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BitpackEncoder

alopex_core::columnar::encoding_v2

Struct BitpackEncoder 

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pub struct BitpackEncoder;
Expand description

Bitpack encoder for Bool columns.

Format: count(u32) + has_bitmap(u8) + bitmap? + packed_bytes

  • Each bit represents one bool value (1 = true, 0 = false)
  • Bits are packed LSB first within each byte

Trait Implementations§

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impl Encoder for BitpackEncoder

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fn encode(&self, data: &Column, null_bitmap: Option<&Bitmap>) -> Result<Vec<u8>>

Encode column data with optional null bitmap.
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fn encoding_type(&self) -> EncodingV2

Get the encoding type.

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