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https://issues.apache.org/jira/browse/FLINK-33941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jane Chan reassigned FLINK-33941:
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Assignee: xuyang
> Use field index instead of field name about window time column
> --------------------------------------------------------------
>
> Key: FLINK-33941
> URL: https://issues.apache.org/jira/browse/FLINK-33941
> Project: Flink
> Issue Type: Technical Debt
> Components: Table SQL / Planner
> Reporter: xuyang
> Assignee: xuyang
> Priority: Minor
> Labels: pull-request-available
>
> In some exec nodes like StreamExecGroupWindowAggregate and some rules like
> BatchPhysicalWindowAggregateRule, planner uses "AggregateUtil#timeFieldIndex"
> to access the actual time field index, instead of using the time field index
> in LogicalWindow#timeAttribute directly. However, it would be more formal to
> use the field index instead of the column field.
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