Struct ColumnarTable 

pub struct ColumnarTable {
    pub name: String,
    /* private fields */
}

Arrow-compatible columnar table storage

Fields

name: String

Table name

Implementations

impl ColumnarTable

pub fn new(name: impl Into<String>) -> Self

Create a new columnar table

pub fn add_column( &mut self, name: impl Into<String>, column_type: ColumnType, ) -> &mut Self

Add a column to the table

pub fn set_primary_key(&mut self, column: impl Into<String>) -> &mut Self

Set the primary key column

pub fn row_count(&self) -> u64

Get the number of rows

pub fn get_column(&self, name: &str) -> Option<&ColumnChunk>

Get a column by name

pub fn get_column_mut(&mut self, name: &str) -> Option<&mut ColumnChunk>

Get a mutable column by name

pub fn get_by_pk(&self, pk: i64) -> Option<u32>

Get row by primary key - O(log N) lookup

pub fn insert_row(&mut self, values: &HashMap<String, ColumnValue>) -> u32

Insert a row with values

pub fn memory_size(&self) -> usize

Get total memory usage

pub fn memory_comparison(&self) -> MemoryComparison

Get memory usage comparison with enum-based storage

Trait Implementations

impl Clone for ColumnarTable

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnarTable

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

Formats the value using the given formatter.