Struct Executor 

pub struct Executor { /* private fields */ }

Executes a physical operator tree and collects results.

Implementations

impl Executor

pub fn new() -> Self

Creates a new executor.

pub fn with_columns(columns: Vec<String>) -> Self

Creates an executor with specified column names.

pub fn with_columns_and_types( columns: Vec<String>, column_types: Vec<LogicalType>, ) -> Self

Creates an executor with specified column names and types.

pub fn execute(&self, operator: &mut dyn Operator) -> Result<QueryResult>

Executes a physical operator and collects all results.

Errors

Returns an error if operator execution fails.

pub fn execute_with_limit( &self, operator: &mut dyn Operator, limit: usize, ) -> Result<QueryResult>

Executes and returns at most limit rows.

Errors

Returns an error if operator execution fails.

Trait Implementations

impl Default for Executor

fn default() -> Self

Returns the “default value” for a type.