planga82 commented on pull request #32496:
URL: https://github.com/apache/spark/pull/32496#issuecomment-840925096
> Looks ok. We should also update the migration guide. Also, please be more
specific in the PR title as this is for float/double type only?
Applies only to floating point types, I have updated the title
> How about other hash functions, e.g., md5?
The other functions require binary types, anyway, I have tested it and it
does not reproduce the problem.
```
spark.sql("select md5(bin(cast('0.0' as double))) == md5(bin(cast('-0.0' as
double)))").show
spark.sql("select sha2(bin(cast('0.0' as double)),224) ==
sha2(bin(cast('-0.0' as double)),224)").show
spark.sql("select sha1(bin(cast('0.0' as double))) == sha1(bin(cast('-0.0'
as double)))").show
spark.sql("select crc32(bin(cast('0.0' as double))) ==
crc32(bin(cast('-0.0' as double)))").show
```
Thanks!
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