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Why SQL Select from a CA cursor doesn't work
Message
De
29/09/2014 11:55:44
Charlie Schreiner
Myers and Stauffer Consulting
Topeka, Kansas, États-Unis
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01608400
Message ID:
01608463
Vues:
53
SET SQLBUFFERING ON
That's been my default for years. When do you want to select against a CA alias and get what you don't see?


>Thank you.
>
>>You can still use SQL Select with
>>
>>WITH (BUFFERING = .T.)
>>
>>
>>>That must be it. The CA Cursor is buffered. I will change the approach and won't use the SQL Select. Thank you.
>>>
>>>>Buffering?
>>>>
>>>>>I have a strange case where SQL Select from a cursor does not find any records.
>>>>>
>>>>>Example:
>>>>>
>>>>>I have a cursor created with CursorAdapter that has one or more records (verified as follows). Then I try to select from it but nothing is found. Here is an example:
>>>>>
>>>>>
>>>>>select CaCursor
>>>>>browse  && shows that is has records
>>>>>select * from CaCursor where .T. into cursor C_temp
>>>>>if _tally > 0
>>>>>   *-- never gets here
>>>>>endif 
>>>>>select C_temp
>>>>>browse && shows no records.
>>>>>
>>>>>
>>>>>Why could this happen? TIA
Charlie
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