[GitHub] [hive] zabetak commented on pull request #4237: HIVE-27264: Literals in conjunction of two in expression are considered not equals if type precision is different

["zabetak (via GitHub)" <gi...@apache.org>]

zabetak commented on PR #4237:
URL: https://github.com/apache/hive/pull/4237#issuecomment-1512895143

   @kasakrisz where does the transformation from:
   ```
   AND(IN($0, _UTF-16LE'AAA111':VARCHAR(30) CHARACTER SET "UTF-16LE", _UTF-16LE'BBB222':VARCHAR(30) CHARACTER SET "UTF-16LE"), IN($0, _UTF-16LE'AAA111':VARCHAR(14) CHARACTER SET "UTF-16LE", _UTF-16LE'BBB222':VARCHAR(14) CHARACTER SET "UTF-16LE"))
   ```
   to
   ```
   AND(IS NULL($0), null)
   ```
   happen?
   I am curious if the problem is specific to `HivePointLookupOptimizerRule` or a broader one.


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