Function describe_boolean_binary

datafusion/core/tests/dataframe/describe.rs:54–82

()

#[tokio::test]
async fn describe_boolean_binary() -> Result<()> {
    let ctx = parquet_context().await;

    //add test case for only boolean boolean/binary column
    let result = ctx
        .sql("select 'a' as a,true as b")
        .await?
        .describe()
        .await?
        .collect()
        .await?;

    assert_snapshot!(
        batches_to_string(&result),
        @r"
    +------------+------+------+
    | describe   | a    | b    |
    +------------+------+------+
    | count      | 1    | 1    |
    | null_count | 0    | 0    |
    | mean       | null | null |
    | std        | null | null |
    | min        | a    | null |
    | max        | a    | null |
    | median     | null | null |
    +------------+------+------+
    ");
    Ok(())
}

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