pub enum ColumnCompressionCodec {
    Uncompressed,
    Snappy,
    Gzip,
    Lzo,
    Brotli,
    ZSTD,
    Lz4Raw,
}
Expand description

Variants§

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Uncompressed

Uncompressed

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Snappy

Snappy, aka Zippy, compression

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Gzip

Gzip compression

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Lzo

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Brotli

Brotli compression

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ZSTD

Zstandard compression: https://en.wikipedia.org/wiki/Zstd

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Lz4Raw

Lz4 compression without block headers

Trait Implementations§

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impl Clone for ColumnCompressionCodec

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fn clone(&self) -> ColumnCompressionCodec

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 Debug for ColumnCompressionCodec

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Decode for ColumnCompressionCodec

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fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy ) -> Result<Self, Error>

Attempt to deserialise the value from input.
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fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self> ) -> Result<DecodeFinished, Error>
where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory. Read more
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fn skip<I>(input: &mut I) -> Result<(), Error>
where I: Input,

Attempt to skip the encoded value from input. Read more
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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more
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impl Default for ColumnCompressionCodec

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for ColumnCompressionCodec

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Encode for ColumnCompressionCodec

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fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more
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fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy )

Convert self to a slice and append it to the destination.
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fn encode(&self) -> Vec<u8>

Convert self to an owned vector.
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fn using_encoded<R, F>(&self, f: F) -> R
where F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.
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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more
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impl MaxEncodedLen for ColumnCompressionCodec

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fn max_encoded_len() -> usize

Upper bound, in bytes, of the maximum encoded size of this item.
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impl PartialEq for ColumnCompressionCodec

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fn eq(&self, other: &ColumnCompressionCodec) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for ColumnCompressionCodec

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl TypeInfo for ColumnCompressionCodec

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type Identity = ColumnCompressionCodec

The type identifying for which type info is provided. Read more
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fn type_info() -> Type

Returns the static type identifier for Self.
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impl EncodeLike for ColumnCompressionCodec

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impl Eq for ColumnCompressionCodec

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impl StructuralEq for ColumnCompressionCodec

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impl StructuralPartialEq for ColumnCompressionCodec

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