Struct ColumnarSchema 

pub struct ColumnarSchema {
    pub names: Vec<String>,
    pub types: Vec<String>,
}

列式 schema（列名 + 类型）

Fields

names: Vec<String>

types: Vec<String>

Implementations

impl ColumnarSchema

pub fn new(names: Vec<String>, types: Vec<String>) -> Self

pub fn column_count(&self) -> usize

pub fn name_index(&self, name: &str) -> Option<usize>

Trait Implementations

impl Clone for ColumnarSchema

fn clone(&self) -> ColumnarSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnarSchema

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

Formats the value using the given formatter.