Package org.apache.iceberg

Interface ManifestFile

  • All Known Implementing Classes:
    GenericManifestFile
    public interface ManifestFile
    Represents a manifest file that can be scanned to find data files in a table.

    • Method Detail

      • schema

        static Schema schema()

      • path

        java.lang.String path()
        Returns:
        fully qualified path to the file, suitable for constructing a Hadoop Path

      • length

        long length()
        Returns:
        length of the manifest file

      • partitionSpecId

        int partitionSpecId()
        Returns:
        ID of the PartitionSpec used to write the manifest file

      • content

        ManifestContent content()
        Returns:
        the content stored in the manifest; either DATA or DELETES

      • sequenceNumber

        long sequenceNumber()
        Returns:
        the sequence number of the commit that added the manifest file

      • minSequenceNumber

        long minSequenceNumber()
        Returns:
        the lowest sequence number of any data file in the manifest

      • snapshotId

        java.lang.Long snapshotId()
        Returns:
        ID of the snapshot that added the manifest file to table metadata

      • hasAddedFiles

        default boolean hasAddedFiles()
        Returns true if the manifest contains ADDED entries or if the count is not known.
        Returns:
        whether this manifest contains entries with ADDED status

      • addedFilesCount

        java.lang.Integer addedFilesCount()
        Returns:
        the number of data files with status ADDED in the manifest file

      • addedRowsCount

        java.lang.Long addedRowsCount()
        Returns:
        the total number of rows in all data files with status ADDED in the manifest file

      • hasExistingFiles

        default boolean hasExistingFiles()
        Returns true if the manifest contains EXISTING entries or if the count is not known.
        Returns:
        whether this manifest contains entries with EXISTING status

      • existingFilesCount

        java.lang.Integer existingFilesCount()
        Returns:
        the number of data files with status EXISTING in the manifest file

      • existingRowsCount

        java.lang.Long existingRowsCount()
        Returns:
        the total number of rows in all data files with status EXISTING in the manifest file

      • hasDeletedFiles

        default boolean hasDeletedFiles()
        Returns true if the manifest contains DELETED entries or if the count is not known.
        Returns:
        whether this manifest contains entries with DELETED status

      • deletedFilesCount

        java.lang.Integer deletedFilesCount()
        Returns:
        the number of data files with status DELETED in the manifest file

      • deletedRowsCount

        java.lang.Long deletedRowsCount()
        Returns:
        the total number of rows in all data files with status DELETED in the manifest file

      • partitions

        java.util.List<ManifestFile.PartitionFieldSummary> partitions()
        Returns a list of partition field summaries.

        Each summary corresponds to a field in the manifest file's partition spec, by ordinal. For example, the partition spec [ ts_day=date(ts), type=identity(type) ] will have 2 summaries. The first summary is for the ts_day partition field and the second is for the type partition field.

        Returns:
        a list of partition field summaries, one for each field in the manifest's spec

      • copy

        ManifestFile copy()
        Copies this manifest file. Readers can reuse manifest file instances; use this method to make defensive copies.
        Returns:
        a copy of this manifest file