public static PrimaryKeySpec fromDescription(Schema schema, String keyDescription) {
    PrimaryKeySpec.Builder keyBuilder = PrimaryKeySpec.builderFor(schema);
    Arrays.stream(keyDescription.split(PRIMARY_KEY_COLUMN_JOIN_DELIMITER))
        .filter(StringUtils::isNotBlank)
        .forEach(keyBuilder::addColumn);
    return keyBuilder.build();
  }
parse primary key spec from table properties

@param schema - base store table schema
@param keyDescription - key description of {#{@link #description}}
@return primary key spec.
amoro-format-iceberg/src/main/java/org/apache/amoro/table/PrimaryKeySpec.java