Takeshi Yamamuro created SPARK-20964:
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Summary: Make some keywords reserved along with the ANSI/SQL
standard
Key: SPARK-20964
URL: https://issues.apache.org/jira/browse/SPARK-20964
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.1.1
Reporter: Takeshi Yamamuro
Priority: Minor
The current Spark has many non-reserved words that are essentially reserved in
the ANSI/SQL standard
(http://developer.mimer.se/validator/sql-reserved-words.tml).
https://github.com/apache/spark/blob/master/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4#L709
This is because there are many datasources (for instance twitter4j) that
unfortunately use reserved keywords for column names (See [~hvanhovell]'s
comments: https://github.com/apache/spark/pull/18079#discussion_r118842186). We
might fix this issue in future major releases.
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