message: No auto-completing of operators
diff: @@ -150,6 +150,9 @@ static vector<AutoCompleteCandidate> SuggestColumnName(ClientContext &context) {
  suggestions.emplace_back(col, 1);
  }
  } else {
  + if (StringUtil::CharacterIsOperator(entry->name[0])) {
  + continue;
  + }
  suggestions.emplace_back(entry->name);
  };
  }
  