buf.append(code);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String language = DocumentUtil.getValue(doc, fessConfig.getIndexFieldLang(), String.class);
        if (StringUtil.isNotBlank(language)) {
            for (final String f : langFields) {
                buf.append(";ctx._source.").append(f).append('_').append(language).append("=ctx._source.").append(f);
            }

                queryBuf.append('&');
                queryBuf.append(URLUtil.encode(entry.getValue(), Constants.UTF_8));
                queryBuf.append('=');
                queryBuf.append(URLUtil.encode(entry.getKey(), Constants.UTF_8));
                formBuf.append("<input type=\"hidden\" name=\"");
                formBuf.append(StringEscapeUtils.escapeHtml4(entry.getValue()));

        StringBuilder message = new StringBuilder();
        for (int i = 0; i < messages.size(); i++) {
            message.append(indentation)
                    .append('[')
                    .append(i)
                    .append("]  ")
                    .append(messages.get(i))
                    .append(LS);
        }

        return message.toString();
    }

        sb.append(dm).append(accessType);
        sb.append(dm).append(clientIp);
        sb.append(dm).append(hitCount);
        sb.append(dm).append(hitCountRelation);
        sb.append(dm).append(languages);
        sb.append(dm).append(queryId);
        sb.append(dm).append(queryOffset);
        sb.append(dm).append(queryPageSize);
        sb.append(dm).append(queryTime);

      }
      throw new AssertionError();
    }

    @Override
    void describeAsLowerBound(StringBuilder sb) {
      sb.append('[').append(endpoint);
    }

    @Override
    void describeAsUpperBound(StringBuilder sb) {
      sb.append(endpoint).append(')');
    }

    @Override
    C leastValueAbove(DiscreteDomain<C> domain) {
      return endpoint;
    }

    @Override

        final StringBuilder buf = new StringBuilder(100);
        buf.append(methodName).append("(");
        if (argTypes != null && argTypes.length > 0) {
            for (final Class<?> argType : argTypes) {
                buf.append(argType.getName()).append(", ");
            }
            buf.setLength(buf.length() - 2);
        }
        buf.append(")");
        return new String(buf);
    }

    /**

							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now.UnixNano()})
						} else if field.AutoUpdateTime == schema.UnixMillisecond {
							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now.UnixMilli()})
						} else if field.AutoUpdateTime == schema.UnixSecond {

	languages := []Language{
		{Code: "language-many2many-append-1-1", Name: "language-many2many-append-1-1"},
		{Code: "language-many2many-append-2-1", Name: "language-many2many-append-2-1"},
	}
	DB.Create(&languages)

	if err := DB.Model(&user2).Association("Languages").Append(&languages); err != nil {
		t.Fatalf("Error happened when append language, got %v", err)
	}

	user.Languages = append(user.Languages, languages...)

	}

	// Append
	tag3 := &Tag{Locale: "ZH", Value: "tag3"}
	DB.Model(&blog).Association("Tags").Append([]*Tag{tag3})

	if !compareTags(blog.Tags, []string{"tag1", "tag2", "tag3"}) {
		t.Fatalf("Blog should has three tags after Append")
	}

	if count := DB.Model(&blog).Association("Tags").Count(); count != 3 {
		t.Fatalf("Blog should has 3 tags after Append, got %v", count)
	}

	var tags []Tag

            }
        } catch (final Exception e) {
            tempBuf.append("null");
        }
        buf.append(tempBuf.toString());
        return buf;
    }

    /**
     * Appends a timestamp to the buffer.
     *
     * @param buf the string buffer to append to
     * @return the updated buffer
     */