message: Make join relation print more informative
diff: @@ -51,8 +51,8 @@ const vector<ColumnDefinition> &JoinRelation::Columns() {
  string JoinRelation::ToString(idx_t depth) {
  string str = RenderWhitespace(depth);
  - str = "Join";
  - return str + "\n" + left->ToString(depth + 1) + right->ToString(depth + 1);
  + str = "Join " + JoinTypeToString(join_type);
  + return str + "\n" + left->ToString(depth + 1) + "\n" + right->ToString(depth + 1);
  }
  } // namespace duckdb
  