Struct ManifestFile

pub struct ManifestFile {

    pub manifest_path: String,
    pub manifest_length: i64,
    pub partition_spec_id: i32,
    pub content: ManifestContentType,
    pub sequence_number: i64,
    pub min_sequence_number: i64,
    pub added_snapshot_id: i64,
    pub added_files_count: Option<u32>,
    pub existing_files_count: Option<u32>,
    pub deleted_files_count: Option<u32>,
    pub added_rows_count: Option<u64>,
    pub existing_rows_count: Option<u64>,
    pub deleted_rows_count: Option<u64>,
    pub partitions: Vec<FieldSummary>,
    pub key_metadata: Vec<u8>,
}

Entry in a manifest list.

Fields

manifest_path: String

field: 500

Location of the manifest file

manifest_length: i64

field: 501

Length of the manifest file in bytes

partition_spec_id: i32

field: 502

ID of a partition spec used to write the manifest; must be listed in table metadata partition-specs

content: ManifestContentType

field: 517

The type of files tracked by the manifest, either data or delete files; 0 for all v1 manifests

sequence_number: i64

field: 515

The sequence number when the manifest was added to the table; use 0 when reading v1 manifest lists

min_sequence_number: i64

field: 516

The minimum data sequence number of all live data or delete files in the manifest; use 0 when reading v1 manifest lists

added_snapshot_id: i64

field: 503

ID of the snapshot where the manifest file was added

added_files_count: Option<u32>

field: 504

Number of entries in the manifest that have status ADDED, when null this is assumed to be non-zero

existing_files_count: Option<u32>

field: 505

Number of entries in the manifest that have status EXISTING (0), when null this is assumed to be non-zero

deleted_files_count: Option<u32>

field: 506

Number of entries in the manifest that have status DELETED (2), when null this is assumed to be non-zero

added_rows_count: Option<u64>

field: 512

Number of rows in all of files in the manifest that have status ADDED, when null this is assumed to be non-zero

existing_rows_count: Option<u64>

field: 513

Number of rows in all of files in the manifest that have status EXISTING, when null this is assumed to be non-zero

deleted_rows_count: Option<u64>

field: 514

Number of rows in all of files in the manifest that have status DELETED, when null this is assumed to be non-zero

partitions: Vec<FieldSummary>

field: 507 element_field: 508

A list of field summaries for each partition field in the spec. Each field in the list corresponds to a field in the manifest file’s partition spec.

key_metadata: Vec<u8>

field: 519

Implementation-specific key metadata for encryption

Implementations

impl ManifestFile

pub fn has_added_files(&self) -> bool

Checks if the manifest file has any added files.

pub fn has_deleted_files(&self) -> bool

Checks whether this manifest contains entries with DELETED status.

pub fn has_existing_files(&self) -> bool

Checks if the manifest file has any existed files.

impl ManifestFile

pub async fn load_manifest(&self, file_io: &FileIO) -> Result<Manifest>

Load Manifest.

This method will also initialize inherited values of [ManifestEntry], such as sequence_number.

Trait Implementations

impl Clone for ManifestFile

fn clone(&self) -> ManifestFile

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ManifestFile

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for ManifestFile

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for ManifestFile

fn eq(&self, other: &ManifestFile) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for ManifestFile

impl StructuralPartialEq for ManifestFile