[GitHub] [flink] danny0405 opened a new pull request #8758: [FLINK-12867] Add insert overwrite grammar as HIVE dialect

[GitBox <gi...@apache.org>]

danny0405 opened a new pull request #8758: [FLINK-12867] Add insert overwrite grammar as HIVE dialect
URL: https://github.com/apache/flink/pull/8758
 
 
   ## What is the purpose of the change
   
   *This pull request add a new grammar insert overwrite as HIVE dialect, this overwrite can take the whole table or specific partition as effective scope, that means use can overwrite the whole table or a single partition.*
   
   
   ## Brief change log
   
     - Add new `OVERWRITE` keyword to insert sql statement
   
   
   ## Verifying this change
   
   See test cases in FlinkSqlParserImplTest.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): no
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no
     - The serializers: no
     - The runtime per-record code paths (performance sensitive): no
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: no
     - The S3 file system connector: no
   
   ## Documentation
   
     - Does this pull request introduce a new feature? yes
     - If yes, how is the feature documented? no
   

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