Function btrim

datafusion/functions/src/string/btrim.rs:34–43

Returns the longest string with leading and trailing characters removed. If the characters are not specified, spaces are removed. btrim('xyxtrimyyx', 'xyz') = 'trim'

(args: &[ArrayRef])

/// Returns the longest string with leading and trailing characters removed. If the characters are not specified, spaces are removed.
/// btrim('xyxtrimyyx', 'xyz') = 'trim'
fn btrim<T: OffsetSizeTrait>(args: &[ArrayRef]) -> Result<ArrayRef> {
    let use_string_view = args[0].data_type() == &DataType::Utf8View;
    let args = if args.len() > 1 {
        let arg1 = arrow::compute::kernels::cast::cast(&args[1], args[0].data_type())?;
        vec![Arc::clone(&args[0]), arg1]
    } else {
        args.to_owned()
    };
    general_trim::<T, TrimBoth>(&args, use_string_view)
}

#[user_doc(
    doc_section(label = "String Functions"),