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https://issues.apache.org/jira/browse/FLINK-6067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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jingzhang updated FLINK-6067:
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Summary: DataSetCalc which contains filterCondition and projects would not
be choose as best path in Batch TableAPI/SQL (was: ProjectNode and FilterNode
cannot merge in Batch TableAPI/SQL)
> DataSetCalc which contains filterCondition and projects would not be choose
> as best path in Batch TableAPI/SQL
> --------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-6067
> URL: https://issues.apache.org/jira/browse/FLINK-6067
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: jingzhang
> Assignee: jingzhang
>
> {code}
> val result = table.where('a < 60).select('a * 1.2, 'b / 2, 'c)
> {code}
> we run the above code in the Batch TableAPI/SQL, we would get the following
> optimizedPlan
> {code}
> DataSetCalc(select=[*(a, 1.2E0) AS _c0, /(b, 2) AS _c1, c])
> DataSetCalc(select=[a, b, c], where=[<(a, 60)])
> DataSetScan(table=[[_DataSetTable_0]])
> {code}
> However, we run the above code in the Stream TableAPI/SQL, we would get the
> following optimizedPlan
> {code}
> DataStreamCalc(select=[*(a, 1.2E0) AS _c0, /(b, 2) AS _c1, c], where=[<(a,
> 60)])
> DataStreamScan(table=[[_DataStreamTable_0]])
> {code}
> we can find that in the batch tableAPI/SQL, DataSetCalc which contains
> filterCondition and projectCondition would not be choose as best path.
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