Github user dilipbiswal commented on the pull request:
https://github.com/apache/spark/pull/8983#issuecomment-145734618
Can you please help clarify ? Are you referring to the case when one of the
value in the
in list is literal null like 1 in (1, NULL) ? If so, i don't think we can
evaluate this to NULL...
Ran the following two queries on hive
hive> select 1 in (1,NULL) from tnull;
OK
true
true
true
Time taken: 1.21 seconds, Fetched: 3 row(s)
hive> select 1 in (NULL,1) from tnull;
OK
true
true
true
Time taken: 0.168 seconds, Fetched: 3 row(s)
We have already taken care of the case LHS type is null. Let me know what
you think.
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