Added another Redshift error message

lib/blazer/data_source.rb

@@ -82,7 +82,7 @@ module Blazer
             end
           rescue ActiveRecord::StatementInvalid => e
             error = e.message.sub(/.+ERROR: /, "")
-            error = Blazer::TIMEOUT_MESSAGE if error.include?("canceling statement due to statement timeout") || error.include?("cancelled on user's request")
+            error = Blazer::TIMEOUT_MESSAGE if error.include?("canceling statement due to statement timeout") || error.include?("cancelled on user's request") || error.include?("system requested abort query")
           end
         end