exec_query

# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 136
        def exec_query(sql, name = 'SQL', binds = [])
          result = without_prepared_statement?(binds) ? exec_no_cache(sql, name, binds) :
                                                        exec_cache(sql, name, binds)

          types = {}
          fields = result.fields
          fields.each_with_index do |fname, i|
            ftype = result.ftype i
            fmod  = result.fmod i
            types[fname] = get_oid_type(ftype, fmod, fname)
          end

          ret = ActiveRecord::Result.new(fields, result.values, types)
          result.clear
          return ret
        end