AbstractJsonArrayUnnestFactory - modified for long varchar

gistfile1.txt

class AbstractJsonArrayUnnestFactory : public TransformFunctionFactory {
public:

        virtual void getPrototype(Vertica::ServerInterface &,
                                  Vertica::ColumnTypes &argTypes,
                                  Vertica::ColumnTypes &resTypes)
        {
                //argTypes.addVarchar();
                //resTypes.addVarchar();
                argTypes.addLongVarchar(); /* Adding long varchar data type */
                resTypes.addLongVarchar();
        }

        virtual void getReturnType(Vertica::ServerInterface &,
                                   const Vertica::SizedColumnTypes &argTypes,
                                   Vertica::SizedColumnTypes &resTypes)
        {
                const Vertica::VerticaType &jsonSrcType = argTypes.getColumnType(0);
                //resTypes.addVarchar(jsonSrcType.getStringLength(), T::resultColumnName());
                resTypes.addLongVarchar(jsonSrcType.getStringLength(), T::resultColumnName()); /* Adding long varchar data type */
        }