public TableIdentifier setTableName(@org.apache.thrift.annotation.Nullable String tableName) {
    this.tableName = tableName;
    return this;
  }
Returns true if field database is set (has been assigned a value) and false otherwise
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/compaction/evaluator/amoro/TableIdentifier.java