Indicates whether expiration checking when structure caching must be used.
Driver
The DataFlex SQL Drivers (SQL Server, DB2 and ODBC), revision 5 and higher
Boolean, temporary
Read/Write
True, False
Use cli.pkg
Get_Attribute DF_DRIVER_USE_CACHE_EXPIRATION of {driverNumber} to {BooleanVariable}
Set_Attribute DF_DRIVER_USE_CACHE_EXPIRATION of {driverNumber} to {True|False}
Switches the structure caching intermediate file expiration checking on or off.
Function DriverIndex String sDriver Returns Integer
String sCurrentDriver
Integer iNumberOfDrivers iDriver iCount
Move 0 to iDriver
Get_Attribute DF_NUMBER_DRIVERS to iNumberOfDrivers
For iCount From 1 To iNumberOfDrivers
Get_Attribute DF_DRIVER_NAME of iCount To sCurrentDriver
If ( Uppercase(sCurrentDriver) = Uppercase(sDriver) ) Begin
Move iCount to iDriver
End
Loop
Function_Return iDriver
End_Function // DriverIndex
Procedure ShowDriverAttribute
Boolean bAttribValue
Integer iDriver
Get DriverIndex "MSSQLDRV" To iDriver
Get_Attribute DF_DRIVER_USE_CACHE_EXPIRATION of iDriver to bAttribValue
Showln "Use cache expiration: " (If(bAttribValue, "YES", "NO"))
End_Procedure
The sample code above shows the current setting for a given driver.