DF_DRIVER_FIND_CACHE_TIMEOUT

The timeout (in milliseconds) of the find cache.

Level

Driver

Supported by

The DataFlex SQL Drivers (SQL Server, DB2 and ODBC), revision 5 and higher

Type

Integer, temporary

Access

Read/Write

Values

0..

Syntax

Use cli.pkg

Get_Attribute DF_DRIVER_FIND_CACHE_TIMEOUT of {driverNumber} to {IntegerVariable}

Set_Attribute DF_DRIVER_FIND_CACHE_TIMEOUT of {driverNumber} to {IntegerVariable}

Driver Configuration Keyword

Find_Cache_Timeout

Remarks

Sets up the find cache timeout (in milliseconds). When the time between two find operations using the same cache is larger than the timeout, the driver will fetch data instead of reading from the cache. See Database cursors for more information.

This default value is copied to database level when logging in to the database. The actual value in use for an active connection is that on database level. This attribute merely reflects a default.

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

    Integer iAttribValue iDriver

    Get DriverIndex "MSSQLDRV" to iDriver

    Get_Attribute DF_DRIVER_FIND_CACHE_TIMEOUT of iDriver to iAttribValue      

    Showln "Find cache timeout: " iAttribValue

End_Procedure                                                          

The sample code above shows the current setting for a given driver.