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Dealing with a long SQL Select
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À
23/12/2015 08:29:38
Dragan Nedeljkovich (En ligne)
Now officially retired
Zrenjanin, Serbia
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows 10
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01629230
Message ID:
01629251
Vues:
27
>>>Hi,
>>>
>>>I have a place in the program where the SQL Select (that selects records for a Cursor Adapter) is built dynamically as follows:
>>>
>>>
>>>select * from MyTable where OrderNo in (Number1, Number2, .... )
>>>
>>>
>>>The part in parenthesis is built dynamically and the user can select pretty much any number of order numbers to include. So if the entire SQL Select becomes too long, it bombs. Any suggestions on how I could simplify this but still allow user to select any number of "orders"?
>>>
>>>TIA
>>
>>I am looking through VFP 9 help but can't find the max length of a SQL Select String allowed to fill Cursor Adapter cursor. If someone knows, please let me know.
>
>Depending on the version of your ODBC driver, it may be 8192 bytes (the 2000 version). Not sure about the latter, because I have to stick with that one, it being installed pretty much everywhere, i.e. the lowest common denominator.

For some reason the number of about 8000 is in my head too. I will double check.
Thank you!
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