# File lib/sequel/adapters/oracle.rb, line 117
117:       def fetch_rows(sql)
118:         execute(sql) do |cursor|
119:           begin
120:             @columns = cursor.get_col_names.map{|c| output_identifier(c)}
121:             while r = cursor.fetch
122:               row = {}
123:               r.each_with_index {|v, i| row[@columns[i]] = v unless @columns[i] == :raw_rnum_}
124:               yield row
125:             end
126:           ensure
127:             cursor.close
128:           end
129:         end
130:         self
131:       end