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SQL Connection timeout
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To
14/10/2016 09:36:15
General information
Forum:
Microsoft SQL Server
Category:
Other
Miscellaneous
Thread ID:
01641891
Message ID:
01641957
Views:
30
>>>When connecting to SQL server from a VFP 9 application where is the time out set? in VFP application or in SQL server?
>>> How do I determine and change it? (I want to force a time out so that I can test my code).
>>>
>>>TIA
>>
>>Could someone explain what should happen to the SQL Connection handle variable when the Idle Times fires? For example, if I have the the following code:
>>
>>SQLSETPROP( nSqlConnHandle,"IdleTimeout", 1)
>>
>>
>>What would happen to nSqlConnHandle if the application is idle for 1+ minutes?
>>Or what would be returned by the following SQL:
>>
>>SQLEXEC( nSqlConnHandle, "SELECT CAST(1 as bit) As Test", "crsTestConnection") 
>>
>>?
>
>According to VFP documentation, the connection is closed at least 1 minute after it becomes idle (and up to 2 minutes). It is automatically reconnected when an ODBC operation requires it.
>
>Keep in mind that the VFP connection handle is not the same as the ODBC connection handle. A reconnected timed out connection changes its ODBC connection handle (most probably) but not its VFP connection handle (the one that is really important for you).

Thank you for the explanation. I was trying to emulate the case when customer gets the error [Microsoft][ODBC SQL Server Driver]Communication link failure. But it looks like I cannot do it easily.
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