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| author | Maurizio De Santis <desantis.maurizio@gmail.com> | 2013-02-07 23:01:19 +0100 |
|---|---|---|
| committer | Maurizio De Santis <desantis.maurizio@gmail.com> | 2013-02-07 23:01:19 +0100 |
| commit | 7c663f507f5b4f1f443949c92dbc375d42dbd6b8 (patch) | |
| tree | 715d5c40b75f338162cb7926de917cb3e1567a8f /activerecord/lib | |
| parent | cf5e0f490cf9f9c82b322263dc768176edbdc27f (diff) | |
| download | rails-7c663f507f5b4f1f443949c92dbc375d42dbd6b8.tar.gz rails-7c663f507f5b4f1f443949c92dbc375d42dbd6b8.tar.bz2 rails-7c663f507f5b4f1f443949c92dbc375d42dbd6b8.zip | |
Add example for ActiveRecord::Base.joins using a string as argument
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/relation/query_methods.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 4e4e58b319..63836bf375 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -305,6 +305,11 @@ module ActiveRecord # # User.joins(:posts) # => SELECT "users".* FROM "users" INNER JOIN "posts" ON "posts"."user_id" = "users"."id" + # + # You can use strings in order to customize your joins: + # + # User.joins("LEFT JOIN bookmarks ON bookmarks.bookmarkable_type = 'Post' AND bookmarks.user_id = users.id") + # => SELECT "users".* FROM "users" LEFT JOIN bookmarks ON bookmarks.bookmarkable_type = 'Post' AND bookmarks.user_id = users.id def joins(*args) args.compact.blank? ? self : spawn.joins!(*args.flatten) end |