kszucs commented on PR #45001:
URL: https://github.com/apache/arrow/pull/45001#issuecomment-2535964239
Seems like we generate the same hash for both `NULL` and `0` which is not
ideal.
```py
In [1]: import pyarrow as pa
In [2]: import pyarrow.compute as pc
In [3]: pc.hash_64([None])
Out[3]:
<pyarrow.lib.UInt64Array object at 0x124247be0>
[
0
]
In [4]: pc.hash_64([0])
Out[4]:
<pyarrow.lib.UInt64Array object at 0x1033027a0>
[
0
]
```
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