Struct diesel::sql_types::is_nullable::NotNull

source · 
pub struct NotNull;
Expand description

No, this type cannot be null as it is marked as NOT NULL at database level

This should be choosen for basically all manual impls of SqlType beside implementing your own Nullable<> wrapper type

Trait Implementations§

source§

impl AllAreNullable<IsNullable> for NotNull

§

type Out = NotNull

See the trait documentation
source§

impl AllAreNullable<NotNull> for IsNullable

§

type Out = NotNull

See the trait documentation
source§

impl AllAreNullable<NotNull> for NotNull

§

type Out = NotNull

See the trait documentation
source§

impl Clone for NotNull

source§

fn clone(&self) -> NotNull

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

impl Debug for NotNull

source§

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

Formats the value using the given formatter. Read more
source§

impl<O> MaybeNullableType<O> for NotNull
where O: SqlType + TypedExpressionType,

§

type Out = O

See the trait documentation
source§

impl OneIsNullable<IsNullable> for NotNull

§

type Out = IsNullable

See the trait documentation
source§

impl OneIsNullable<NotNull> for IsNullable

§

type Out = IsNullable

See the trait documentation
source§

impl OneIsNullable<NotNull> for NotNull

§

type Out = NotNull

See the trait documentation
source§

impl Copy for NotNull

Auto Trait Implementations§

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

source§

fn into(self) -> U

Calls U::from(self).

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

source§

impl<T> IntoSql for T

source§

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
source§

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
source§

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

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

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

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

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

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

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.
source§

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

Performs the conversion.