Struct ScanExecutor

Source

pub struct ScanExecutor<'a, P, S>where
    P: Pager<Blob = EntryHandle> + Send + Sync,
    S: ScanStorage<P>,
{ /* private fields */ }

Expand description

Thin wrapper capturing what the executor needs to run a scan.

Implementations§

Source §

impl<'a, P, S> ScanExecutor<'a, P, S>
where P: Pager<Blob = EntryHandle> + Send + Sync, S: ScanStorage,

Source

pub fn new(storage: &'a S) -> Self

Source

pub fn table_id(&self) -> TableId

Source

pub fn execute<'expr, F>( &self, _plan_graph: PlanGraph, _programs: ProgramSet<'expr>, projections: &[ScanProjection], filter_expr: &Expr<'expr, FieldId>, options: ScanStreamOptions, on_batch: &mut F, ) -> ExecutorResult<()>
where F: FnMut(RecordBatch),

Execute a scan using the executor’s storage abstraction.

Auto Trait Implementations§

§

impl<'a, P, S> Freeze for ScanExecutor<'a, P, S>

§

impl<'a, P, S> RefUnwindSafe for ScanExecutor<'a, P, S>
where S: RefUnwindSafe, P: RefUnwindSafe,

§

impl<'a, P, S> UnwindSafe for ScanExecutor<'a, P, S>
where S: RefUnwindSafe, P: UnwindSafe,

Blanket Implementations§

Source §

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

Source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

Source §

impl<T> Borrow<T> for T
where T: ?Sized,

Source §

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

Source §

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source §

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

Mutably borrows from an owned value. Read more

Source §

impl<T> From<T> for T

Source §

fn from(t: T) -> T

Returns the argument unchanged.

Source §

impl<T> Instrument for T

Source §

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Source §

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Source §

impl<T, U> Into for T
where U: From<T>,

Source §

fn into(self) -> U

Calls U::from(self).

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

Source §

impl<T> IntoEither for T

Source §

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

Source §

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

Source §