Struct sqlx_core::postgres::PgValueRef

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pub struct PgValueRef<'r> { /* private fields */ }

Expand description

Implementation of ValueRef for PostgreSQL.

Implementations

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pub fn as_str(&self) -> Result<&'r str, BoxDynError>

Trait Implementations

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impl<'r> Clone for PgValueRef<'r>

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fn clone(&self) -> PgValueRef<'r>

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<'r> ValueRef<'r> for PgValueRef<'r>

type Database = Postgres

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fn to_owned(&self) -> PgValue

Creates an owned value from this value reference. Read more

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fn type_info(&self) -> Cow<'_, PgTypeInfo>

Get the type information for this value.

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fn is_null(&self) -> bool

Returns true if the SQL value is NULL.

Auto Trait Implementations

impl<'r> RefUnwindSafe for PgValueRef<'r>

impl<'r> Send for PgValueRef<'r>

impl<'r> Sync for PgValueRef<'r>

impl<'r> Unpin for PgValueRef<'r>

impl<'r> UnwindSafe for PgValueRef<'r>

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> Same<T> for T

type Output = T

Should always be Self

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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.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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Struct sqlx_core::postgres::PgValueRef

Implementations

impl<'r> PgValueRef<'r>

pub fn format(&self) -> PgValueFormat

pub fn as_bytes(&self) -> Result<&'r [u8], BoxDynError>

pub fn as_str(&self) -> Result<&'r str, BoxDynError>

Trait Implementations

impl<'r> Clone for PgValueRef<'r>

fn clone(&self) -> PgValueRef<'r>

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

impl<'r> ValueRef<'r> for PgValueRef<'r>

type Database = Postgres

fn to_owned(&self) -> PgValue

fn type_info(&self) -> Cow<'_, PgTypeInfo>

fn is_null(&self) -> bool

Auto Trait Implementations

impl<'r> RefUnwindSafe for PgValueRef<'r>

impl<'r> Send for PgValueRef<'r>

impl<'r> Sync for PgValueRef<'r>

impl<'r> Unpin for PgValueRef<'r>

impl<'r> UnwindSafe for PgValueRef<'r>

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> Same<T> for T

type Output = T

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<V, T> VZip<V> for T where V: MultiLane<T>,

fn vzip(self) -> V

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> 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>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,