Function with_column_name

datafusion/core/tests/dataframe/mod.rs:2372–2401

()

#[tokio::test]
async fn with_column_name() -> Result<()> {
    // define data with a column name that has a "." in it:
    let array: Int32Array = [1, 10].into_iter().collect();
    let batch = RecordBatch::try_from_iter(vec![("f.c1", Arc::new(array) as _)])?;

    let ctx = SessionContext::new();
    ctx.register_batch("t", batch)?;

    let df = ctx
        .table("t")
        .await?
        // try and create a column with a '.' in it
        .with_column("f.c2", lit("hello"))?;

    let df_results = df.collect().await?;

    assert_snapshot!(
        batches_to_sort_string(&df_results),
        @r"
    +------+-------+
    | f.c1 | f.c2  |
    +------+-------+
    | 1    | hello |
    | 10   | hello |
    +------+-------+
    "
    );

    Ok(())
}

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