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https://issues.apache.org/jira/browse/FLINK-23246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17375770#comment-17375770
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JING ZHANG commented on FLINK-23246:
------------------------------------
[~twalthr] Please have a review at
[pr|https://github.com/apache/flink/pull/16397] when you have time, thanks a
lot.
> Refactor the time indicator materialization
> -------------------------------------------
>
> Key: FLINK-23246
> URL: https://issues.apache.org/jira/browse/FLINK-23246
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: JING ZHANG
> Assignee: JING ZHANG
> Priority: Major
> Labels: pull-request-available
>
> Refactor the time indicator materialization, including
> 1. Move `time_indicator` materialize after `logical_rewrite` phase, which is
> closely before the physical optimization
> 2. Port `RelTimeIndicatorConverter` from scala to Java
> 3. Refator `RelTimeIndicatorConverter` to match `FlinkLogicalRel`
> 4. split Match_ROWTIME return type converter into a separator class which
> works before `DEFAULT_REWRITE` which contains rules to convert
> windowProperties.
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