[
https://issues.apache.org/jira/browse/FLINK-11381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
vinoyang reassigned FLINK-11381:
--------------------------------
Assignee: vinoyang
> 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 API & SQL
> Affects Versions: 1.7.0
> Environment: Flink 1.7.0
> Reporter: Hongtao Zhang
> Assignee: vinoyang
> Priority: Critical
>
> 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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