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https://issues.apache.org/jira/browse/FLINK-13391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16891562#comment-16891562
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Jark Wu commented on FLINK-13391:
---------------------------------
I think we should not call {{getReturnType}} in
{{InputFormatTableSource#getDataStream}}. We should call
{{TypeConversions.fromDataTypeToLegacyInfo(getProducedDataType())}} instead.
> Blink-planner should not invoke deprecated getReturnType of TableSource
> -----------------------------------------------------------------------
>
> Key: FLINK-13391
> URL: https://issues.apache.org/jira/browse/FLINK-13391
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Priority: Major
> Fix For: 1.9.0, 1.10.0
>
>
> Now, blink-planner will invoke getDataStream of InputFormatTableSource, this
> will invoke deprecated getReturnType method.
> We should invoke getInputFormat of InputFormatTableSource to be same as
> flink-planner.
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