@Override
    public String updateDataConfig(String extParams, InlongStreamEntity streamEntity, DataConfig dataConfig) {
        String dataSeparator = String.valueOf((char) Integer.parseInt(streamEntity.getDataSeparator()));
        SqlSourceDTO sqlSourceDTO = JsonUtils.parseObject(extParams, SqlSourceDTO.class);
        if (Objects.nonNull(sqlSourceDTO)) {
            sqlSourceDTO.setDataSeparator(dataSeparator);
            dataConfig.setAuditVersion(sqlSourceDTO.getAuditVersion());
            extParams = JsonUtils.toJsonString(sqlSourceDTO);
        }
        return extParams;
    }
Sql source operator, such as get or set Sql source info.
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/source/sql/SqlSourceOperator.java