diff options
Diffstat (limited to 'activerecord/lib/arel/nodes/join_source.rb')
-rw-r--r-- | activerecord/lib/arel/nodes/join_source.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/activerecord/lib/arel/nodes/join_source.rb b/activerecord/lib/arel/nodes/join_source.rb new file mode 100644 index 0000000000..abf0944623 --- /dev/null +++ b/activerecord/lib/arel/nodes/join_source.rb @@ -0,0 +1,20 @@ +# frozen_string_literal: true + +module Arel # :nodoc: all + module Nodes + ### + # Class that represents a join source + # + # http://www.sqlite.org/syntaxdiagrams.html#join-source + + class JoinSource < Arel::Nodes::Binary + def initialize(single_source, joinop = []) + super + end + + def empty? + !left && right.empty? + end + end + end +end |