adding some deprecated classes

4 files changed, 21 insertions, 0 deletions

diff --git a/lib/arel.rb b/lib/arel.rb
index b322e930be..4584584c35 100644
--- a/lib/arel.rb
+++ b/lib/arel.rb
@@ -5,3 +5,4 @@ require 'arel/nodes'
 
 # below is deprecated
 require 'arel/sql/engine'
+require 'arel/sql_literal'
diff --git a/lib/arel/nodes.rb b/lib/arel/nodes.rb
index 855d8cf236..07a687405f 100644
--- a/lib/arel/nodes.rb
+++ b/lib/arel/nodes.rb
@@ -1 +1,2 @@
 require 'arel/nodes/equality'
+require 'arel/nodes/sql_literal'
diff --git a/lib/arel/nodes/sql_literal.rb b/lib/arel/nodes/sql_literal.rb
new file mode 100644
index 0000000000..45866adfa8
--- /dev/null
+++ b/lib/arel/nodes/sql_literal.rb
@@ -0,0 +1,11 @@
+module Arel
+  module Nodes
+    class SqlLiteral
+      attr_accessor :string
+
+      def initialize string
+        @string = string
+      end
+    end
+  end
+end
diff --git a/lib/arel/sql_literal.rb b/lib/arel/sql_literal.rb
new file mode 100644
index 0000000000..f844ea62ce
--- /dev/null
+++ b/lib/arel/sql_literal.rb
@@ -0,0 +1,8 @@
+module Arel
+  class SqlLiteral < Nodes::SqlLiteral
+    def initialize string
+      warn "#{caller.first} should use Nodes::SqlLiteral"
+      super
+    end
+  end
+end