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 TypeOidLookup for PgValue<'_>
impl TypeOidLookup for PgValue<'_>
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> AggregateExpressionMethods for T
impl<T> AggregateExpressionMethods for T
Source§fn aggregate_distinct(self) -> AggregateDistinct<Self>where
Self: DistinctDsl,
fn aggregate_distinct(self) -> AggregateDistinct<Self>where
Self: DistinctDsl,
DISTINCT
modifier for aggregate functions Read moreSource§fn aggregate_all(self) -> AggregateAll<Self>where
Self: AllDsl,
fn aggregate_all(self) -> AggregateAll<Self>where
Self: AllDsl,
ALL
modifier for aggregate functions Read moreSource§fn aggregate_filter<P>(self, f: P) -> AggregateFilter<Self, P>
fn aggregate_filter<P>(self, f: P) -> AggregateFilter<Self, P>
Add an aggregate function filter Read more
Source§fn aggregate_order<O>(self, o: O) -> AggregateOrder<Self, O>where
Self: OrderAggregateDsl<O>,
fn aggregate_order<O>(self, o: O) -> AggregateOrder<Self, O>where
Self: OrderAggregateDsl<O>,
Add an aggregate function order Read more
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§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>
Converts
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
, which can then be
downcast
into Box<dyn 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>
Converts
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
, which 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)
Converts
&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)
Converts
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.Source§impl<T> IntoSql for T
impl<T> IntoSql for T
Source§impl<T> WindowExpressionMethods for T
impl<T> WindowExpressionMethods for T
Source§fn over(self) -> Over<Self>where
Self: OverDsl,
fn over(self) -> Over<Self>where
Self: OverDsl,
Turn a function call into a window function call Read more
Source§fn window_filter<P>(self, f: P) -> WindowFilter<Self, P>
fn window_filter<P>(self, f: P) -> WindowFilter<Self, P>
Add a filter to the current window function Read more
Source§fn partition_by<E>(self, expr: E) -> PartitionBy<Self, E>where
Self: PartitionByDsl<E>,
fn partition_by<E>(self, expr: E) -> PartitionBy<Self, E>where
Self: PartitionByDsl<E>,
Add a partition clause to the current window function Read more
Source§fn window_order<E>(self, expr: E) -> WindowOrder<Self, E>where
Self: OrderWindowDsl<E>,
fn window_order<E>(self, expr: E) -> WindowOrder<Self, E>where
Self: OrderWindowDsl<E>,
Add a order clause to the current window function Read more