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-rw-r--r--activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb18
-rw-r--r--activerecord/test/cases/dirty_test.rb15
2 files changed, 5 insertions, 28 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
index 47a8b576c0..7701001da9 100644
--- a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
+++ b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
@@ -39,14 +39,11 @@ module ActiveRecord
unless time.acts_like?(:time)
time = time.is_a?(String) ? Time.zone.parse(time) : time.to_time rescue time
end
- zoned_time = time && time.in_time_zone rescue nil
- rounded_time = round_usec(zoned_time)
- rounded_value = round_usec(read_attribute("#{attr_name}"))
- if (rounded_value != rounded_time) || (!rounded_value && original_time)
- write_attribute("#{attr_name}", original_time)
- #{attr_name}_will_change!
- @attributes_cache["#{attr_name}"] = zoned_time
- end
+ time = time.in_time_zone rescue nil if time
+ changed = read_attribute(:#{attr_name}) != time
+ write_attribute(:#{attr_name}, original_time)
+ #{attr_name}_will_change! if changed
+ @attributes_cache["#{attr_name}"] = time
end
EOV
generated_attribute_methods.module_eval(method_body, __FILE__, line)
@@ -62,11 +59,6 @@ module ActiveRecord
[:datetime, :timestamp].include?(column.type)
end
end
-
- private
- def round_usec(value)
- value.change(usec: 0) if value
- end
end
end
end
diff --git a/activerecord/test/cases/dirty_test.rb b/activerecord/test/cases/dirty_test.rb
index c8796a94f3..4ac82f6880 100644
--- a/activerecord/test/cases/dirty_test.rb
+++ b/activerecord/test/cases/dirty_test.rb
@@ -551,21 +551,6 @@ class DirtyTest < ActiveRecord::TestCase
end
end
- def test_setting_time_attributes_with_time_zone_field_to_same_time_should_not_be_marked_as_a_change
- in_time_zone 'Paris' do
- target = Class.new(ActiveRecord::Base)
- target.table_name = 'pirates'
-
- created_on = Time.now
-
- pirate = target.create(:created_on => created_on)
- pirate.reload # Here mysql truncate the usec value to 0
-
- pirate.created_on = created_on
- assert !pirate.created_on_changed?
- end
- end
-
def test_datetime_attribute_can_be_updated_with_fractional_seconds
in_time_zone 'Paris' do
target = Class.new(ActiveRecord::Base)