Format the time string according to the precision of the time column

It is also necessary to format a time column like a datetime column.

1 files changed, 0 insertions, 18 deletions

diff --git a/activerecord/lib/active_record/type/date_time.rb b/activerecord/lib/active_record/type/date_time.rb
index 05d2af3808..a5199959b9 100644
--- a/activerecord/lib/active_record/type/date_time.rb
+++ b/activerecord/lib/active_record/type/date_time.rb
@@ -10,24 +10,6 @@ module ActiveRecord
         :datetime
       end
 
-      def serialize(value)
-        if precision && value.respond_to?(:usec)
-          number_of_insignificant_digits = 6 - precision
-          round_power = 10 ** number_of_insignificant_digits
-          value = value.change(usec: value.usec / round_power * round_power)
-        end
-
-        if value.acts_like?(:time)
-          zone_conversion_method = ActiveRecord::Base.default_timezone == :utc ? :getutc : :getlocal
-
-          if value.respond_to?(zone_conversion_method)
-            value = value.send(zone_conversion_method)
-          end
-        end
-
-        value
-      end
-
       private
 
       def cast_value(string)