Struct diesel::sql_types::Bool

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pub struct Bool;

Expand description

The boolean SQL type.

On backends without a native boolean type, this is emulated with the smallest supported integer.

`ToSql` impls

bool

`FromSql` impls

bool

Trait Implementations

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impl<'expr> AsExpression<Bool> for &'expr bool

type Expression = Bound<Bool, &'expr bool>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl<'expr2, 'expr> AsExpression<Bool> for &'expr2 &'expr bool

type Expression = Bound<Bool, &'expr2 &'expr bool>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl AsExpression<Bool> for bool

type Expression = Bound<Bool, bool>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl Clone for Bool

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fn clone(&self) -> Bool

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 Bool

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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 Default for Bool

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fn default() -> Bool

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

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impl QueryId for Bool

type QueryId = Bool

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

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const HAS_STATIC_QUERY_ID: bool = true

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

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fn query_id() -> Option<TypeId>

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

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impl SqlType for Bool

type IsNull = NotNull

Is this type nullable? Read more

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impl BoolOrNullableBool for Bool

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impl Copy for Bool

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impl SingleValue for Bool

Auto Trait Implementations

impl RefUnwindSafe for Bool

impl Send for Bool

impl Sync for Bool

impl Unpin for Bool

impl UnwindSafe for Bool

Blanket Implementations

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

type NotNullable = T

The not nullable representation of this type. Read more

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

type Nullable = Nullable<T>

The nullable representation of this type. Read more

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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 Twhere
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 Twhere
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 Twhere
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.

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Struct diesel::sql_types::Bool

ToSql impls

FromSql impls

Trait Implementations

impl<'expr> AsExpression<Bool> for &'expr bool

type Expression = Bound<Bool, &'expr bool>

fn as_expression(self) -> Self::Expression

impl<'expr2, 'expr> AsExpression<Bool> for &'expr2 &'expr bool

type Expression = Bound<Bool, &'expr2 &'expr bool>

fn as_expression(self) -> Self::Expression

impl AsExpression<Bool> for bool

type Expression = Bound<Bool, bool>

fn as_expression(self) -> Self::Expression

impl Clone for Bool

fn clone(&self) -> Bool

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

impl Debug for Bool

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

impl Default for Bool

fn default() -> Bool

impl QueryId for Bool

type QueryId = Bool

const HAS_STATIC_QUERY_ID: bool = true

fn query_id() -> Option<TypeId>

impl SqlType for Bool

type IsNull = NotNull

impl BoolOrNullableBool for Bool

impl Copy for Bool

impl SingleValue for Bool

Auto Trait Implementations

impl RefUnwindSafe for Bool

impl Send for Bool

impl Sync for Bool

impl Unpin for Bool

impl UnwindSafe for Bool

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere 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 Twhere U: From<T>,

fn into(self) -> U

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

type NotNullable = T

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

type Nullable = Nullable<T>

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 Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

impl<ST> TypedExpressionType for STwhere ST: SingleValue,

`ToSql` impls

`FromSql` impls

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

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

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

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

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

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

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 Twhere
T: Clone,

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

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

impl<ST> TypedExpressionType for STwhere
ST: SingleValue,