Struct SchemaStage 

pub struct SchemaStage { /* private fields */ }

One bounded, invisible target record in a causal schema migration.

Implementations

impl SchemaStage

pub fn new( migration_id: MigrationId, from: SchemaDescriptor, to: SchemaDescriptor, source_record_id: Vec<u8>, source_digest: BlobHash, target_record: Vec<u8>, ) -> Result<Self, MigrationCodecError>

Validates and constructs one staged record.

pub const fn migration_id(&self) -> MigrationId

Returns the migration identifier.

pub const fn from(&self) -> &SchemaDescriptor

Returns the exact predecessor schema.

pub const fn to(&self) -> &SchemaDescriptor

Returns the exact target schema.

pub fn source_record_id(&self) -> &[u8]

Returns the source record’s canonical primary key.

pub const fn source_digest(&self) -> BlobHash

Returns the digest of the canonical source materialization.

pub fn target_record(&self) -> &[u8]

Returns the canonical target materialized-record bytes.

pub fn encode_canonical(&self) -> Vec<u8>

Encodes the stage into its unique durable representation.

pub fn decode_canonical(bytes: &[u8]) -> Result<Self, MigrationCodecError>

Strictly decodes one canonical stage.

Trait Implementations

impl Clone for SchemaStage

fn clone(&self) -> SchemaStage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SchemaStage

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

Formats the value using the given formatter.

impl PartialEq for SchemaStage

fn eq(&self, other: &SchemaStage) -> 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 SchemaStage

impl StructuralPartialEq for SchemaStage