streaming: Add stream_session::description

streaming/stream_session.cc

@@ -344,5 +344,8 @@ utils::UUID stream_session::plan_id() {
     return _stream_result ? _stream_result->plan_id : UUID();
 }
 
+sstring stream_session::description() {
+    return _stream_result  ? _stream_result->description : "";
+}
 
 } // namespace streaming

streaming/stream_session.hh

@@ -197,13 +197,8 @@ public:
         return _index;
     }
 
-#if 0
+    sstring description();
 
-    public String description()
-    {
-        return streamResult == null ? null : streamResult.description;
-    }
-#endif
 public:
     bool keep_ss_table_level() {
         return _keep_ss_table_level;