Struct Uuid

pub struct Uuid;

Available on crate feature postgres_backend only.

The UUID SQL type. This type can only be used with feature = "uuid"

ToSql impls

• uuid::Uuid

FromSql impls

• uuid::Uuid

Trait Implementations

impl<'__expr, '__expr2> AsExpression<Uuid> for &'__expr2 &'__expr Uuid

Available on crate feature uuid only.

type Expression = Bound<Uuid, &'__expr2 &'__expr Uuid>

The expression being returned

fn as_expression(self) -> <Self as AsExpression<Uuid>>::Expression

Perform the conversion

impl<'__expr> AsExpression<Uuid> for &'__expr Uuid

Available on crate feature uuid only.

type Expression = Bound<Uuid, &'__expr Uuid>

The expression being returned

fn as_expression(self) -> <Self as AsExpression<Uuid>>::Expression

Perform the conversion

impl AsExpression<Uuid> for Uuid

Available on crate feature uuid only.

type Expression = Bound<Uuid, Uuid>

The expression being returned

fn as_expression(self) -> <Self as AsExpression<Uuid>>::Expression

Perform the conversion

impl Clone for Uuid

fn clone(&self) -> Uuid

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Uuid

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

Formats the value using the given formatter.

impl Default for Uuid

fn default() -> Uuid

Returns the “default value” for a type.

impl FromSql<Uuid, Pg> for Uuid

Available on crate feature uuid only.

fn from_sql(value: PgValue<'_>) -> Result<Self>

See the trait documentation.

fn from_nullable_sql(bytes: Option<DB::RawValue<'_>>) -> Result<Self>

A specialized variant of from_sql for handling null values.

impl HasSqlType<Uuid> for Pg

fn metadata(_: &mut Self::MetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

impl QueryId for Uuid

const HAS_STATIC_QUERY_ID: bool = true

Can the SQL generated by Self be uniquely identified by its type?

type QueryId = Uuid

A type which uniquely represents Self in a SQL query.

fn query_id() -> Option<TypeId>

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise.

impl SqlType for Uuid

type IsNull = NotNull

Is this type nullable?

impl ToSql<Uuid, Pg> for Uuid

Available on crate feature uuid only.

fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

See the trait documentation.

impl Copy for Uuid

impl SingleValue for Uuid