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EncodingHints

alopex_core::columnar::encoding_v2

Struct EncodingHints 

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pub struct EncodingHints {
    pub is_sorted: bool,
    pub distinct_count: usize,
    pub total_count: usize,
    pub value_range: Option<u64>,
    pub in_range_ratio: Option<f64>,
}
Expand description

Statistics used for encoding selection.

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§is_sorted: bool

Is data sorted?

§distinct_count: usize

Number of distinct values.

§total_count: usize

Total number of values.

§value_range: Option<u64>

For integers: value range (max - min).

§in_range_ratio: Option<f64>

Percentage of values within main range (for PFOR).

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impl Default for EncodingHints

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fn default() -> EncodingHints

Returns the “default value” for a type. Read more

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