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https://issues.apache.org/jira/browse/FLINK-17693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17107316#comment-17107316
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Kurt Young commented on FLINK-17693:
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TypeInformation will cause some confuse for table users. It's hard for them to
distinguish between TypeInformation and DataType
> Add createTypeInformation to DynamicTableSink#Context
> -----------------------------------------------------
>
> Key: FLINK-17693
> URL: https://issues.apache.org/jira/browse/FLINK-17693
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Jark Wu
> Assignee: Jark Wu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0
>
>
> Currently, we have {{createTypeInformation}} on
> {{DynamicTableSource#Context}}, but not on {{DynamicTableSink#Context}}.
> In some sink connectors, we need to buffer the {{RowData}} and flush at some
> interval. So we need to copy the {{RowData}} if object reuse is enabled, then
> the internal TypeInformation is needed to get the RowData
> TypeSerializer#copy.
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