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-rw-r--r--activerecord/lib/active_record/inheritance.rb6
-rw-r--r--activerecord/lib/active_record/persistence.rb17
2 files changed, 14 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb
index 3a17f74b1d..3b6fb70d0d 100644
--- a/activerecord/lib/active_record/inheritance.rb
+++ b/activerecord/lib/active_record/inheritance.rb
@@ -52,7 +52,11 @@ module ActiveRecord
attrs = args.first
if has_attribute?(inheritance_column)
- subclass = subclass_from_attributes(attrs) || subclass_from_attributes(column_defaults)
+ subclass = subclass_from_attributes(attrs)
+
+ if subclass.nil? && base_class == self
+ subclass = subclass_from_attributes(column_defaults)
+ end
end
if subclass && subclass != self
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index 522c35252f..4d661735cc 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -102,10 +102,10 @@ module ActiveRecord
# Saves the model.
#
- # If the model is new a record gets created in the database, otherwise
+ # If the model is new, a record gets created in the database, otherwise
# the existing record gets updated.
#
- # By default, save always run validations. If any of them fail the action
+ # By default, save always runs validations. If any of them fail the action
# is cancelled and #save returns +false+. However, if you supply
# validate: false, validations are bypassed altogether. See
# ActiveRecord::Validations for more information.
@@ -132,9 +132,10 @@ module ActiveRecord
# If the model is new, a record gets created in the database, otherwise
# the existing record gets updated.
#
- # With #save! validations always run. If any of them fail
- # ActiveRecord::RecordInvalid gets raised. See ActiveRecord::Validations
- # for more information.
+ # By default, #save! always runs validations. If any of them fail
+ # ActiveRecord::RecordInvalid gets raised. However, if you supply
+ # validate: false, validations are bypassed altogether. See
+ # ActiveRecord::Validations for more information.
#
# By default, #save! also sets the +updated_at+/+updated_on+ attributes to
# the current time. However, if you supply <tt>touch: false</tt>, these
@@ -246,7 +247,7 @@ module ActiveRecord
# This method raises an ActiveRecord::ActiveRecordError if the
# attribute is marked as readonly.
#
- # See also #update_column.
+ # Also see #update_column.
def update_attribute(name, value)
name = name.to_s
verify_readonly_attribute(name)
@@ -348,7 +349,7 @@ module ActiveRecord
end
# Wrapper around #decrement that saves the record. This method differs from
- # its non-bang version in that it passes through the attribute setter.
+ # its non-bang version in the sense that it passes through the attribute setter.
# Saving is not subjected to validation checks. Returns +true+ if the
# record could be saved.
def decrement!(attribute, by = 1)
@@ -373,7 +374,7 @@ module ActiveRecord
end
# Wrapper around #toggle that saves the record. This method differs from
- # its non-bang version in that it passes through the attribute setter.
+ # its non-bang version in the sense that it passes through the attribute setter.
# Saving is not subjected to validation checks. Returns +true+ if the
# record could be saved.
def toggle!(attribute)