diff options
Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/association_basics.md | 5 | ||||
| -rw-r--r-- | guides/source/configuring.md | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md index cd715aba1f..0079049d44 100644 --- a/guides/source/association_basics.md +++ b/guides/source/association_basics.md @@ -833,6 +833,7 @@ The `belongs_to` association supports these options: * `:polymorphic` * `:touch` * `:validate` +* `:optional` ##### `:autosave` @@ -956,6 +957,10 @@ end If you set the `:validate` option to `true`, then associated objects will be validated whenever you save this object. By default, this is `false`: associated objects will not be validated when this object is saved. +##### `:optional` + +If you set the `:optional` option to `true`, then associated object will be validated for presence. By default, this is `false`: associated objects will be validated for presence. + #### Scopes for `belongs_to` There may be times when you wish to customize the query used by `belongs_to`. Such customizations can be achieved via a scope block. For example: diff --git a/guides/source/configuring.md b/guides/source/configuring.md index ab1cc9306f..4fc1301e06 100644 --- a/guides/source/configuring.md +++ b/guides/source/configuring.md @@ -300,6 +300,8 @@ All these configuration options are delegated to the `I18n` library. `config/environments/production.rb` which is generated by Rails. The default value is true if this configuration is not set. +* `config.active_record.belongs_to_required_by_default` is a boolean value and controls whether `belongs_to` association is required by default. + The MySQL adapter adds one additional configuration option: * `ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans` controls whether Active Record will consider all `tinyint(1)` columns in a MySQL database to be booleans and is true by default. |