anchor.diff:      function GetFieldIndex(const FieldName: string): integer;
       function GetFieldByName(const FieldName: string): TSQLiteField;
       function GetEnumerator: TUniTableEnumerator;
  +    function GetNativeFields: TFields;
       function FindField(const AFieldName: string): TSQLiteField;
       function FieldAsInteger(I: Cardinal): int64;
       function FieldAsBlob(I: Cardinal): TMemoryStream;
  
positive.code:     property Columns[I: integer]: string read GetColumns;
      property ColCount: Cardinal read GetFieldCount;
      property Row: Cardinal read GetRow;
    end;
  
    /// <summary>
  
negative.code:     function FieldIsNull(I: Cardinal): Boolean;
      function FieldAsString(I: Cardinal): string;
      function FieldAsDouble(I: Cardinal): double;
      function NativeFieldByName(const AFieldname: string): TField;
      function Next: Boolean;
  
      property EOF: Boolean read GetEOF;
  