exec_query

# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 159
        def exec_query(sql, name = 'SQL', binds = [])
          execute_and_clear(sql, name, binds) do |result|
            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
            ActiveRecord::Result.new(fields, result.values, types)
          end
        end