diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/enum.rb | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index 8eaea6c055..442fb3fdc9 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -36,7 +36,6 @@ module ActiveRecord # needs: # # Conversation.where(status: [:active, :archived]) - # Conversation.where("status <> ?", :active) # # You can set the default value from the database declaration, like: # @@ -70,6 +69,13 @@ module ActiveRecord # Conversation.statuses[:active] # => 0 # Conversation.statuses["archived"] # => 1 # + # Use that class method when you need to know the ordinal value of an enum. For + # example, you can use that when manually building a SQL string inside a `where` + # condition: + # + # Conversation.where("status <> ?", Conversation.statuses[:archived]) + # + module Enum def self.extended(base) # :nodoc: base.class_attribute(:defined_enums) |