org.axiondb.functions
public class IfThenFunction extends BaseFunction implements ScalarFunction, FunctionFactory
IFTHEN(condition value)
: returns value if condition
evalates to true; else, it returns null.
Version: $Revision: 1.8 $ $Date: 2005/12/20 18:32:28 $
Constructor Summary | |
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IfThenFunction() |
Method Summary | |
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Object | evaluate(RowDecorator row) |
DataType | getDataType() |
boolean | isValid() |
ConcreteFunction | makeNewInstance() |