Serge Rielau created SPARK-42638:
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Summary: current_user() is blocked from VALUES, but
current_timestamp() is not
Key: SPARK-42638
URL: https://issues.apache.org/jira/browse/SPARK-42638
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.3.0
Reporter: Serge Rielau
VALUES(current_user());
returns:
cannot evaluate expression current_user() in inline table definition.; line 1
pos 8
The same with current_timestamp() works.
It appears current_user() is recognized as non-deterministic. But it is
constant within the statement, just like current_timestanmp().
PS: It's not clear why we block non-deterministic functions to begin with....
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