From 0f76d923c8aec6dc4682a4bf01be603b272091cf Mon Sep 17 00:00:00 2001
From: Jens Nockert <jens@nockert.se>
Date: Fri, 5 Jul 2019 10:57:19 +0200
Subject: [PATCH] Fix concatenate syntax

---
 lib/arel/visitors/sqlserver.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/arel/visitors/sqlserver.rb b/lib/arel/visitors/sqlserver.rb
index 84c0e601c..822231262 100644
--- a/lib/arel/visitors/sqlserver.rb
+++ b/lib/arel/visitors/sqlserver.rb
@@ -22,6 +22,12 @@ def visit_Arel_Nodes_Bin o, collector
         collector << " #{ActiveRecord::ConnectionAdapters::SQLServerAdapter.cs_equality_operator} "
       end
 
+      def visit_Arel_Nodes_Concat(o, collector)
+        visit o.left, collector
+        collector << " + "
+        visit o.right, collector
+      end
+
       def visit_Arel_Nodes_UpdateStatement(o, a)
         if o.orders.any? && o.limit.nil?
           o.limit = Nodes::Limit.new(9_223_372_036_854_775_807)