Struct diesel::sql_types::is_nullable::NotNull

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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

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impl AllAreNullable<IsNullable> for NotNull

type Out = NotNull

See the trait documentation

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impl AllAreNullable<NotNull> for IsNullable

type Out = NotNull

See the trait documentation

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impl AllAreNullable<NotNull> for NotNull

type Out = NotNull

See the trait documentation

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impl Clone for NotNull

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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

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impl Debug for NotNull

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

Formats the value using the given formatter. Read more

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

type Out = O

See the trait documentation

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impl OneIsNullable<IsNullable> for NotNull

type Out = IsNullable

See the trait documentation

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impl OneIsNullable<NotNull> for IsNullable

type Out = IsNullable

See the trait documentation

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impl OneIsNullable<NotNull> for NotNull

type Out = NotNull

See the trait documentation

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impl Copy for NotNull

Auto Trait Implementations

impl RefUnwindSafe for NotNull

impl Send for NotNull

impl Sync for NotNull

impl Unpin for NotNull

impl UnwindSafe for NotNull

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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impl<T> IntoSql for T

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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

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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

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

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

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

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

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

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Struct diesel::sql_types::is_nullable::NotNull

Trait Implementations

impl AllAreNullable<IsNullable> for NotNull

type Out = NotNull

impl AllAreNullable<NotNull> for IsNullable

type Out = NotNull

impl AllAreNullable<NotNull> for NotNull

type Out = NotNull

impl Clone for NotNull

fn clone(&self) -> NotNull

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

impl Debug for NotNull

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

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

type Out = O

impl OneIsNullable<IsNullable> for NotNull

type Out = IsNullable

impl OneIsNullable<NotNull> for IsNullable

type Out = IsNullable

impl OneIsNullable<NotNull> for NotNull

type Out = NotNull

impl Copy for NotNull

Auto Trait Implementations

impl RefUnwindSafe for NotNull

impl Send for NotNull

impl Sync for NotNull

impl Unpin for NotNull

impl UnwindSafe for NotNull

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> IntoSql for T

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

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

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

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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

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

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

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

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

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

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

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

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

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