sweb commented on pull request #8640:
URL: https://github.com/apache/arrow/pull/8640#issuecomment-729082645
@jorgecarleitao could you check the following strange thing I cannot explain
to myself:
I added two additional asserts in `test_decimal_offsets` and
`test_fixed_size_binary_offsets` (see latest commit, leading to 2 failing
tests).
```
let a = create_decimal_array(&[
Some(8_887_000_000),
None,
None,
Some(-8_887_000_000),
None,
None,
]);
let b = create_decimal_array(&[
Some(8_887_000_000),
None,
None,
Some(15_887_000_000),
None,
None,
]);
let a_slice = a.slice(3, 3);
let b_slice = b.slice(3, 3);
test_equal(&a_slice, &b_slice, false);
```
From my current understanding, these slices should not be the same, since
one is [-8887, None, None] and the other one is [15887, None, None]. However
the test states that they are equal. Same for the fixed_binary test. Do you
have an idea what I am missing? It is very likely that I do not really
understand how the offsets work and that these checks should in fact evaluate
to `true`.
Thanks!
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