EntityLoaderPaginator

sea_orm::entity::compound

Struct EntityLoaderPaginator 

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pub struct EntityLoaderPaginator<'db, C, E, L>
where
    C: ConnectionTrait,
    E: EntityTrait,
    L: EntityLoaderTrait<E>,
{ /* private fields */ }

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impl<'db, C, E, L> EntityLoaderPaginator<'db, C, E, L>
where C: ConnectionTrait, E: EntityTrait, L: EntityLoaderTrait<E>,

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pub fn fetch_page(&self, page: u64) -> Result<Vec<L::ModelEx>, DbErr>

Fetch a specific page; page index starts from zero

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pub fn fetch(&self) -> Result<Vec<L::ModelEx>, DbErr>

Fetch the current page

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

Get the total number of items

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

Get the total number of pages

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pub 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 fn fetch_and_next(&mut self) -> Result<Option<Vec<L::ModelEx>>, DbErr>

Fetch one page and increment the page counter

Trait Implementations§

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impl<'db, C, E, L> Debug for EntityLoaderPaginator<'db, C, E, L>
where C: ConnectionTrait + Debug, E: EntityTrait + Debug, L: EntityLoaderTrait<E> + 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, E, L> Freeze for EntityLoaderPaginator<'db, C, E, L>
where L: Freeze,

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impl<'db, C, E, L> RefUnwindSafe for EntityLoaderPaginator<'db, C, E, L>
where L: RefUnwindSafe, C: RefUnwindSafe, E: RefUnwindSafe,

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impl<'db, C, E, L> Send for EntityLoaderPaginator<'db, C, E, L>
where L: Send, C: Sync, E: Send,

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impl<'db, C, E, L> Sync for EntityLoaderPaginator<'db, C, E, L>
where L: Sync, C: Sync, E: Sync,

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impl<'db, C, E, L> Unpin for EntityLoaderPaginator<'db, C, E, L>
where L: Unpin, E: Unpin,

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impl<'db, C, E, L> UnwindSafe for EntityLoaderPaginator<'db, C, E, L>
where L: UnwindSafe, C: RefUnwindSafe, E: UnwindSafe,

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>

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

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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

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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where S: Into<Dispatch>,

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