[
https://issues.apache.org/jira/browse/FLINK-22454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jark Wu updated FLINK-22454:
----------------------------
Summary: Failed to translate Lookup Join when join on a CAST expression on
dimention table column (was: Ignore CAST condition in lookup join)
> Failed to translate Lookup Join when join on a CAST expression on dimention
> table column
> ----------------------------------------------------------------------------------------
>
> Key: FLINK-22454
> URL: https://issues.apache.org/jira/browse/FLINK-22454
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.13.0
> Reporter: Shengkai Fang
> Priority: Major
>
> Please add test in {{LookupJoinTest}}
> {code:java}
> def before(): Unit ={
> util.addDataStream[(Int, String, Long)](
> "MyTable", 'a, 'b, 'c, 'proctime.proctime, 'rowtime.rowtime)
> if (legacyTableSource) {
> TestTemporalTable.createTemporaryTable(util.tableEnv, "LookupTable")
> } else {
> util.addTable(
> """
> |CREATE TABLE LookupTable (
> | `id` DECIMAL(38, 10),
> | `to_qty` DECIMAL(38, 10),
> | `name` STRING,
> | `age` INT,
> | `id_int` as CAST(`id` AS INT)
> |) WITH (
> | 'connector' = 'values'
> |)
> |""".stripMargin)
> }
> {code}
> {code:java}
> @Test
> def test(): Unit = {
> val sql =
> """
> |SELECT MyTable.b, LookupTable.`to_qty`
> |FROM MyTable
> |LEFT JOIN LookupTable FOR SYSTEM_TIME AS OF MyTable.`proctime`
> |ON MyTable.a = CAST(LookupTable.`id` as INT)
> |""".stripMargin
> util.tableEnv.sqlQuery(sql).explain()
> }
> {code}
> The exception stack is
> {code}
> org.apache.flink.table.api.TableException: Temporal table join requires
> equivalent condition of the same type, but the condition is
> a[INT]=id[DECIMAL(38, 10)]
> at
> org.apache.flink.table.planner.plan.nodes.exec.common.CommonExecLookupJoin.validateLookupKeyType(CommonExecLookupJoin.java:303)
> at
> org.apache.flink.table.planner.plan.nodes.exec.common.CommonExecLookupJoin.translateToPlanInternal(CommonExecLookupJoin.java:222)
> at
> org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase.translateToPlan(ExecNodeBase.java:134)
> at
> org.apache.flink.table.planner.plan.nodes.exec.ExecEdge.translateToPlan(ExecEdge.java:247)
> at
> org.apache.flink.table.planner.plan.nodes.exec.common.CommonExecCalc.translateToPlanInternal(CommonExecCalc.java:88)
> at
> org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase.translateToPlan(ExecNodeBase.java:134)
> at
> org.apache.flink.table.planner.delegation.StreamPlanner$$anonfun$translateToPlan$1.apply(StreamPlanner.scala:70)
> at
> org.apache.flink.table.planner.delegation.StreamPlanner$$anonfun$translateToPlan$1.apply(StreamPlanner.scala:69)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.Iterator$class.foreach(Iterator.scala:891)
> at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
> at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
> at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
> at scala.collection.AbstractTraversable.map(Traversable.scala:104)
> at
> org.apache.flink.table.planner.delegation.StreamPlanner.translateToPlan(StreamPlanner.scala:69)
> at
> org.apache.flink.table.planner.delegation.StreamPlanner.explain(StreamPlanner.scala:104)
> at
> org.apache.flink.table.planner.delegation.StreamPlanner.explain(StreamPlanner.scala:46)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.explainInternal(TableEnvironmentImpl.java:691)
> at
> org.apache.flink.table.api.internal.TableImpl.explain(TableImpl.java:582)
> at
> org.apache.flink.table.planner.plan.stream.sql.join.LookupJoinTest.test(LookupJoinTest.scala:197)
> 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$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:239)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> 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.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runners.Suite.runChild(Suite.java:128)
> at org.junit.runners.Suite.runChild(Suite.java:27)
> 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$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
> at
> com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
> at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
> {code}
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