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https://issues.apache.org/jira/browse/FLINK-22601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17412935#comment-17412935
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xuyangzhong commented on FLINK-22601:
-------------------------------------
link FLINK-22603
> PushWatermarkIntoScan should produce digest created by Expression
> -----------------------------------------------------------------
>
> Key: FLINK-22601
> URL: https://issues.apache.org/jira/browse/FLINK-22601
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Priority: Minor
> Labels: auto-deprioritized-major, pull-request-available
> Fix For: 1.14.0
>
>
> In PushWatermarkIntoTableSourceScanRuleBase, the digest is created by RexNode
> instead of Expression, RexNode rely on field index but Expression rely on
> field name.
> We should adjust it to names.
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