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https://issues.apache.org/jira/browse/FLINK-19668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-19668:
-----------------------------------
Labels: auto-deprioritized-major auto-deprioritized-minor (was:
auto-deprioritized-major stale-minor)
Priority: Not a Priority (was: Minor)
This issue was labeled "stale-minor" 7 days ago and has not received any
updates so it is being deprioritized. If this ticket is actually Minor, please
raise the priority and ask a committer to assign you the issue or revive the
public discussion.
> Fix the plan regression by Calcite upgrade to 1.26
> --------------------------------------------------
>
> Key: FLINK-19668
> URL: https://issues.apache.org/jira/browse/FLINK-19668
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.11.3
> Reporter: Danny Chen
> Priority: Not a Priority
> Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> See org.apache.flink.table.plan.TimeIndicatorConversionTest.testUnion,
> {code:java}
> @Test
> def testUnion(): Unit = {
> val util = streamTestUtil()
> val t = util.addTable[(Long, Long, Int)]("MyTable", 'rowtime.rowtime,
> 'long, 'int)
> val result = t.unionAll(t).select('rowtime)
> val expected = unaryNode(
> "DataStreamCalc",
> binaryNode(
> "DataStreamUnion",
> streamTableNode(t),
> streamTableNode(t),
> term("all", "true"),
> term("union all", "rowtime, long, int")
> ),
> term("select", "rowtime")
> )
> util.verifyTable(result, expected)
> }
> {code}
> The regression is because the new plan has same cost with the old, thus, the
> old was not picked as the best.
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