Struct datafusion_sql::planner::PlannerContext

pub struct PlannerContext {
    pub prepare_param_data_types: Vec<DataType>,
    pub ctes: HashMap<String, LogicalPlan>,
}

Struct to store Common Table Expression (CTE) provided with WITH clause and Parameter Data Types provided with PREPARE statement

Fields

prepare_param_data_types: Vec<DataType>

Data type provided with prepare statement

ctes: HashMap<String, LogicalPlan>

Map of CTE name to logical plan of the WITH clause

Implementations

impl PlannerContext

pub fn new() -> Self

Create an empty PlannerContext

pub fn new_with_prepare_param_data_types( prepare_param_data_types: Vec<DataType> ) -> Self

Create a new PlannerContext with provided prepare_param_data_types

Trait Implementations

impl Clone for PlannerContext

fn clone(&self) -> PlannerContext

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PlannerContext

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

Formats the value using the given formatter.

impl Default for PlannerContext

fn default() -> Self

Returns the “default value” for a type.