org.axiondb.functions
public class ConcatFunction extends BaseFunction implements ScalarFunction, FunctionFactory
CONCAT(string [, string]*): concatenates one or more
strings.
Evaluates to NULL if any of the arguments are null.
Version: $Revision: 1.7 $ $Date: 2005/12/20 18:32:28 $
| Constructor Summary | |
|---|---|
| ConcatFunction() | |
| Method Summary | |
|---|---|
| Object | evaluate(RowDecorator row) |
| DataType | getDataType() |
| boolean | isValid() |
| ConcreteFunction | makeNewInstance() |