diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/type/value.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/type/value.rb | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/type/value.rb b/activerecord/lib/active_record/connection_adapters/type/value.rb index 54a3e9dd7a..60b443004c 100644 --- a/activerecord/lib/active_record/connection_adapters/type/value.rb +++ b/activerecord/lib/active_record/connection_adapters/type/value.rb @@ -1,9 +1,11 @@ module ActiveRecord module ConnectionAdapters module Type - class Value # :nodoc: + class Value attr_reader :precision, :scale, :limit + # Valid options are +precision+, +scale+, and +limit+. + # They are only used when dumping schema. def initialize(options = {}) options.assert_valid_keys(:precision, :scale, :limit) @precision = options[:precision] @@ -11,8 +13,13 @@ module ActiveRecord @limit = options[:limit] end + # The simplified that this object represents. Subclasses + # should override this method. def type; end + # Takes an input from the database, or from attribute setters, + # and casts it to a type appropriate for this object. This method + # should not be overriden by subclasses. Instead, override `cast_value`. def type_cast(value) cast_value(value) unless value.nil? end @@ -21,6 +28,10 @@ module ActiveRecord value end + def type_cast_for_database(value) + type_cast_for_write(value) + end + def text? false end @@ -39,7 +50,9 @@ module ActiveRecord private - def cast_value(value) + # Responsible for casting values from external sources to the appropriate + # type. Called by `type_cast` for all values except `nil`. + def cast_value(value) # :api: public value end end |