public static PrimaryKeySpec parsePrimaryKeySpec(
      Schema schema, Map<String, String> tableProperties) {
    if (tableProperties.containsKey(TableProperties.MIXED_FORMAT_PRIMARY_KEY_FIELDS)) {
      return PrimaryKeySpec.fromDescription(
          schema, tableProperties.get(TableProperties.MIXED_FORMAT_PRIMARY_KEY_FIELDS));
    }
    return PrimaryKeySpec.noPrimaryKey();
  }
parse change store table identifier for base store table properties

@param properties - table properties of base store
@return - table identifier of change store.
amoro-format-iceberg/src/main/java/org/apache/amoro/utils/TablePropertyUtil.java