Stamatis Zampetakis created HIVE-27162:
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Summary: Unify HiveUnixTimestampSqlOperator and
HiveToUnixTimestampSqlOperator
Key: HIVE-27162
URL: https://issues.apache.org/jira/browse/HIVE-27162
Project: Hive
Issue Type: Task
Components: CBO
Reporter: Stamatis Zampetakis
The two classes below both represent the {{unix_timestamp}} operator and have
identical implementations.
*
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/reloperators/HiveUnixTimestampSqlOperator.java
*
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/reloperators/HiveToUnixTimestampSqlOperator.java
Probably there is a way to use one or the other and not both; having two ways
of representing the same thing can bring various problems in query planning and
it also leads to code duplication.
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