Struct polars::prelude::ScanArgsParquet
source · pub struct ScanArgsParquet {
pub n_rows: Option<usize>,
pub cache: bool,
pub parallel: ParallelStrategy,
pub rechunk: bool,
pub row_index: Option<RowIndex>,
pub low_memory: bool,
pub cloud_options: Option<CloudOptions>,
pub use_statistics: bool,
pub hive_options: HiveOptions,
}
Available on crate feature
lazy
only.Fields§
§n_rows: Option<usize>
§cache: bool
§parallel: ParallelStrategy
§rechunk: bool
§row_index: Option<RowIndex>
§low_memory: bool
§cloud_options: Option<CloudOptions>
§use_statistics: bool
§hive_options: HiveOptions
Trait Implementations§
source§impl Clone for ScanArgsParquet
impl Clone for ScanArgsParquet
source§fn clone(&self) -> ScanArgsParquet
fn clone(&self) -> ScanArgsParquet
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Default for ScanArgsParquet
impl Default for ScanArgsParquet
source§fn default() -> ScanArgsParquet
fn default() -> ScanArgsParquet
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for ScanArgsParquet
impl !RefUnwindSafe for ScanArgsParquet
impl Send for ScanArgsParquet
impl Sync for ScanArgsParquet
impl Unpin for ScanArgsParquet
impl !UnwindSafe for ScanArgsParquet
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
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 moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
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