Function test_fn_substr

datafusion/core/tests/dataframe/dataframe_functions.rs:1109–1128

()

#[tokio::test]
#[cfg(feature = "unicode_expressions")]
async fn test_fn_substr() -> Result<()> {
    let expr = substr(col("a"), lit(2));

    let batches = get_batches(expr).await?;

    assert_snapshot!(
        batches_to_string(&batches),
        @r"
    +-------------------------+
    | substr(test.a,Int32(2)) |
    +-------------------------+
    | bcDEF                   |
    | bc123                   |
    | BAdef                   |
    | 23AbcDef                |
    +-------------------------+
    ");

    Ok(())
}

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