[jira] [Updated] (FLINK-11381) JOIN LATERAL with a table was not support

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-11381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-11381:
-----------------------------------
    Labels: auto-deprioritized-critical auto-deprioritized-major auto-unassigned stale-minor  (was: auto-deprioritized-critical auto-deprioritized-major auto-unassigned)

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.


> JOIN LATERAL with a table was not support 
> ------------------------------------------
>
>                 Key: FLINK-11381
>                 URL: https://issues.apache.org/jira/browse/FLINK-11381
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / API
>    Affects Versions: 1.7.0
>         Environment: Flink 1.7.0 
>            Reporter: Hongtao Zhang
>            Priority: Minor
>              Labels: auto-deprioritized-critical, auto-deprioritized-major, auto-unassigned, stale-minor
>
> INNER/LEFT LATERAL with a table (not table function) was not support by flink 
>  
> the sql query was tested on postgres 9.5 and passed but failed on Flink
>  
> val sqlQuery =
>  """
>  |SELECT
>  | SUM(o.amount * r1.rate)
>  |FROM Orders as o INNER JOIN LATERAL (
>  | SELECT rowtime, rate
>  | FROM RatesHistory as r
>  | WHERE r.currency = o.currency
>  | AND rowtime <= o.rowtime
>  | ORDER BY rowtime DESC
>  | LIMIT 1
>  |) as r1 ON TRUE
>  """.stripMargin
>  
> and the Error below
>  
> org.apache.flink.table.api.TableException: Cannot generate a valid execution plan for the given query: 
> FlinkLogicalAggregate(group=[{}], EXPR$0=[SUM($0)])
>  FlinkLogicalCalc(expr#0..5=[\{inputs}], expr#6=[*($t1, $t3)], $f0=[$t6])
>  FlinkLogicalJoin(condition=[AND(=($0, $4), =($2, $5))], joinType=[inner])
>  FlinkLogicalNativeTableScan(table=[[_DataStreamTable_0]])
>  FlinkLogicalCalc(expr#0..4=[\{inputs}], rate=[$t2], rowtime0=[$t3], currency0=[$t4])
>  FlinkLogicalSort(sort0=[$0], dir0=[DESC], fetch=[1])
>  FlinkLogicalJoin(condition=[AND(=($1, $4), <=($0, $3))], joinType=[inner])
>  FlinkLogicalNativeTableScan(table=[[_DataStreamTable_1]])
>  FlinkLogicalAggregate(group=[\{0, 1}])
>  FlinkLogicalCalc(expr#0..2=[\{inputs}], rowtime=[$t0], currency=[$t2])
>  FlinkLogicalNativeTableScan(table=[[_DataStreamTable_0]])
> This exception indicates that the query uses an unsupported SQL feature.
> Please check the documentation for the set of currently supported SQL features.
>  
>  at org.apache.flink.table.api.TableEnvironment.runVolcanoPlanner(TableEnvironment.scala:377)
>  at org.apache.flink.table.api.TableEnvironment.optimizePhysicalPlan(TableEnvironment.scala:302)
>  at org.apache.flink.table.api.StreamTableEnvironment.optimize(StreamTableEnvironment.scala:832)
>  at org.apache.flink.table.api.StreamTableEnvironment.translate(StreamTableEnvironment.scala:881)
>  at org.apache.flink.table.api.scala.StreamTableEnvironment.toAppendStream(StreamTableEnvironment.scala:170)
>  at org.apache.flink.table.api.scala.StreamTableEnvironment.toAppendStream(StreamTableEnvironment.scala:146)
>  at org.apache.flink.table.api.scala.TableConversions.toAppendStream(TableConversions.scala:98)
>  at org.apache.flink.table.runtime.stream.sql.TemporalJoinITCase.testLateralJoin(TemporalJoinITCase.scala:88)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:498)
>  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>  at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>  at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:239)
>  at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>  at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
>  at org.junit.rules.RunRules.evaluate(RunRules.java:20)
>  at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
>  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>  at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
>  at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
>  at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
>  at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
>  at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
>  at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>  at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>  at org.junit.rules.RunRules.evaluate(RunRules.java:20)
>  at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
>  at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
>  at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
>  at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
>  at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
>  at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
>  



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