Struct SchemaDeltaStep 

pub struct SchemaDeltaStep { /* private fields */ }

One trusted schema-only migration step.

Implementations

impl SchemaDeltaStep

pub fn new( id: MigrationStepId, delta: SchemaDelta, reverse: Option<SchemaDelta>, ) -> Result<Self, Diagnostic>

Construct a schema step and derive every context-free contract field.

pub const fn kind(&self) -> MigrationStepKind

Return the fixed schema-delta step kind.

pub const fn contract(&self) -> &SchemaDeltaStepContract

Return the derived step contract.

pub const fn delta(&self) -> &SchemaDelta

Return the trusted schema delta.

pub fn canonical_bytes(&self) -> Result<Vec<u8>, Diagnostic>

Return exact canonical step bytes.

Trait Implementations

impl Clone for SchemaDeltaStep

fn clone(&self) -> SchemaDeltaStep

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SchemaDeltaStep

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

Formats the value using the given formatter.

impl Eq for SchemaDeltaStep

impl From<SchemaDeltaStep> for MigrationStep

fn from(step: SchemaDeltaStep) -> Self

Converts to this type from the input type.

impl PartialEq for SchemaDeltaStep

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for SchemaDeltaStep

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for SchemaDeltaStep