Github user gatorsmile commented on the issue:
https://github.com/apache/spark/pull/15432
Unfortunately, not all the things have a standard to follow. That is why I
suggested you to do a research about it. Like Oracle, it does not have such a
function in their SQL-function list:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions001.htm
Since you are doing the change in `rand`, I think you can check whether the
existing `rand` behaves as expected and adds the missing test cases if needed.
This JIRA is just trying to cover an edge case of a seed number. Why not
checking whether we appropriately handle all the cases? Then, we do not need to
submit more small fixes for `rand`, right?
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