diff options
Diffstat (limited to 'activerecord/lib/active_record/migration/join_table.rb')
-rw-r--r-- | activerecord/lib/active_record/migration/join_table.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/migration/join_table.rb b/activerecord/lib/active_record/migration/join_table.rb new file mode 100644 index 0000000000..01a580781b --- /dev/null +++ b/activerecord/lib/active_record/migration/join_table.rb @@ -0,0 +1,17 @@ +module ActiveRecord + class Migration + module JoinTable #:nodoc: + private + + def find_join_table_name(table_1, table_2, options = {}) + options.delete(:table_name) { join_table_name(table_1, table_2) } + end + + def join_table_name(table_1, table_2) + tables_names = [table_1, table_2].map(&:to_s).sort + + tables_names.join("_").to_sym + end + end + end +end |