Struct holochain_state::query::Txn
source · [−]pub struct Txn<'borrow, 'txn> { /* private fields */ }
Expand description
Wrapper around a transaction reference, to which trait impls are attached
Trait Implementations
sourceimpl<'stmt> Store for Txn<'stmt, '_>
impl<'stmt> Store for Txn<'stmt, '_>
sourcefn get_entry(&self, hash: &EntryHash) -> StateQueryResult<Option<Entry>>
fn get_entry(&self, hash: &EntryHash) -> StateQueryResult<Option<Entry>>
Get an Entry
from this store.
sourcefn contains_entry(&self, hash: &EntryHash) -> StateQueryResult<bool>
fn contains_entry(&self, hash: &EntryHash) -> StateQueryResult<bool>
Check if an entry is contained in the store
sourcefn contains_header(&self, hash: &HeaderHash) -> StateQueryResult<bool>
fn contains_header(&self, hash: &HeaderHash) -> StateQueryResult<bool>
Check if a header is contained in the store
sourcefn get_header(
&self,
hash: &HeaderHash
) -> StateQueryResult<Option<SignedHeaderHashed>>
fn get_header(
&self,
hash: &HeaderHash
) -> StateQueryResult<Option<SignedHeaderHashed>>
Get an SignedHeaderHashed
from this store.
sourcefn get_element(&self, hash: &AnyDhtHash) -> StateQueryResult<Option<Element>>
fn get_element(&self, hash: &AnyDhtHash) -> StateQueryResult<Option<Element>>
Get an Element
from this store.
sourcefn contains_hash(&self, hash: &AnyDhtHash) -> StateQueryResult<bool>
fn contains_hash(&self, hash: &AnyDhtHash) -> StateQueryResult<bool>
Check if a hash is contained in the store
sourceimpl<'stmt, Q: Query> Stores<Q> for Txn<'stmt, '_>
impl<'stmt, Q: Query> Stores<Q> for Txn<'stmt, '_>
type O = QueryStmt<'stmt, Q>
sourcefn get_initial_data(&self, query: Q) -> StateQueryResult<Self::O>
fn get_initial_data(&self, query: Q) -> StateQueryResult<Self::O>
Gets the raw initial data from the database, needed to begin the query.
Auto Trait Implementations
impl<'borrow, 'txn> !RefUnwindSafe for Txn<'borrow, 'txn>
impl<'borrow, 'txn> !Send for Txn<'borrow, 'txn>
impl<'borrow, 'txn> !Sync for Txn<'borrow, 'txn>
impl<'borrow, 'txn> Unpin for Txn<'borrow, 'txn> where
'txn: 'borrow,
impl<'borrow, 'txn> !UnwindSafe for Txn<'borrow, 'txn>
Blanket Implementations
impl<T> Any for T where
T: Any + ?Sized,
impl<T> Any for T where
T: Any + ?Sized,
fn type_id_compat(&self) -> TypeId
fn type_id_compat(&self) -> TypeId
TODO: once 1.33.0 is the minimum supported compiler version, remove Any::type_id_compat and use StdAny::type_id instead. https://github.com/rust-lang/rust/issues/27745 Read more
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
impl<T> FutureExt for T
impl<T> FutureExt for T
fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn 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> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
impl<T> Pointable for T
impl<T> Pointable for T
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
fn vzip(self) -> V
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
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