Function group_by_ambiguous_column

datafusion/core/tests/dataframe/mod.rs:3703–3718

()

#[tokio::test]
async fn group_by_ambiguous_column() -> Result<()> {
    let err = create_test_table("t1")
        .await?
        .join(
            create_test_table("t2").await?,
            JoinType::Inner,
            &["a"],
            &["a"],
            None,
        )?
        .aggregate(vec![col("b")], vec![max(col("a"))])
        .unwrap_err();

    assert_snapshot!(err.strip_backtrace(), @"Schema error: Ambiguous reference to unqualified field b");
    Ok(())
}

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