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-rw-r--r--activerecord/lib/active_record/model.rb12
1 files changed, 11 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/model.rb b/activerecord/lib/active_record/model.rb
index 57553c29eb..44cde49bd5 100644
--- a/activerecord/lib/active_record/model.rb
+++ b/activerecord/lib/active_record/model.rb
@@ -101,9 +101,19 @@ module ActiveRecord
def abstract_class?
false
end
-
+
# Defines the name of the table column which will store the class name on single-table
# inheritance situations.
+ #
+ # The default inheritance column name is +type+, which means it's a
+ # reserved word inside Active Record. To be able to use single-table
+ # inheritance with another column name, or to use the column +type+ in
+ # your own model for something else, you can override this method to
+ # return a different name:
+ #
+ # def self.inheritance_column
+ # 'zoink'
+ # end
def inheritance_column
'type'
end