question: describe getcolumnsize method here . concode_field_sep String name concode_elem_sep String narrTable concode_elem_sep int elementsNumber concode_elem_sep String thematicIdx concode_elem_sep String valDescTableName concode_elem_sep String colDesc concode_elem_sep char type concode_elem_sep char keyType concode_field_sep char getKeyType concode_elem_sep String getName concode_elem_sep char getType concode_elem_sep String getValDescTableName concode_elem_sep String getNarrTable concode_elem_sep boolean isNumeric concode_elem_sep String getColDesc concode_elem_sep String toString concode_elem_sep int getElementsNumber concode_elem_sep String getThematicIdx
target: int function ( ) { return DataUtils . getDataTypeSize ( type ) * elementsNumber ; }