Function table

datafusion/optimizer/benches/optimize_projections.rs:36–44

(name: &str, cols: usize)

use datafusion_optimizer::{OptimizerContext, OptimizerRule};

fn table(name: &str, cols: usize) -> LogicalPlan {
    let fields: Vec<Field> = (0..cols)
        .map(|i| Field::new(format!("c{i}"), DataType::Int32, true))
        .collect();
    table_scan(Some(name), &Schema::new(fields), None)
        .unwrap()
        .build()
        .unwrap()
}

fn scan_with_filter(name: &str, cols: usize, filter_col: usize) -> LogicalPlan {
    LogicalPlanBuilder::from(table(name, cols))