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https://issues.apache.org/jira/browse/FLINK-17388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-17388:
-----------------------------------
Labels: auto-deprioritized-major stale-minor (was:
auto-deprioritized-major)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Minor but is unassigned and neither itself nor its Sub-Tasks have been updated
for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is
still Minor, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> flink sql The custom function in ROW type is executed multiple times
> ---------------------------------------------------------------------
>
> Key: FLINK-17388
> URL: https://issues.apache.org/jira/browse/FLINK-17388
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.9.1
> Reporter: cloudzhao
> Priority: Minor
> Labels: auto-deprioritized-major, stale-minor
>
> val tableA = tableEnv.sqlQuery("select custom_func(a) as a, custom_func(b) as
> b from tableS")
> tableEnv.registerTable("tableA", tableA)
> val tableB = tableEnv.sqlQuery("select ROW(a, b) as body from tableA")
> tableEnv.registerTable("tableB", tableB)
> val tableC = tableEnv.sqlQuery("select body.a, body.b from tableB")
> In this logic, the custom_func is executed four times
> tableC === select Row(custom_func(a) as a, custom_func(b) as b).a,
> Row(custom_func(a) as a, custom_func(b) as b).b from tableS
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