Struct diesel::sql_types::Bool

source · [−]

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

source

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

type Expression = Bound<Bool, Self>

The expression being returned

source

fn as_expression(self) -> Self::Expression

Perform the conversion

source

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

type Expression = Bound<Bool, Self>

The expression being returned

source

fn as_expression(self) -> Self::Expression

Perform the conversion

source

impl AsExpression<Bool> for bool

type Expression = Bound<Bool, Self>

The expression being returned

source

fn as_expression(self) -> Self::Expression

Perform the conversion

source

impl Clone for Bool

source

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

source

impl Debug for Bool

source

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

Formats the value using the given formatter. Read more

source

impl Default for Bool

source

fn default() -> Bool

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

source

impl FromSql<Bool, Pg> for bool

source

fn from_sql(bytes: Option<&[u8 ]>) -> Result<Self>

See the trait documentation.

source

impl HasSqlType<Bool> for Pg

source

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type Read more

source

impl QueryId for Bool

type QueryId = Bool

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

source

const HAS_STATIC_QUERY_ID: bool

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

source

fn query_id() -> Option<TypeId>

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

source

impl ToSql<Bool, Pg> for bool

source

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

See the trait documentation.

source

impl Copy for Bool

source

impl NotNull for Bool

source

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

source

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

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

source

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

const: unstable · source

pub 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> IntoNullable for T where
T: NotNull,

type Nullable = Nullable<T>

The nullable representation of this type. Read more

source

impl<T> IntoSql for T

source

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

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>,

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

pub fn to_owned(&self) -> T

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

source

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

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

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

source

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

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

Performs the conversion.

source

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

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

Performs the conversion.

Struct diesel::sql_types::Bool

Trait Implementations

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

type Expression = Bound<Bool, Self>

fn as_expression(self) -> Self::Expression

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

type Expression = Bound<Bool, Self>

fn as_expression(self) -> Self::Expression

impl AsExpression<Bool> for bool

type Expression = Bound<Bool, Self>

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 FromSql<Bool, Pg> for bool

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

impl HasSqlType<Bool> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

impl QueryId for Bool

type QueryId = Bool

const HAS_STATIC_QUERY_ID: bool

fn query_id() -> Option<TypeId>

impl ToSql<Bool, Pg> for bool

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

impl Copy for Bool

impl NotNull 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 T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> IntoNullable for T where T: NotNull,

type Nullable = Nullable<T>

impl<T> IntoSql for T

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

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

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

pub 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

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

fn from_sql(bytes: Option<&[u8 ]>) -> Result<Self>

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>,

impl<T> IntoNullable for T where
T: NotNull,

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

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

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>,