pub struct AsyncList<'a, Cn, Cl, PrimaryKey>(_)
where
Cl: Collection,
PrimaryKey: KeyEncoding<<Cl as Collection>::PrimaryKey> + PartialEq<PrimaryKey> + ?Sized,
<Cl as Collection>::PrimaryKey: Borrow<PrimaryKey> + PartialEq<PrimaryKey>;
Expand description
Retrieves a list of documents from a collection, when awaited. This structure also offers functions to customize the options for the operation.
Implementations§
§impl<'a, Cn, Cl, PrimaryKey> AsyncList<'a, Cn, Cl, PrimaryKey>where
Cl: Collection,
Cn: AsyncConnection,
PrimaryKey: KeyEncoding<<Cl as Collection>::PrimaryKey> + PartialEq<PrimaryKey> + ?Sized,
<Cl as Collection>::PrimaryKey: Borrow<PrimaryKey> + PartialEq<PrimaryKey>,
impl<'a, Cn, Cl, PrimaryKey> AsyncList<'a, Cn, Cl, PrimaryKey>where Cl: Collection, Cn: AsyncConnection, PrimaryKey: KeyEncoding<<Cl as Collection>::PrimaryKey> + PartialEq<PrimaryKey> + ?Sized, <Cl as Collection>::PrimaryKey: Borrow<PrimaryKey> + PartialEq<PrimaryKey>,
pub fn ascending(self) -> AsyncList<'a, Cn, Cl, PrimaryKey> ⓘ
pub fn ascending(self) -> AsyncList<'a, Cn, Cl, PrimaryKey> ⓘ
Lists documents by id in ascending order.
pub fn descending(self) -> AsyncList<'a, Cn, Cl, PrimaryKey> ⓘ
pub fn descending(self) -> AsyncList<'a, Cn, Cl, PrimaryKey> ⓘ
Lists documents by id in descending order.
pub fn limit(self, maximum_results: u32) -> AsyncList<'a, Cn, Cl, PrimaryKey> ⓘ
pub fn limit(self, maximum_results: u32) -> AsyncList<'a, Cn, Cl, PrimaryKey> ⓘ
Sets the maximum number of results to return.
pub async fn count(self) -> impl Future<Output = Result<u64, Error>>
pub async fn count(self) -> impl Future<Output = Result<u64, Error>>
Returns the number of documents contained within the range.
Order and limit are ignored if they were set.
println!(
"Number of documents with id 42 or larger: {}",
MyCollection::list_async(42.., db).count().await?
);
println!(
"Number of documents in MyCollection: {}",
MyCollection::all_async(db).count().await?
);
pub async fn headers(
self
) -> impl Future<Output = Result<Vec<Header, Global>, Error>>
pub async fn headers( self ) -> impl Future<Output = Result<Vec<Header, Global>, Error>>
Returns the list of document headers contained within the range.
println!(
"Headers with id 42 or larger: {:?}",
MyCollection::list_async(42.., db).headers().await?
);
println!(
"Headers in MyCollection: {:?}",
MyCollection::all_async(db).headers().await?
);
Trait Implementations§
§impl<'a, Cn, Cl, PrimaryKey> Future for AsyncList<'a, Cn, Cl, PrimaryKey>where
Cl: SerializedCollection + Unpin,
Cn: AsyncConnection,
PrimaryKey: KeyEncoding<<Cl as Collection>::PrimaryKey> + PartialEq<PrimaryKey> + Unpin + 'a + ?Sized,
<Cl as Collection>::PrimaryKey: Borrow<PrimaryKey> + PartialEq<PrimaryKey> + Unpin,
impl<'a, Cn, Cl, PrimaryKey> Future for AsyncList<'a, Cn, Cl, PrimaryKey>where Cl: SerializedCollection + Unpin, Cn: AsyncConnection, PrimaryKey: KeyEncoding<<Cl as Collection>::PrimaryKey> + PartialEq<PrimaryKey> + Unpin + 'a + ?Sized, <Cl as Collection>::PrimaryKey: Borrow<PrimaryKey> + PartialEq<PrimaryKey> + Unpin,
Auto Trait Implementations§
impl<'a, Cn, Cl, PrimaryKey> !RefUnwindSafe for AsyncList<'a, Cn, Cl, PrimaryKey>
impl<'a, Cn, Cl, PrimaryKey: ?Sized> Send for AsyncList<'a, Cn, Cl, PrimaryKey>where Cn: Sync,
impl<'a, Cn, Cl, PrimaryKey> !Sync for AsyncList<'a, Cn, Cl, PrimaryKey>
impl<'a, Cn, Cl, PrimaryKey: ?Sized> Unpin for AsyncList<'a, Cn, Cl, PrimaryKey>where Cl: Unpin, <Cl as Collection>::PrimaryKey: Unpin,
impl<'a, Cn, Cl, PrimaryKey> !UnwindSafe for AsyncList<'a, Cn, Cl, PrimaryKey>
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