Add case_sensitive_equality_operator.

Author: metaskills

lib/active_record/connection_adapters/sqlserver_adapter.rb

@@ -361,6 +361,10 @@ def empty_insert_statement(table_name)
         "INSERT INTO #{quote_table_name(table_name)} DEFAULT VALUES"
       end
 
+      def case_sensitive_equality_operator
+        "COLLATE Latin1_General_CS_AS ="
+      end
+      
       # SCHEMA STATEMENTS ========================================#
 
       def native_database_types