Pengcheng Xiong created HIVE-11703:
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Summary: Make RegExp and RLike reserved keywords
Key: HIVE-11703
URL: https://issues.apache.org/jira/browse/HIVE-11703
Project: Hive
Issue Type: Sub-task
Reporter: Pengcheng Xiong
Assignee: Pengcheng Xiong
RegExp and RLike are treated as "precedenceEqualNegatableOperator" in Hive.
They actually come from MySQL. Both of them are not keywords in SQL2011. But
they are reserved keywords in MySQL. Making them reserved ones can eliminate
the current 14 ambiguities that we have in current Hive. If users still would
like to use them as identifiers/function names, users can "set
hive.support.sql11.reserved.keywords=false;"
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