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https://issues.apache.org/jira/browse/FLINK-20880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shengkai Fang updated FLINK-20880:
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    Component/s:     (was: API / Core)
                 Formats (JSON, Avro, Parquet, ORC, SequenceFile)

> Turn Json String into Row 
> --------------------------
>
>                 Key: FLINK-20880
>                 URL: https://issues.apache.org/jira/browse/FLINK-20880
>             Project: Flink
>          Issue Type: Improvement
>          Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
>    Affects Versions: 1.12.0
>            Reporter: tonychan
>            Priority: Major
>
> schema has  three params ,a,b,c
> message a:\{ "a": 1, "b": 1, "c": 2}   
> message b:\{ "a": 1, "b": null, "c": 2}   
> message c:\{ "a": 1,  "c": 2}   
>  the schema is a,b,c  running the code as bleow
> Row row = new Row(RowKind.INSERT,3);
> row.setField(0,1);
> row.setField(1,2);
> row.setField(2,3);
> System.out.println(row);
> a:1,2,3
> b:1,null,3
> c:1,null,3
> turn message into row , message a is ok, but we cant distinguish message b 
> and message c if we use null, when deal message c ,we must use like NaN 
> row(2,NaN),  i think row need a easy way to show message b and message c  
> with row
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