code: public static TileColumn createColumn(int index, String name,
  			GeoPackageDataType type, Long max, boolean notNull,
  			Object defaultValue) {
  		return new TileColumn(index, name, type, max, notNull, defaultValue,
  				false);
  	}
docs: Create a new column
  
  @param index
  index
  @param name
  name
  @param type
  type
  @param max
  max value
  @param notNull
  not null flag
  @param defaultValue
  default value
  @return tile column