Indicates whether 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 of {driverNumber} to {BooleanVariable}
Set_Attribute DF_DRIVER_USE_CACHE of {driverNumber} to {True|False}
Switches the use of structure caching (using CCH files) on or off. See Structure Caching for more information.
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 of iDriver to bAttribValue
Showln "Use cache: " (If(bAttribValue, "YES", "NO"))
End_Procedure
The sample code above shows the current setting for a given driver.