FallbackEncoderImpl

parquet::arrow::arrow_writer::byte_array

Enum FallbackEncoderImpl 

Source 
enum FallbackEncoderImpl {
    Plain {
        buffer: Vec<u8>,
    },
    DeltaLength {
        buffer: Vec<u8>,
        lengths: Box<DeltaBitPackEncoder<Int32Type>>,
    },
    Delta {
        buffer: Vec<u8>,
        last_value: Vec<u8>,
        prefix_lengths: Box<DeltaBitPackEncoder<Int32Type>>,
        suffix_lengths: Box<DeltaBitPackEncoder<Int32Type>>,
    },
}
Expand description

The fallback encoder in use

Note: DeltaBitPackEncoder is boxed as it is rather large

Variants§

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Plain

Fields

§buffer: Vec<u8>
§

DeltaLength

Fields

§buffer: Vec<u8>
§lengths: Box<DeltaBitPackEncoder<Int32Type>>
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Delta

Fields

§buffer: Vec<u8>
§last_value: Vec<u8>
§prefix_lengths: Box<DeltaBitPackEncoder<Int32Type>>
§suffix_lengths: Box<DeltaBitPackEncoder<Int32Type>>

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