Now we use TABLE::timestamp_field_type instead of
TABLE::timestamp_default_now/on_update_now for determining
if we should auto-set value of TIMESTAMP field during this operation.
We are also use Field_timestamp::set_time() instead of
handler::update_timestamp().


sql/examples/ha_example.cc:
  Now we use TABLE::timestamp_field_type instead of
  TABLE::timestamp_default_now/on_update_now for determining
  if we should auto-set value of TIMESTAMP field during this operation.
  We are also use Field_timestamp::set_time() instead of
  handler::update_timestamp().
sql/examples/ha_tina.cc:
  Now we use TABLE::timestamp_field_type instead of
  TABLE::timestamp_default_now/on_update_now for determining
  if we should auto-set value of TIMESTAMP field during this operation.
  We are also use Field_timestamp::set_time() instead of
  handler::update_timestamp().