Code string `gorm:"primarykey"`
			Name string
			Lang string `gorm:"<-:create"`
		}

		r := DB.Session(&gorm.Session{DryRun: true}).Clauses(clause.OnConflict{UpdateAll: true}).Create(&RestrictedLanguage{Code: "upsert_code", Name: "upsert_name", Lang: "upsert_lang"})
		if !regexp.MustCompile(`INTO .restricted_languages. .*\(.code.,.name.,.lang.\) .* (SET|UPDATE) .name.=.*.name.\W*$`).MatchString(r.Statement.SQL.String()) {

     */
    public String getUserCode() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            String userCode = (String) request.getAttribute(Constants.USER_CODE);
            if (StringUtil.isNotBlank(userCode)) {
                return userCode;
            }

            userCode = getUserCodeFromRequest(request);
            if (StringUtil.isNotBlank(userCode)) {

    /** Results per page parameter name. */
    public static final String RESULTS_PER_PAGE = "resultsPerPage";

    /** User code parameter name. */
    public static final String USER_CODE = "userCode";

    /** Search query field name for logging. */
    public static final String SEARCH_FIELD_LOG_SEARCH_QUERY = "q";

    /** Statistics report type parameter name. */