pub struct PgNull {}Trait Implementations§
Source§impl Encode<'_, Postgres> for PgNull
impl Encode<'_, Postgres> for PgNull
Source§fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull
Source§fn encode(self, buf: &mut <DB as HasArguments<'q>>::ArgumentBuffer) -> IsNullwhere
Self: Sized,
fn encode(self, buf: &mut <DB as HasArguments<'q>>::ArgumentBuffer) -> IsNullwhere
Self: Sized,
Writes the value of
self into buf in the expected format for the database.fn produces(&self) -> Option<<DB as Database>::TypeInfo>
fn size_hint(&self) -> usize
Source§impl PgHasArrayType for PgNull
impl PgHasArrayType for PgNull
fn array_type_info() -> PgTypeInfo
fn array_compatible(ty: &PgTypeInfo) -> bool
Auto Trait Implementations§
impl Freeze for PgNull
impl RefUnwindSafe for PgNull
impl Send for PgNull
impl Sync for PgNull
impl Unpin for PgNull
impl UnwindSafe for PgNull
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more