Function to_lower

datafusion/functions/src/string/common.rs:328–330

(args: &[ColumnarValue], name: &str)

}

pub(crate) fn to_lower(args: &[ColumnarValue], name: &str) -> Result<ColumnarValue> {
    case_conversion(args, true, name)
}

pub(crate) fn to_upper(args: &[ColumnarValue], name: &str) -> Result<ColumnarValue> {
    case_conversion(args, false, name)