pub struct PgValue<'a> { /* private fields */ }
Available on crate feature
postgres_backend
only.Expand description
Raw postgres value as received from the database
Implementations§
source§impl<'a> PgValue<'a>
impl<'a> PgValue<'a>
sourcepub fn new(raw_value: &'a [u8], type_oid_lookup: &'a dyn TypeOidLookup) -> Self
Available on crate feature i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.
pub fn new(raw_value: &'a [u8], type_oid_lookup: &'a dyn TypeOidLookup) -> Self
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.Create a new instance of PgValue
based on a byte buffer
and a way to receive information about the type of the value
represented by the buffer
sourcepub fn get_oid(&self) -> NonZeroU32
pub fn get_oid(&self) -> NonZeroU32
Get the type oid of this value
Trait Implementations§
source§impl<'a> TypeOidLookup for PgValue<'a>
impl<'a> TypeOidLookup for PgValue<'a>
source§fn lookup(&self) -> NonZeroU32
fn lookup(&self) -> NonZeroU32
Available on crate feature
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.Lookup the type oid for the current value
impl<'a> Copy for PgValue<'a>
Auto Trait Implementations§
impl<'a> Freeze for PgValue<'a>
impl<'a> !RefUnwindSafe for PgValue<'a>
impl<'a> !Send for PgValue<'a>
impl<'a> !Sync for PgValue<'a>
impl<'a> Unpin for PgValue<'a>
impl<'a> !UnwindSafe for PgValue<'a>
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> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
source§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Convert
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.source§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Convert
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.source§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.