struct SessionVar<V> where
V: Value + Debug + ?Sized + 'static, {
default_value: &'static V,
local_value: Option<V::Owned>,
staged_value: Option<V::Owned>,
session_value: Option<V::Owned>,
parent: &'static ServerVar<V>,
}
Expand description
A SessionVar
is the session value for a configuration parameter. If unset,
the server default is used instead.
Fields
default_value: &'static V
local_value: Option<V::Owned>
staged_value: Option<V::Owned>
session_value: Option<V::Owned>
parent: &'static ServerVar<V>
Implementations
sourceimpl<V> SessionVar<V> where
V: Value + Debug + ?Sized + 'static,
impl<V> SessionVar<V> where
V: Value + Debug + ?Sized + 'static,
fn new(parent: &'static ServerVar<V>) -> SessionVar<V>
fn set(&mut self, s: &str, local: bool) -> Result<(), CoordError>
fn reset(&mut self, local: bool)
fn end_transaction(&mut self, action: EndTransactionAction)
fn value(&self) -> &V
Trait Implementations
sourceimpl<V: Debug> Debug for SessionVar<V> where
V: Value + Debug + ?Sized + 'static,
V::Owned: Debug,
V::Owned: Debug,
V::Owned: Debug,
impl<V: Debug> Debug for SessionVar<V> where
V: Value + Debug + ?Sized + 'static,
V::Owned: Debug,
V::Owned: Debug,
V::Owned: Debug,
sourceimpl<V> Var for SessionVar<V> where
V: Value + ToOwned + Debug + ?Sized + 'static,
V::Owned: Debug,
impl<V> Var for SessionVar<V> where
V: Value + ToOwned + Debug + ?Sized + 'static,
V::Owned: Debug,
Auto Trait Implementations
impl<V: ?Sized> RefUnwindSafe for SessionVar<V> where
V: RefUnwindSafe,
<V as ToOwned>::Owned: RefUnwindSafe,
impl<V: ?Sized> Send for SessionVar<V> where
<V as ToOwned>::Owned: Send,
impl<V: ?Sized> Sync for SessionVar<V> where
<V as ToOwned>::Owned: Sync,
impl<V: ?Sized> Unpin for SessionVar<V> where
<V as ToOwned>::Owned: Unpin,
impl<V: ?Sized> UnwindSafe for SessionVar<V> where
V: RefUnwindSafe,
<V as ToOwned>::Owned: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> FutureExt for T
impl<T> FutureExt for T
sourcefn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_context(self, otel_cx: Context) -> WithContext<Self>
sourcefn with_current_context(self) -> WithContext<Self>
fn with_current_context(self) -> WithContext<Self>
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
sourcefn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message T
in a tonic::Request
sourceimpl<P, R> ProtoType<R> for P where
R: RustType<P>,
impl<P, R> ProtoType<R> for P where
R: RustType<P>,
sourcefn into_rust(self) -> Result<R, TryFromProtoError>
fn into_rust(self) -> Result<R, TryFromProtoError>
See RustType::from_proto
.
sourcefn from_rust(rust: &R) -> P
fn from_rust(rust: &R) -> P
See RustType::into_proto
.
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more