org.axiondb.functions
public class IsNotNullFunction extends BaseFunction implements ScalarFunction, FunctionFactory
Version: $Revision: 1.2 $ $Date: 2004/09/09 23:47:44 $
| Constructor Summary | |
|---|---|
| IsNotNullFunction() | |
| Method Summary | |
|---|---|
| Object | evaluate(RowDecorator row) |
| DataType | getDataType() |
| boolean | isValid() |
| ConcreteFunction | makeNewInstance() |