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https://issues.apache.org/jira/browse/FLINK-25483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martijn Visser closed FLINK-25483.
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Resolution: Won't Fix
> When FlinkSQL writes ES, it will not write and update the null value field
> --------------------------------------------------------------------------
>
> Key: FLINK-25483
> URL: https://issues.apache.org/jira/browse/FLINK-25483
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / Ecosystem
> Reporter: 陈磊
> Priority: Minor
>
> Using Flink SQL to consume Kafka to write ES, sometimes some fields do not
> exist, and those that do not exist do not want to write ES, how to deal with
> this situation?
> For example: the source data has 3 fields, a, b, c
> insert into table2
> select
> a,b,c
> from table1
> When b=null, only hope to write a and c
> When c=null, only hope to write a and b
>
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