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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/05/08 09:51:01 UTC

[GitHub] [flink] docete commented on pull request #11892: [FLINK-17112][table] Support DESCRIBE statement in Flink SQL

docete commented on pull request #11892:
URL: https://github.com/apache/flink/pull/11892#issuecomment-625736929


   `
   +------+--------------------------------+-------+--------+-------------------+----------------------------+
   | name |                           type |  null |    key |    compute column |                  watermark |
   +------+--------------------------------+-------+--------+-------------------+----------------------------+
   |    a |                            INT | false | (NULL) |            (NULL) |                     (NULL) |
   |    b |                         STRING |  true | (NULL) |            (NULL) |                     (NULL) |
   |    c |  ROW<`f0` INT NOT NULL, `f1... | false | (NULL) |            (NULL) |                     (NULL) |
   |   ts |                   TIMESTAMP(3) |  true | (NULL) | TO_TIMESTAMP(`b`) | `ts` - INTERVAL '1' SECOND |
   +------+--------------------------------+-------+--------+-------------------+----------------------------+
   
   `


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