Struct datafusion_expr::logical_plan::Prepare

pub struct Prepare {
    pub name: String,
    pub data_types: Vec<DataType>,
    pub input: Arc<LogicalPlan>,
}

Prepare a statement but do not execute it. Prepare statements can have 0 or more Expr::Placeholder expressions that are filled in during execution

Fields

name: String

The name of the statement

data_types: Vec<DataType>

Data types of the parameters (Expr::Placeholder)

input: Arc<LogicalPlan>

The logical plan of the statements

Trait Implementations

impl Clone for Prepare

fn clone(&self) -> Prepare

Returns a copy of the value.

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

Performs copy-assignment from source.