question: public static void columnsFor ( ResultSet resultSet , Consumer < Column > consumer ) throws SQLException { ResultSetMetaData metadata = resultSet . getMetaData ( ) ; ColumnEditor column = Column . editor ( ) ; for ( int position = 1 ; position <= metadata . getColumnCount ( ) ; ++ position ) { String columnLabel = metadata . getColumnLabel ( position ) ; column . name ( columnLabel != null ? columnLabel : metadata . getColumnName ( position ) ) ; column . type ( metadata . getColumnTypeName ( position ) ) ; column . jdbcType ( metadata . getColumnType ( position ) ) ; column . length ( metadata . getPrecision ( position ) ) ; column . scale ( metadata . getScale ( position ) ) ; column . optional ( isNullable ( metadata . isNullable ( position ) ) ) ; column . autoIncremented ( metadata . isAutoIncrement ( position ) ) ; column . generated ( false ) ; consumer . accept ( column . create ( ) ) ; } }
target:  Determine the column definitions for the supplied result set and add each column to the specified consumer.