Enum ColumnData 

pub enum ColumnData {
    Int64 {
        values: Vec<i64>,
        valid: Vec<bool>,
    },
    Float64 {
        values: Vec<f64>,
        valid: Vec<bool>,
    },
    Bool {
        values: Vec<bool>,
        valid: Vec<bool>,
    },
    Timestamp {
        values: Vec<i64>,
        valid: Vec<bool>,
    },
    Decimal {
        values: Vec<[u8; 16]>,
        valid: Vec<bool>,
    },
    Uuid {
        values: Vec<[u8; 16]>,
        valid: Vec<bool>,
    },
    String {
        data: Vec<u8>,
        offsets: Vec<u32>,
        valid: Vec<bool>,
    },
    Bytes {
        data: Vec<u8>,
        offsets: Vec<u32>,
        valid: Vec<bool>,
    },
    Geometry {
        data: Vec<u8>,
        offsets: Vec<u32>,
        valid: Vec<bool>,
    },
    Vector {
        data: Vec<f32>,
        dim: u32,
        valid: Vec<bool>,
    },
}

A single column’s data in the memtable.

Each variant stores a contiguous Vec of the appropriate primitive type plus a validity bitmap (true = present, false = null). This avoids Option overhead and enables direct handoff to codec pipelines.

Variants

Int64

Fields

values: Vec<i64>

valid: Vec<bool>

Float64

Fields

values: Vec<f64>

valid: Vec<bool>

Bool

Fields

values: Vec<bool>

valid: Vec<bool>

Timestamp

Fields

values: Vec<i64>

valid: Vec<bool>

Decimal

Fields

values: Vec<[u8; 16]>

Stored as 16-byte serialized representations.

valid: Vec<bool>

Uuid

Fields

values: Vec<[u8; 16]>

Stored as 16-byte binary representations.

valid: Vec<bool>

String

Fields

data: Vec<u8>

Concatenated string bytes.

offsets: Vec<u32>

Byte offsets: offset[i] is the start of string i, offset[len] is end sentinel.

valid: Vec<bool>

Bytes

Fields

data: Vec<u8>

offsets: Vec<u32>

valid: Vec<bool>

Geometry

Fields

data: Vec<u8>

Stored as JSON-serialized geometry bytes.

offsets: Vec<u32>

valid: Vec<bool>

Vector

Fields

data: Vec<f32>

Packed f32 values: dim floats per row.

dim: u32

valid: Vec<bool>

Trait Implementations

impl Clone for ColumnData

fn clone(&self) -> ColumnData

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ColumnData

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

Formats the value using the given formatter.