1 files changed, 41 insertions, 0 deletions
diff --git a/activerecord/lib/arel/nodes/select_statement.rb b/activerecord/lib/arel/nodes/select_statement.rb
new file mode 100644
index 0000000000..eff5dad939
--- /dev/null
+++ b/activerecord/lib/arel/nodes/select_statement.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module Arel # :nodoc: all
+  module Nodes
+    class SelectStatement < Arel::Nodes::NodeExpression
+      attr_reader :cores
+      attr_accessor :limit, :orders, :lock, :offset, :with
+
+      def initialize(cores = [SelectCore.new])
+        super()
+        @cores          = cores
+        @orders         = []
+        @limit          = nil
+        @lock           = nil
+        @offset         = nil
+        @with           = nil
+      end
+
+      def initialize_copy(other)
+        super
+        @cores  = @cores.map { |x| x.clone }
+        @orders = @orders.map { |x| x.clone }
+      end
+
+      def hash
+        [@cores, @orders, @limit, @lock, @offset, @with].hash
+      end
+
+      def eql?(other)
+        self.class == other.class &&
+          self.cores == other.cores &&
+          self.orders == other.orders &&
+          self.limit == other.limit &&
+          self.lock == other.lock &&
+          self.offset == other.offset &&
+          self.with == other.with
+      end
+      alias :== :eql?
+    end
+  end
+end