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