1 files changed, 4 insertions, 58 deletions
diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index fd8c1da842..21f72bb6c7 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -35,7 +35,8 @@ module ActiveRecord
       end
 
       def initialize_generated_modules # :nodoc:
-        @generated_attribute_methods = GeneratedAttributeMethods.new
+        @generated_attribute_methods = const_set(:GeneratedAttributeMethods, GeneratedAttributeMethods.new)
+        private_constant :GeneratedAttributeMethods
         @attribute_methods_generated = false
         include @generated_attribute_methods
 
@@ -158,57 +159,6 @@ module ActiveRecord
         end
       end
 
-      # Regexp for column names (with or without a table name prefix). Matches
-      # the following:
-      #   "#{table_name}.#{column_name}"
-      #   "#{column_name}"
-      COLUMN_NAME = /\A(?:\w+\.)?\w+\z/i
-
-      # Regexp for column names with order (with or without a table name
-      # prefix, with or without various order modifiers). Matches the following:
-      #   "#{table_name}.#{column_name}"
-      #   "#{table_name}.#{column_name} #{direction}"
-      #   "#{table_name}.#{column_name} #{direction} NULLS FIRST"
-      #   "#{table_name}.#{column_name} NULLS LAST"
-      #   "#{column_name}"
-      #   "#{column_name} #{direction}"
-      #   "#{column_name} #{direction} NULLS FIRST"
-      #   "#{column_name} NULLS LAST"
-      COLUMN_NAME_WITH_ORDER = /
-        \A
-        (?:\w+\.)?
-        \w+
-        (?:\s+asc|\s+desc)?
-        (?:\s+nulls\s+(?:first|last))?
-        \z
-      /ix
-
-      def disallow_raw_sql!(args, permit: COLUMN_NAME) # :nodoc:
-        unexpected = args.reject do |arg|
-          Arel.arel_node?(arg) ||
-            arg.to_s.split(/\s*,\s*/).all? { |part| permit.match?(part) }
-        end
-
-        return if unexpected.none?
-
-        if allow_unsafe_raw_sql == :deprecated
-          ActiveSupport::Deprecation.warn(
-            "Dangerous query method (method whose arguments are used as raw " \
-            "SQL) called with non-attribute argument(s): " \
-            "#{unexpected.map(&:inspect).join(", ")}. Non-attribute " \
-            "arguments will be disallowed in Rails 6.0. This method should " \
-            "not be called with user-provided values, such as request " \
-            "parameters or model attributes. Known-safe values can be passed " \
-            "by wrapping them in Arel.sql()."
-          )
-        else
-          raise(ActiveRecord::UnknownAttributeReference,
-            "Query method called with non-attribute argument(s): " +
-            unexpected.map(&:inspect).join(", ")
-          )
-        end
-      end
-
       # Returns true if the given attribute exists, otherwise false.
       #
       #   class Person < ActiveRecord::Base
@@ -436,7 +386,7 @@ module ActiveRecord
       def attributes_for_update(attribute_names)
         attribute_names &= self.class.column_names
         attribute_names.delete_if do |name|
-          readonly_attribute?(name)
+          self.class.readonly_attribute?(name)
         end
       end
 
@@ -459,12 +409,8 @@ module ActiveRecord
         end
       end
 
-      def readonly_attribute?(name)
-        self.class.readonly_attributes.include?(name)
-      end
-
       def pk_attribute?(name)
-        name == self.class.primary_key
+        name == @primary_key
       end
   end
 end