Level Extreme platform
Subscription
Corporate profile
Products & Services
Support
Legal
Français
Dealing with a long SQL Select
Message
 
 
To
23/12/2015 08:29:38
Dragan Nedeljkovich (Online)
Now officially retired
Zrenjanin, Serbia
General information
Forum:
Visual FoxPro
Category:
Other
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 10
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Miscellaneous
Thread ID:
01629230
Message ID:
01629261
Views:
40
>>>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.

I must have a different/new ODBC on my computer. I am testing with a string of about 17,000 bytes in length and I don't get an error.

But, just like you, I will try to design everything to the lowest common denominator.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
Previous
Next
Reply
Map
View

Click here to load this message in the networking platform