yjshen opened a new issue, #4741:
URL: https://github.com/apache/arrow-rs/issues/4741
**Describe the bug**
<!--
A clear and concise description of what the bug is.
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The `Row` is no longer comparable when the `Rows` get reused after
`Rows::clear()`.
**To Reproduce**
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Steps to reproduce the behavior:
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```rs
#[test]
fn test_clear() {
let mut converter =
RowConverter::new(vec![SortField::new(DataType::Int32)]).unwrap();
let mut rows = converter.empty_rows(3, 128);
let first = Int32Array::from(vec![None, Some(2), Some(4)]);
let second = Int32Array::from(vec![Some(2), None, Some(4)]);
let arrays = vec![
Arc::new(first) as ArrayRef,
Arc::new(second) as ArrayRef
];
for array in arrays.iter() {
rows.clear();
converter.append(&mut rows, &[array.clone()]).unwrap();
let back = converter.convert_rows(&rows).unwrap();
assert_eq!(&back[0], array);
}
let mut rows_expected = converter.empty_rows(3, 128);
converter.append(&mut rows_expected, &arrays[1..]).unwrap();
for (i, (actual, expected)) in
rows.iter().zip(rows_expected.iter()).enumerate() {
assert_eq!(actual, expected, "For row {}: expected {:?}, actual:
{:?}", i, expected, actual);
}
}
```
The test fails with:
```
For row 1: expected Row { data: [0, 0, 0, 0, 0], config: RowConfig { fields:
[SortField { options: SortOptions { descending: false, nulls_first: true },
data_type: Int32, preserve_dictionaries: true }], validate_utf8: false } },
actual: Row { data: [0, 128, 0, 0, 2], config: RowConfig { fields: [SortField {
options: SortOptions { descending: false, nulls_first: true }, data_type:
Int32, preserve_dictionaries: true }], validate_utf8: false } }
```
**Expected behavior**
<!--
A clear and concise description of what you expected to happen.
-->
Pass the test.
**Additional context**
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Add any other context about the problem here.
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Encontered this while working on
https://github.com/apache/arrow-datafusion/pull/7426
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