Struct SchemaCapability 

pub struct SchemaCapability(/* private fields */);

Feature required by one proposal.

Implementations

impl SchemaCapability

pub const EXACT_COMPOSITE_TYPES: SchemaCapability

Exact composite record and enum contracts.

pub const ACCEPTED_CHECKS: SchemaCapability

Accepted row-local constraints.

pub const SECONDARY_INDEXES: SchemaCapability

Secondary indexes.

pub const RESTRICTIVE_RELATIONS: SchemaCapability

Restrictive relations.

pub const INSERT_DEFAULTS: SchemaCapability

Accepted database defaults.

pub const GENERATED_VALUES: SchemaCapability

Generated values.

pub const MANAGED_TIMESTAMPS: SchemaCapability

Managed created/updated timestamps.

pub const VERSIONED_MIGRATIONS: SchemaCapability

Explicit versioned source migration declarations.

pub const fn from_raw(value: u16) -> SchemaCapability

Construct a raw token for incompatibility testing and transport.

pub const fn get(self) -> u16

Return the raw capability number.

Trait Implementations

impl Clone for SchemaCapability

fn clone(&self) -> SchemaCapability

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for SchemaCapability

impl Debug for SchemaCapability

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

Formats the value using the given formatter.

impl Eq for SchemaCapability

impl Hash for SchemaCapability

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 SchemaCapability

fn cmp(&self, other: &SchemaCapability) -> 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 SchemaCapability

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for SchemaCapability

fn partial_cmp(&self, other: &SchemaCapability) -> 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 SchemaCapability