final String tag = element.getTagName();
        buf.append('<');
        buf.append(tag);
        appendAttrs(element.getAttributes(), buf);
        buf.append('>');
        appendChildren(element.getChildNodes(), buf);
        buf.append("</");
        buf.append(tag);
        buf.append('>');
    }

    /**
     * Appends the string representation of a {@link NodeList}.
     *

        appendable.append(joiner.toString(entry.getKey()));
        appendable.append(keyValueSeparator);
        appendable.append(joiner.toString(entry.getValue()));
        while (parts.hasNext()) {
          appendable.append(joiner.separator);
          Entry<?, ?> e = parts.next();
          appendable.append(joiner.toString(e.getKey()));
          appendable.append(keyValueSeparator);

                tempBuf.append(Arrays.toString((double[]) value));
            } else {
                tempBuf.append('"').append(StringEscapeUtils.escapeJson(value.toString())).append('"');
            }
        } catch (final Exception e) {
            tempBuf.append("null");
        }
        buf.append(tempBuf.toString());
        return buf;
    }

    /**
     * Appends a timestamp to the buffer.
     *

	}

	if result.Name != "groupby1" || result.Total != 660 {
		t.Errorf("name should be groupby, total should be 660, but got %+v", result)
	}

	var active bool
	if err := DB.Model(&User{}).Select("name, active, sum(age)").Where("name = ? and active = ?", "groupby", true).Group("name").Group("active").Row().Scan(&name, &active, &total); err != nil {
		t.Errorf("no error should happen, but got %v", err)
	}

		}
	}()
	// TODO(http://golang.org/issue/51462): We should rely on the append-make
	// pattern so that the compiler can call runtime.growslice. For example:
	//	return append(b, make([]byte, n)...)
	// This avoids unnecessary zero-ing of the first len(b) bytes of the
	// allocated slice, but this pattern causes b to escape onto the heap.
	//
	// Instead use the append-make pattern with a nil slice to ensure that

    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      StringBuilder sb = new StringBuilder();
      boolean append = false;
      for (String comp : components) {
        if (append) {
          sb.append(DELIMITER_STRING);
        }
        sb.append(comp);
        append = true;
      }
      dummy ^= sb.toString().length();
    }
    return dummy;
  }

  /**

    }
  }

  @Override
  public Writer append(char c) throws IOException {
    checkNotClosed();
    target.append(c);
    return this;
  }

  @Override
  public Writer append(@Nullable CharSequence charSeq) throws IOException {
    checkNotClosed();
    target.append(charSeq);
    return this;
  }

  @Override

    compiling from source placeholder: validations: required: false

-   type: textarea id: what-happened attributes: label: Current Behaviour?
    description: Also tell us, what did you expect to happen? placeholder: Tell
    us what you see! value: "A bug happened!" render: shell validations:
    required: true

-   type: textarea id: code-to-reproduce attributes: label: Standalone code to

            if (values == null) {
                // nothing
            } else if (values.length == 1) {
                queryBuf.append(' ').append(key).append(":\"").append(values[0]).append('\"');
            } else if (values.length > 1) {
                boolean first = true;
                queryBuf.append(" (");
                for (final String value : values) {
                    if (first) {
                        first = false;

			pet.Toy = Toy{Name: user.Name + "_toy_nested_preload_" + strconv.Itoa(idx+1)}
		}
	}

	if err := DB.Create(&users).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	var userIDs []uint
	for _, user := range users {
		userIDs = append(userIDs, user.ID)
	}

	var users2 []User
	DB.Preload("Pets.Toy").Find(&users2, "id IN ?", userIDs)

	for idx, user := range users2 {