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https://issues.apache.org/jira/browse/FLINK-19419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17202214#comment-17202214
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Jark Wu commented on FLINK-19419:
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Sorry. I don't think so. In the source side, the {{nullStringBytes}} (assuming
it is 'n/a') is used when the value is not null and is 'n/a', then we should
produce {{null}} to downstream.
> "null-string-literal" does not work in HBaseSource decoder
> ------------------------------------------------------------
>
> Key: FLINK-19419
> URL: https://issues.apache.org/jira/browse/FLINK-19419
> Project: Flink
> Issue Type: Bug
> Components: Connectors / HBase
> Affects Versions: 1.11.0, 1.11.1, 1.11.2
> Reporter: CaoZhen
> Priority: Minor
> Labels: pull-request-available
> Attachments: image-2020-09-25-21-11-36-418.png
>
>
>
> When using HBaseSoucre, it is found that "null-string-literal" does not work.
> The current decoder processing logic is shown below.
> `nullStringBytes` should be used when the `value` is null.
>
> !image-2020-09-25-21-11-36-418.png!
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