# File lib/sequel/adapters/oracle.rb, line 103
103:       def fetch_rows(sql, &block)
104:         execute(sql) do |cursor|
105:           begin
106:             @columns = cursor.get_col_names.map{|c| output_identifier(c)}
107:             while r = cursor.fetch
108:               row = {}
109:               r.each_with_index {|v, i| row[@columns[i]] = v unless @columns[i] == :raw_rnum_}
110:               yield row
111:             end
112:           ensure
113:             cursor.close
114:           end
115:         end
116:         self
117:       end