Enum polars::prelude::ParquetCompression
source · pub enum ParquetCompression {
Uncompressed,
Snappy,
Gzip(Option<GzipLevel>),
Lzo,
Brotli(Option<BrotliLevel>),
Zstd(Option<ZstdLevel>),
Lz4Raw,
}Available on crate feature
polars-io only.Expand description
The compression strategy to use for writing Parquet files.
Variants§
Uncompressed
Snappy
Gzip(Option<GzipLevel>)
Lzo
Brotli(Option<BrotliLevel>)
Zstd(Option<ZstdLevel>)
Lz4Raw
Trait Implementations§
source§impl Clone for ParquetCompression
impl Clone for ParquetCompression
source§fn clone(&self) -> ParquetCompression
fn clone(&self) -> ParquetCompression
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 Debug for ParquetCompression
impl Debug for ParquetCompression
source§impl Default for ParquetCompression
impl Default for ParquetCompression
source§fn default() -> ParquetCompression
fn default() -> ParquetCompression
Returns the “default value” for a type. Read more
source§impl Hash for ParquetCompression
impl Hash for ParquetCompression
source§impl PartialEq for ParquetCompression
impl PartialEq for ParquetCompression
source§fn eq(&self, other: &ParquetCompression) -> bool
fn eq(&self, other: &ParquetCompression) -> bool
This method tests for
self and other values to be equal, and is used
by ==.impl Copy for ParquetCompression
impl Eq for ParquetCompression
impl StructuralPartialEq for ParquetCompression
Auto Trait Implementations§
impl Freeze for ParquetCompression
impl RefUnwindSafe for ParquetCompression
impl Send for ParquetCompression
impl Sync for ParquetCompression
impl Unpin for ParquetCompression
impl UnwindSafe for ParquetCompression
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
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Checks if this value is equivalent to the given key. Read more
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key and return true if they are equal.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