Function not_in_subquery

datafusion/expr/src/expr_fn.rs:291–302

Create a NOT IN subquery expression

(expr: Expr, subquery: Arc<LogicalPlan>)

/// Create a NOT IN subquery expression
pub fn not_in_subquery(expr: Expr, subquery: Arc<LogicalPlan>) -> Expr {
    let outer_ref_columns = subquery.all_out_ref_exprs();
    Expr::InSubquery(InSubquery::new(
        Box::new(expr),
        Subquery {
            subquery,
            outer_ref_columns,
            spans: Spans::new(),
        },
        true,
    ))
}

/// Create a scalar subquery expression
pub fn scalar_subquery(subquery: Arc<LogicalPlan>) -> Expr {