Function explain

datafusion/core/tests/dataframe/mod.rs:1624–1642

()

#[tokio::test]
async fn explain() -> Result<()> {
    // build query using Table API
    let df = test_table().await?;
    let df = df
        .select_columns(&["c1", "c2", "c11"])?
        .limit(0, Some(10))?
        .explain(false, false)?;
    let plan = df.logical_plan().clone();

    // build query using SQL
    let sql_plan =
        create_plan("EXPLAIN SELECT c1, c2, c11 FROM aggregate_test_100 LIMIT 10")
            .await?;

    // the two plans should be identical
    assert_same_plan(&plan, &sql_plan);

    Ok(())
}

#[tokio::test]
async fn registry() -> Result<()> {