add missing `:nodoc:` for recent refactorings. [ci skip]

Adding `# :nodoc:` to the parent `class` / `module` is not going
to ignore nested classes or modules.

There is a modifier `# :nodoc: all` but sadly the containing class
or module will continue to be in the docs.

/cc @sgrif

activerecord/lib/active_record/attribute.rb

@@ -49,19 +49,19 @@ def initialize_dup(other)
       end
     end
 
-    class FromDatabase < Attribute
+    class FromDatabase < Attribute # :nodoc:
       def type_cast(value)
         type.type_cast_from_database(value)
       end
     end
 
-    class FromUser < Attribute
+    class FromUser < Attribute # :nodoc:
       def type_cast(value)
         type.type_cast_from_user(value)
       end
     end
 
-    class Null
+    class Null # :nodoc:
       class << self
         attr_reader :value, :value_before_type_cast, :value_for_database
 

activerecord/lib/active_record/attribute_decorators.rb

@@ -7,7 +7,7 @@ module AttributeDecorators # :nodoc:
       self.attribute_type_decorations = TypeDecorator.new
     end
 
-    module ClassMethods
+    module ClassMethods # :nodoc:
       def decorate_attribute_type(column_name, decorator_name, &block)
         matcher = ->(name, _) { name == column_name.to_s }
         key = "_#{column_name}_#{decorator_name}"
@@ -32,7 +32,7 @@ def add_user_provided_columns(*)
       end
     end
 
-    class TypeDecorator
+    class TypeDecorator # :nodoc:
       delegate :clear, to: :@decorations
 
       def initialize(decorations = {})

activerecord/lib/active_record/attribute_set.rb

@@ -30,7 +30,7 @@ def initialize_clone(_)
       super
     end
 
-    class Builder
+    class Builder # :nodoc:
       def initialize(types)
         @types = types
       end
@@ -48,6 +48,5 @@ def build_from_database(values, additional_types = {})
     protected
 
     attr_reader :attributes
-
   end
 end

activerecord/lib/active_record/attributes.rb

@@ -9,7 +9,7 @@ module Attributes # :nodoc:
       self.user_provided_columns = {}
     end
 
-    module ClassMethods
+    module ClassMethods # :nodoc:
       # Defines or overrides a attribute on this model. This allows customization of
       # Active Record's type casting behavior, as well as adding support for user defined
       # types.

activerecord/lib/active_record/connection_adapters/mysql_adapter.rb

@@ -263,7 +263,7 @@ def last_inserted_id(result)
       end
 
       module Fields # :nodoc:
-        class DateTime < Type::DateTime
+        class DateTime < Type::DateTime # :nodoc:
           def cast_value(value)
             if Mysql::Time === value
               new_time(
@@ -280,7 +280,7 @@ def cast_value(value)
           end
         end
 
-        class Time < Type::Time
+        class Time < Type::Time # :nodoc:
           def cast_value(value)
             if Mysql::Time === value
               new_time(

activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Array < Type::Value
+        class Array < Type::Value # :nodoc:
           include Type::Mutable
 
           # Loads pg_array_parser if available. String parsing can be

activerecord/lib/active_record/connection_adapters/postgresql/oid/bit.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Bit < Type::Value
+        class Bit < Type::Value # :nodoc:
           def type
             :bit
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/bit_varying.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class BitVarying < OID::Bit
+        class BitVarying < OID::Bit # :nodoc:
           def type
             :bit_varying
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/bytea.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Bytea < Type::Binary
+        class Bytea < Type::Binary # :nodoc:
           def type_cast_from_database(value)
             return if value.nil?
             PGconn.unescape_bytea(super)

activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Cidr < Type::Value
+        class Cidr < Type::Value # :nodoc:
           def type
             :cidr
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/date.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Date < Type::Date
+        class Date < Type::Date # :nodoc:
           include Infinity
         end
       end

activerecord/lib/active_record/connection_adapters/postgresql/oid/date_time.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class DateTime < Type::DateTime
+        class DateTime < Type::DateTime # :nodoc:
           include Infinity
 
           def cast_value(value)

activerecord/lib/active_record/connection_adapters/postgresql/oid/decimal.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Decimal < Type::Decimal
+        class Decimal < Type::Decimal # :nodoc:
           def infinity(options = {})
             BigDecimal.new("Infinity") * (options[:negative] ? -1 : 1)
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/enum.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Enum < Type::Value
+        class Enum < Type::Value # :nodoc:
           def type
             :enum
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/float.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Float < Type::Float
+        class Float < Type::Float # :nodoc:
           include Infinity
 
           def cast_value(value)

activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Hstore < Type::Value
+        class Hstore < Type::Value # :nodoc:
           include Type::Mutable
 
           def type

activerecord/lib/active_record/connection_adapters/postgresql/oid/inet.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Inet < Cidr
+        class Inet < Cidr # :nodoc:
           def type
             :inet
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/infinity.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        module Infinity
+        module Infinity # :nodoc:
           def infinity(options = {})
             options[:negative] ? -::Float::INFINITY : ::Float::INFINITY
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/integer.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Integer < Type::Integer
+        class Integer < Type::Integer # :nodoc:
           include Infinity
         end
       end

activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Json < Type::Value
+        class Json < Type::Value # :nodoc:
           include Type::Mutable
 
           def type

activerecord/lib/active_record/connection_adapters/postgresql/oid/money.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Money < Type::Decimal
+        class Money < Type::Decimal # :nodoc:
           include Infinity
 
           class_attribute :precision

activerecord/lib/active_record/connection_adapters/postgresql/oid/point.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Point < Type::Value
+        class Point < Type::Value # :nodoc:
           include Type::Mutable
 
           def type

activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Range < Type::Value
+        class Range < Type::Value # :nodoc:
           attr_reader :subtype, :type
 
           def initialize(subtype, type)

activerecord/lib/active_record/connection_adapters/postgresql/oid/specialized_string.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class SpecializedString < Type::String
+        class SpecializedString < Type::String # :nodoc:
           attr_reader :type
 
           def initialize(type)

activerecord/lib/active_record/connection_adapters/postgresql/oid/time.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Time < Type::Time
+        class Time < Type::Time # :nodoc:
           include Infinity
         end
       end

activerecord/lib/active_record/connection_adapters/postgresql/oid/uuid.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Uuid < Type::Value
+        class Uuid < Type::Value # :nodoc:
           def type
             :uuid
           end

activerecord/lib/active_record/connection_adapters/postgresql/oid/vector.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Vector < Type::Value
+        class Vector < Type::Value # :nodoc:
           attr_reader :delim, :subtype
 
           # +delim+ corresponds to the `typdelim` column in the pg_types

activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb

@@ -186,7 +186,7 @@ def array_column(column)
           end
         end
 
-        class AdapterProxyType < SimpleDelegator
+        class AdapterProxyType < SimpleDelegator # :nodoc:
           def initialize(column, adapter)
             @column = column
             @adapter = adapter

activerecord/lib/active_record/locking/optimistic.rb

@@ -170,7 +170,7 @@ def update_counters(id, counters)
       end
     end
 
-    class LockingType < SimpleDelegator
+    class LockingType < SimpleDelegator # :nodoc:
       def type_cast_from_database(value)
         # `nil` *should* be changed to 0
         super.to_i

activerecord/lib/active_record/type/binary.rb

@@ -22,7 +22,7 @@ def type_cast_for_database(value)
         Data.new(super)
       end
 
-      class Data
+      class Data # :nodoc:
         def initialize(value)
           @value = value
         end

activerecord/lib/active_record/type/mutable.rb

 module ActiveRecord
   module Type
-    module Mutable
+    module Mutable # :nodoc:
       def type_cast_from_user(value)
         type_cast_from_database(type_cast_for_database(value))
       end