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 | |
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ConcatFunction() |
Method Summary | |
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Object | evaluate(RowDecorator row) |
DataType | getDataType() |
boolean | isValid() |
ConcreteFunction | makeNewInstance() |