kszucs commented on code in PR #45001: URL: https://github.com/apache/arrow/pull/45001#discussion_r1893045120
########## docs/source/cpp/compute.rst: ########## @@ -1231,6 +1231,28 @@ Containment tests * \(8) Output is true iff :member:`MatchSubstringOptions::pattern` matches the corresponding input element at any position. + +Hash Functions +~~~~~~~~~~~~~~ + +Not to be confused with the "group by" functions, Hash functions produce an array of hash +values corresponding to the length of the input. Currently, these functions take a single +array as input. + ++---------------+-------+-------------+-------------+---------------+-------+ +| Function name | Arity | Input types | Output type | Options class | Notes | ++===============+=======+=============+=============+===============+=======+ +| hash32 | Unary | Any | UInt32 | | \(1) | ++---------------+-------+-------------+-------------+---------------+-------+ +| hash64 | Unary | Any | UInt64 | | \(1) | ++---------------+-------+-------------+-------------+---------------+-------+ + +* \(1) The hashing algorithm is "xxHash-like", making some minor trade-offs in favor of Review Comment: Updated to exclude the unsupported types and also mention no guarantees about hash stability. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
