Struct ColumnarTable 

pub struct ColumnarTable {
    pub name: String,
    pub columns: HashMap<String, Column>,
    pub column_order: Vec<String>,
    pub row_count: usize,
}

Columnar representation of a TOON table

Fields

name: String

Table name

columns: HashMap<String, Column>

Columns by name

column_order: Vec<String>

Column order (for reconstruction)

row_count: usize

Number of rows

Implementations

impl ColumnarTable

pub fn from_schema(schema: &SochSchema) -> Self

Create empty columnar table from schema

pub fn push_row(&mut self, row: &SochRow)

Append a row

pub fn get_row(&self, idx: usize) -> Option<SochRow>

Get a row by index

pub fn column(&self, name: &str) -> Option<&Column>

Get column by name

pub fn memory_usage(&self) -> usize

Total memory usage

Trait Implementations

impl Clone for ColumnarTable

fn clone(&self) -> ColumnarTable

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.