcdx
The application were running without problem when the error described
in subject arises, i suppose when i started to use IDX indexes in
conjunction with CDX (but not sure)
When one user accesses one record (locking it) to modify a field (that
is part of a cdx tag), and another user try to access the same record,
application hangs. Also hangs just when trying to open the same
database, using "use" command.
I've tried enabling the opportunistic locking but the situation became
worse.
Is there any prevention about using CDX in conjunction with IDX
indexes?
Functions that create IDX are reports or similar that use database for
read only purposes
Thanks in advance
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| Stephen Quinn 2005-10-18, 9:55 pm |
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DOS Error 5 - Access Denied
Maybe you've opened the first instance of the DBF exclusively??
> Is there any prevention about using CDX in conjunction with IDX
> indexes?
Not in my experience - mix and match all you like
- although I didn't do it with DBFCDX (only SIXDRIVER V3))
- DBFCDX in Clipper 5.2e is a cut down version of SIXDRIVER V2.?
HTH
Steve
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| Thanks Steve:
I'v heard about "sixdriver". Could you explain me :
The driver i'm using is the one downloadable from c.a. In most cases
i'm not having problems.
About sixdriver3:
1) Is that driver compatible with Foxpro or Vfp6? (may be i have to
share database between clipper 5.2e and visual foxpro 6.
2) Where can i get the driver? Is it free?
Thanks again
Daniel
Stephen Quinn ha escrito:
> noun
>
> DOS Error 5 - Access Denied
> Maybe you've opened the first instance of the DBF exclusively??
>
> Not in my experience - mix and match all you like
> - although I didn't do it with DBFCDX (only SIXDRIVER V3))
> - DBFCDX in Clipper 5.2e is a cut down version of SIXDRIVER V2.?
>
> HTH
> Steve
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| Stephen Quinn 2005-10-19, 9:55 pm |
| Daniel
> 1) Is that driver compatible with Foxpro or Vfp6? (may be i have to
> share database between clipper 5.2e and visual foxpro 6.
I believe the IDX/CDX format is compatable, you need to be aware of differences
that VFP makes in the DBF headers & field types.
> 2) Where can i get the driver? Is it free?
http://www.vistasoftware.com - No
HTH
Steve
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| Many thanks Stephen.
Stephen Quinn ha escrito:
> Daniel
>
> I believe the IDX/CDX format is compatable, you need to be aware of differences
> that VFP makes in the DBF headers & field types.
>
> http://www.vistasoftware.com - No
>
> HTH
> Steve
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