cloud-fan commented on issue #27107: [SPARK-30436][SQL] Allow CREATE EXTERNAL TABLE with only requiring LOCATION URL: https://github.com/apache/spark/pull/27107#issuecomment-571454410 > And then I don't see a reason to retain EXTERNAL to first syntax as it will just make statement fail. It's common to define the possible mistakes in the syntax rule so that: 1) we can give better error message. 2) the parser can stop here and don't need to go through the following syntax rules.
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