lib/torque/postgresql/auxiliary_statement/settings.rb in torque-postgresql-0.1.2 vs lib/torque/postgresql/auxiliary_statement/settings.rb in torque-postgresql-0.1.3

@@ -19,12 +19,24 @@
           raise StandardError, 'The query is not defined yet' if query.nil?
           return query.arel_table if relation_query?(query)
           @query_table
         end
 
+        # Grant an easy access to arel table columns
+        def col(name)
+          query_table[name.to_s]
+        end
+
+        alias column col
+
+        # Grant an easy access to arel sql literal
+        def sql(string)
+          ::Arel::Nodes::SqlLiteral.new(string)
+        end
+
         # There are two ways of setting the query:
-        # - A simple relation based on a modle
+        # - A simple relation based on a Model
         # - A string or a proc that requires the table name as first argument
         def query(value = nil, command = nil)
           return @query if value.nil?
           return @query = value if relation_query?(value)
 
@@ -37,10 +49,10 @@
             Only relation, string and proc are valid object types for query,
             #{command.inspect} given.
           MSG
 
           @query = command
-          @query_table = Arel::Table.new(value)
+          @query_table = ::Arel::Table.new(value)
         end
 
       end
     end
   end