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Uuid

diesel::sql_types

Struct Uuid

pub struct Uuid;

Expand description

The UUID SQL type (PostgreSQL, MariaDB). This type can only be used with feature = "uuid"

§`ToSql` impls

uuid::Uuid

§`FromSql` impls

uuid::Uuid

Trait Implementations§

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

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) only.

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

The expression being returned

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

Perform the conversion

impl<'expr, 'expr2> AsExpression<Uuid> for &'expr2 &'expr Uuid

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) 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 Rc<Uuid>

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) only.

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

The expression being returned

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

Perform the conversion

impl<'expr> AsExpression<Uuid> for &'expr Arc<Uuid>

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) only.

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

The expression being returned

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

Perform the conversion

impl<'expr> AsExpression<Uuid> for &'expr Box<Uuid>

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) 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 and (crate features mariadb_backend or postgres_backend) only.

type Expression = Bound<Uuid, Uuid>

The expression being returned

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

Perform the conversion

impl AsExpression<Uuid> for Rc<Uuid>

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) only.

type Expression = Bound<Uuid, Rc<Uuid>>

The expression being returned

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

Perform the conversion

impl AsExpression<Uuid> for Arc<Uuid>

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) only.

type Expression = Bound<Uuid, Arc<Uuid>>

The expression being returned

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

Perform the conversion

impl AsExpression<Uuid> for Box<Uuid>

Available on crate feature uuid and (crate features mariadb_backend or postgres_backend) only.

type Expression = Bound<Uuid, Box<Uuid>>

The expression being returned

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

Perform the conversion

impl CastsTo<Text> for Uuid

Available on crate features mariadb_backend or postgres_backend only.

impl Clone for Uuid

fn clone(&self) -> Self

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

impl Copy for Uuid

impl Debug for Uuid

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

Formats the value using the given formatter. Read more

impl Default for Uuid

fn default() -> Self

Returns the “default value” for a type. Read more

impl FallibleCastsTo<Text> for Uuid

Available on crate features mariadb_backend or postgres_backend only.

impl FallibleCastsTo<Uuid> for Text

Available on crate features mariadb_backend or postgres_backend only.

impl FallibleCastsTo<Uuid> for Binary

Available on crate features mariadb_backend only.

impl FromSql<Uuid, Mariadb> for Uuid

Available on crate features mariadb_backend and uuid only.

fn from_sql(bytes: <Mariadb as Backend>::RawValue<'_>) -> 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. Read more

impl FromSql<Uuid, Pg> for Uuid

Available on crate features postgres_backend and 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. Read more

impl HasSqlType<Uuid> for Mariadb

fn metadata(_: &mut ()) -> MariadbType

Fetch the metadata for the given type Read more

impl HasSqlType<Uuid> for Pg

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

Fetch the metadata for the given type Read more

impl KnownCastSqlTypeName<Mariadb> for Uuid

Available on crate feature mariadb_backend only.

const SQL_TYPE_NAME: &'static str = "uuid"

What to write as sql_type in the CAST(expr AS sql_type) SQL for Self

impl KnownCastSqlTypeName<Pg> for Uuid

Available on crate feature postgres_backend only.

const SQL_TYPE_NAME: &'static str = "uuid"

What to write as sql_type in the CAST(expr AS sql_type) SQL for Self

impl QueryId for Uuid

const HAS_STATIC_QUERY_ID: bool = true

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

type QueryId = Uuid

A type which uniquely represents Self in a SQL query. Read more

fn query_id() -> Option<TypeId>

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

impl SingleValue for Uuid

impl SqlType for Uuid

type IsNull = NotNull

Is this type nullable? Read more

impl ToSql<Uuid, Mariadb> for Uuid

Available on crate features mariadb_backend and uuid only.

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

See the trait documentation.

impl ToSql<Uuid, Pg> for Uuid

Available on crate features postgres_backend and uuid only.

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

See the trait documentation.

Auto Trait Implementations§

impl Freeze for Uuid

impl RefUnwindSafe for Uuid

impl Send for Uuid

impl Sync for Uuid

impl Unpin for Uuid

impl UnsafeUnpin for Uuid

impl UnwindSafe for Uuid

Blanket Implementations§

impl<T> AggregateExpressionMethods for T

fn aggregate_distinct(self) -> AggregateDistinct<Self>
where Self: DistinctDsl,

DISTINCT modifier for aggregate functions Read more

fn aggregate_all(self) -> AggregateAll<Self>
where Self: AllDsl,

ALL modifier for aggregate functions Read more

fn aggregate_filter<P>(self, f: P) -> AggregateFilter<Self, P>
where P: AsExpression<Bool>, Self: FilterDsl<P::Expression>,

Add an aggregate function filter Read more

fn aggregate_order<O>(self, o: O) -> AggregateOrder<Self, O>
where Self: OrderAggregateDsl<O>,

Add an aggregate function order Read more

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<ST, U, DB> CompatibleType<U, DB> for ST
where DB: Backend, ST: SqlType + SingleValue, U: FromSqlRow<ST, DB>,

type SqlType = ST

Available on crate feature i-implement-a-third-party-backend-and-opt-into-breaking-changes only.

impl<T> Downcast for T
where T: Any,

fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

impl<T> DowncastSend for T
where T: Any + Send,

fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoNotNullable for T
where T: SqlType<IsNull = NotNull>,

type NotNullable = T

The not nullable representation of this type. Read more

impl<T> IntoNullable for T
where T: SqlType<IsNull = NotNull> + SingleValue,

type Nullable = Nullable<T>

The nullable representation of this type. Read more

impl<T> IntoSql for T

fn into_sql<T>(self) -> AsExprOf<Self, T>
where Self: AsExpression<T> + Sized, T: SqlType + TypedExpressionType,

Convert self to an expression for Diesel’s query builder. Read more

fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T>
where &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. Read more

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = !

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, !>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<ST> TypedExpressionType for ST
where ST: SingleValue,

impl<T> WindowExpressionMethods for T

fn over(self) -> Over<Self>
where Self: OverDsl,

Turn a function call into a window function call Read more

fn window_filter<P>(self, f: P) -> WindowFilter<Self, P>
where P: AsExpression<Bool>, Self: FilterDsl<P::Expression>,

Add a filter to the current window function Read more

fn partition_by<E>(self, expr: E) -> PartitionBy<Self, E>
where Self: PartitionByDsl<E>,

Add a partition clause to the current window function Read more

fn window_order<E>(self, expr: E) -> WindowOrder<Self, E>
where Self: OrderWindowDsl<E>,

Add a order clause to the current window function Read more

fn frame_by<E>(self, expr: E) -> FrameBy<Self, E>
where Self: FrameDsl<E>,

Add a frame clause to the current window function Read more