fix client bug while executing select

src/Parsers/parseQuery.cpp

@@ -79,7 +79,7 @@ void writeQueryWithHighlightedErrorPositions(
     {
         const char * current_position_to_hilite = positions_to_hilite[position_to_hilite_idx].begin;
 
-        assert(current_position_to_hilite < end);
+        assert(current_position_to_hilite <= end);
         assert(current_position_to_hilite >= begin);
 
         out.write(pos, current_position_to_hilite - pos);