Implement name function for SqlLiteral to allow Rails 6.1 to process …

…CTE's

lib/active_record_extended/arel.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require "active_record_extended/arel/nodes"
+require "active_record_extended/arel/sql_literal"
 require "active_record_extended/arel/aggregate_function_name"
 require "active_record_extended/arel/predications"
 require "active_record_extended/arel/visitors/postgresql_decorator"

lib/active_record_extended/arel/sql_literal.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+require "arel/nodes/sql_literal"
+
+# CTE alias fix for Rails 6.1
+module Arel
+  module Nodes
+    module SqlLiteralDecorator
+      def name
+        self
+      end
+    end
+  end
+end
+
+Arel::Nodes::SqlLiteral.prepend(Arel::Nodes::SqlLiteralDecorator)

lib/active_record_extended/arel/visitors/postgresql_decorator.rb

@@ -75,16 +75,6 @@ def visit_Arel_Nodes_ArrayAgg(object, collector)
         aggregate "ARRAY_AGG", object, collector
       end
 
-      def visit_Arel_Nodes_With(o, collector)
-        collector << "WITH "
-        inject_join o.children, collector, ", "
-      end
-
-      def visit_Arel_Nodes_WithRecursive(o, collector)
-        collector << "WITH RECURSIVE "
-        inject_join o.children, collector, ", "
-      end
-
       def visit_Arel_Nodes_AggregateFunctionName(object, collector)
         collector << "#{object.name}("
         collector << "DISTINCT " if object.distinct