Function fastfield_codecs::estimate

source · [−]
pub fn estimate<T: MonotonicallyMappableToU64 + Debug>(
    typed_column: impl Column<T>,
    codec_type: FastFieldCodecType
) -> Option<f32>
Expand description

Return estimated compression for given codec in the value range [0.0..1.0], where 1.0 means no compression.