Jacky Lau created FLINK-34033:
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             Summary: flink json supports raw type 
                 Key: FLINK-34033
                 URL: https://issues.apache.org/jira/browse/FLINK-34033
             Project: Flink
          Issue Type: Bug
          Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
    Affects Versions: 1.19.0
            Reporter: Jacky Lau
             Fix For: 1.19.0


when user use es type nested/object, user can using complex type like 
ROW/ARRAY/MAP.

but it will not convenient when the object type is not fixed size like ROW. for 
example, user my user udf to produce those data and insert to es. we can 
supports RAW type
{code:java}
CREATE TABLE es_sink (
 `string` VARCHAR, 
  nested RAW('java.lang.Object', 
'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'),
  object RAW('java.lang.Object', 
'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'),
  PRIMARY KEY (`string`) NOT ENFORCED
) WITH
('connector'='elasticsearch'); {code}
and es is dependent on flink-json currently, so we can make flink-json supports 
RAW type



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