tustvold commented on code in PR #5493:
URL: https://github.com/apache/arrow-rs/pull/5493#discussion_r1519076201
##########
arrow-data/src/data.rs:
##########
@@ -119,12 +119,22 @@ pub(crate) fn new_buffers(data_type: &DataType, capacity:
usize) -> [MutableBuff
buffer.push(0i32);
[buffer, empty_buffer]
}
+ DataType::ListView(_) => {
+ let mut buffer = MutableBuffer::new((1 + capacity) *
mem::size_of::<i64>());
+ buffer.push(0i32);
Review Comment:
Is this correct? My reading of
https://arrow.apache.org/docs/format/Columnar.html#listview-layout is that a
ListView of length `n` will have an offsets and a sizes buffer both of length
`n`
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