InProcessQuery

polars::prelude

Struct InProcessQuery 

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pub struct InProcessQuery { /* private fields */ }
Available on crate feature lazy only.

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impl InProcessQuery

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pub fn cancel(&self)

Cancel the query at earliest convenience.

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pub fn fetch(&self) -> Option<Result<DataFrame, PolarsError>>

Fetch the result.

If it is ready, a materialized DataFrame is returned. If it is not ready it will return None.

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pub fn fetch_blocking(&self) -> Result<DataFrame, PolarsError>

Await the result synchronously.

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impl Clone for InProcessQuery

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fn clone(&self) -> InProcessQuery

Returns a duplicate 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 Drop for InProcessQuery

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fn drop(&mut self)

Executes the destructor for this type. Read more

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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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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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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> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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fn from(t: T) -> T

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Calls U::from(self).

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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 align() -> usize

The alignment necessary for the key. Must return a power of two.
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unsafe fn init(&self, ptr: *mut u8)

Initialize the key in the given memory location. Read more
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unsafe fn get<'a>(ptr: *const u8) -> &'a T

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unsafe fn drop_in_place(ptr: *mut u8)

Drop the key in place. Read more
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const ALIGN: usize

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more
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Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more
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type Owned = T

The resulting type after obtaining ownership.
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