Struct sea_orm::Paginator

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pub struct Paginator<'db, C, S>
where C: ConnectionTrait, S: SelectorTrait + 'db,
{ /* private fields */ }
Expand description

Defined a structure to handle pagination of a result from a query operation on a Model

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impl<'db, C, S> Paginator<'db, C, S>
where C: ConnectionTrait, S: SelectorTrait + 'db,

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pub async fn fetch_page(&self, page: u64) -> Result<Vec<S::Item>, DbErr>

Fetch a specific page; page index starts from zero

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pub async fn fetch(&self) -> Result<Vec<S::Item>, DbErr>

Fetch the current page

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pub async fn num_items(&self) -> Result<u64, DbErr>

Get the total number of items

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pub async fn num_pages(&self) -> Result<u64, DbErr>

Get the total number of pages

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pub async fn num_items_and_pages(&self) -> Result<ItemsAndPagesNumber, DbErr>

Get the total number of items and pages

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pub fn next(&mut self)

Increment the page counter

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pub fn cur_page(&self) -> u64

Get current page number

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pub async fn fetch_and_next(&mut self) -> Result<Option<Vec<S::Item>>, DbErr>

Fetch one page and increment the page counter

use sea_orm::{entity::*, query::*, tests_cfg::cake};
let mut cake_pages = cake::Entity::find()
    .order_by_asc(cake::Column::Id)
    .paginate(db, 50);

while let Some(cakes) = cake_pages.fetch_and_next().await? {
    // Do something on cakes: Vec<cake::Model>
}
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pub fn into_stream(self) -> PinBoxStream<'db, Result<Vec<S::Item>, DbErr>>

Convert self into an async stream

use futures::TryStreamExt;
use sea_orm::{entity::*, query::*, tests_cfg::cake};
let mut cake_stream = cake::Entity::find()
    .order_by_asc(cake::Column::Id)
    .paginate(db, 50)
    .into_stream();

while let Some(cakes) = cake_stream.try_next().await? {
    // Do something on cakes: Vec<cake::Model>
}

Trait Implementations§

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impl<'db, C, S> Clone for Paginator<'db, C, S>
where C: ConnectionTrait + Clone, S: SelectorTrait + 'db + Clone,

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fn clone(&self) -> Paginator<'db, C, S>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'db, C, S> Debug for Paginator<'db, C, S>
where C: ConnectionTrait + Debug, S: SelectorTrait + 'db + Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'db, C, S> Freeze for Paginator<'db, C, S>

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impl<'db, C, S> !RefUnwindSafe for Paginator<'db, C, S>

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impl<'db, C, S> Send for Paginator<'db, C, S>
where S: Send,

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impl<'db, C, S> Sync for Paginator<'db, C, S>
where S: Sync,

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impl<'db, C, S> Unpin for Paginator<'db, C, S>
where S: Unpin,

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impl<'db, C, S> !UnwindSafe for Paginator<'db, C, S>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more