Struct polars_lazy::frame::ScanArgsParquet

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pub struct ScanArgsParquet {
    pub n_rows: Option<usize>,
    pub parallel: ParallelStrategy,
    pub row_index: Option<RowIndex>,
    pub cloud_options: Option<CloudOptions>,
    pub hive_options: HiveOptions,
    pub use_statistics: bool,
    pub low_memory: bool,
    pub rechunk: bool,
    pub cache: bool,
    pub glob: bool,
}

Available on crate feature parquet only.

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§n_rows: Option<usize>§parallel: ParallelStrategy§row_index: Option<RowIndex>§cloud_options: Option<CloudOptions>§hive_options: HiveOptions§use_statistics: bool§low_memory: bool§rechunk: bool§cache: bool§glob: bool

Expand path given via globbing rules.

Trait Implementations§

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impl Clone for ScanArgsParquet

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fn clone(&self) -> ScanArgsParquet

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 Default for ScanArgsParquet

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl !UnwindSafe for ScanArgsParquet

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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> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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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