Function test_alias_self_join

datafusion/core/tests/dataframe/mod.rs:6215–6233

()

// Issue: https://github.com/apache/datafusion/issues/14112
#[tokio::test]
async fn test_alias_self_join() -> Result<()> {
    let left = create_test_table("t1").await?;
    let right = left.clone().alias("t2")?;
    let joined = left.join(right, JoinType::Full, &["a"], &["a"], None)?;
    assert_snapshot!(
        batches_to_sort_string(&joined.collect().await.unwrap()),
        @r"
    +-----------+-----+-----------+-----+
    | a         | b   | a         | b   |
    +-----------+-----+-----------+-----+
    | 123AbcDef | 100 | 123AbcDef | 100 |
    | CBAdef    | 10  | CBAdef    | 10  |
    | abc123    | 10  | abc123    | 10  |
    | abcDEF    | 1   | abcDEF    | 1   |
    +-----------+-----+-----------+-----+
    "
    );
    Ok(())
}

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