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https://issues.apache.org/jira/browse/FLINK-19118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sunjincheng closed FLINK-19118.
-------------------------------
Resolution: Fixed
Fixed in Master: a8cc62a901dabe6c4d877b97db6024715b68174a
> Support Expression in the operations of the Python Table API
> ------------------------------------------------------------
>
> Key: FLINK-19118
> URL: https://issues.apache.org/jira/browse/FLINK-19118
> Project: Flink
> Issue Type: Sub-task
> Components: API / Python
> Reporter: Dian Fu
> Assignee: Dian Fu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> Currently, it only supports string in the operations of the Python Table API.
> For example:
> {code}
> >>> tab.group_by("key").select("key, value.avg")
> {code}
> After introducing the Expression class in FLINK-19114, it's possible to
> support
> to use Expression in the operations in the Python Table API, e.g.
> {code}
> >>> tab.group_by(col("key")).select(col("key"), col("value").avg)
> {code}
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