Struct CoreFragmentTableSource

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pub struct CoreFragmentTableSource { /* private fields */ }

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Core MVCC-backed tablet source used by remote SQL workers.

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impl CoreFragmentTableSource

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pub fn new( databases: Arc<dyn FragmentDatabaseProvider>, authorization: Arc<dyn FragmentAuthorizationResolver>, ) -> Self

Creates an authorized core-backed source.

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impl FragmentTableSource for CoreFragmentTableSource

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fn scan( &self, table: &str, tablet: TabletId, include_row_id: bool, control: Option<&FragmentControl>, ) -> DistributedResult<Vec<RecordBatch>>

Reads one table slice from a hosted tablet.

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fn schema( &self, _table: &str, _tablet: TabletId, ) -> DistributedResult<Option<SchemaRef>>

Returns the empty-result schema for one table, when known.

Auto Trait Implementations§

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impl UnsafeUnpin for CoreFragmentTableSource

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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, U> Into 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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