Enum SchemaRemoval 

pub enum SchemaRemoval {
    Entity(EntitySourceKey),
    Field {
        entity: EntitySourceKey,
        field: FieldSourceKey,
    },
    Type(TypeSourceKey),
    Constraint {
        entity: EntitySourceKey,
        constraint: ConstraintSourceKey,
    },
    Index {
        entity: EntitySourceKey,
        index: IndexSourceKey,
    },
    Relation {
        entity: EntitySourceKey,
        relation: RelationSourceKey,
    },
}

Explicit hard-cut removal operation.

Variants

Entity(EntitySourceKey)

Remove an entity.

Field

Remove one field from an entity.

Fields

entity: EntitySourceKey

Owning entity.

field: FieldSourceKey

Field identity.

Type(TypeSourceKey)

Remove a named type.

Constraint

Remove one accepted constraint.

Fields

entity: EntitySourceKey

Owning entity.

constraint: ConstraintSourceKey

Constraint identity.

Index

Remove one index.

Fields

entity: EntitySourceKey

Owning entity.

index: IndexSourceKey

Index identity.

Relation

Remove one relation.

Fields

entity: EntitySourceKey

Owning entity.

relation: RelationSourceKey

Relation identity.

Trait Implementations

impl Clone for SchemaRemoval

fn clone(&self) -> SchemaRemoval

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SchemaRemoval

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

Formats the value using the given formatter.

impl Eq for SchemaRemoval

impl Hash for SchemaRemoval

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

where __H: Hasher,

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 Ord for SchemaRemoval

fn cmp(&self, other: &SchemaRemoval) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for SchemaRemoval

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for SchemaRemoval

fn partial_cmp(&self, other: &SchemaRemoval) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for SchemaRemoval