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https://issues.apache.org/jira/browse/FLINK-21549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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godfrey he updated FLINK-21549:
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Summary: Support json serialization/deserialization for the push-down
result of DynamicTableSource and DynamicTableSink (was: Support json
serialization/deserialization for the abilities of Source and Sink)
> Support json serialization/deserialization for the push-down result of
> DynamicTableSource and DynamicTableSink
> --------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-21549
> URL: https://issues.apache.org/jira/browse/FLINK-21549
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
> Fix For: 1.13.0
>
>
> Currently, Flink supports applying different kinds of ability to Source:
> projection push down, filter push, watermark push down, limit push down,
> partition push down, reading metadata. The push-down result should also be
> serialized to the json plan and then we can get the correct ExecNode plan
> from the json plan. To avoid modifying each connector, we can store the
> push-down result into the TableSourceTable during the Calcite optimization
> phase, and store the push-down result into DynamicTableSourceSpec in the
> ExecNode graph.
> We can do the similar things for the Sink.
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