Struct datafusion::exec::DF

pub struct DF {
    pub plan: Box<LogicalPlan>,
}

Fields

plan: Box<LogicalPlan>

Trait Implementations

impl DataFrame for DF

fn select(&self, expr: Vec<Expr>) -> Result<Box<DataFrame>, DataFrameError>

Projection

fn sort(&self, expr: Vec<Expr>) -> Result<Box<DataFrame>, DataFrameError>

Sorting

fn filter(&self, expr: Expr) -> Result<Box<DataFrame>, DataFrameError>

Selection

fn col(&self, column_name: &str) -> Result<Expr, DataFrameError>

Return an expression representing the specified column

fn schema(&self) -> Schema

fn repartition(&self, _n: u32) -> Result<Box<DataFrame>, DataFrameError>

Change the number of partitions

fn plan(&self) -> Box<LogicalPlan>