Function spark_space_array_inner

datafusion/spark/src/function/string/space.rs:137–154

(array: &Int32Array)

}

fn spark_space_array_inner(array: &Int32Array) -> StringArray {
    let mut builder = StringBuilder::with_capacity(array.len(), array.len() * 16);
    let mut space_buf = String::new();
    for value in array.iter() {
        match value {
            None => builder.append_null(),
            Some(l) if l > 0 => {
                let l = l as usize;
                if space_buf.len() < l {
                    space_buf = " ".repeat(l);
                }
                builder.append_value(&space_buf[..l]);
            }
            Some(_) => builder.append_value(""),
        }
    }
    builder.finish()
}

#[cfg(test)]
mod tests {