1 files changed, 29 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/determine_if_preparable_visitor.rb b/activerecord/lib/active_record/connection_adapters/determine_if_preparable_visitor.rb
new file mode 100644
index 0000000000..883747b84b
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/determine_if_preparable_visitor.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module ActiveRecord
+  module ConnectionAdapters
+    module DetermineIfPreparableVisitor
+      attr_reader :preparable
+
+      def accept(*)
+        @preparable = true
+        super
+      end
+
+      def visit_Arel_Nodes_In(o, collector)
+        @preparable = false
+        super
+      end
+
+      def visit_Arel_Nodes_NotIn(o, collector)
+        @preparable = false
+        super
+      end
+
+      def visit_Arel_Nodes_SqlLiteral(*)
+        @preparable = false
+        super
+      end
+    end
+  end
+end