Shengkai Fang created FLINK-19282:
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Summary: Support watermark push down with WatermarkStrategy
Key: FLINK-19282
URL: https://issues.apache.org/jira/browse/FLINK-19282
Project: Flink
Issue Type: New Feature
Components: Table SQL / Planner
Reporter: Shengkai Fang
Push the {{WatermarkStrategy}} into TableSourceScan in the interface
{{SupportsWatermarkPushDown}}. Sometimes users define watermark on computed
column. Therefore, we will push the computed column of rowtime into
{{WatermarkStrategy}} first. For more info, please take a look at
[discussion|http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Merge-SupportsComputedColumnPushDown-and-SupportsWatermarkPushDown-td44387.html].
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