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https://issues.apache.org/jira/browse/FLINK-22954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17360563#comment-17360563
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Jark Wu commented on FLINK-22954:
---------------------------------
Currently, this behavior is as expected. Becuase if the UDTF is a constant, the
query will be optimized into two-input {{StreamExecJoin}} instead of
{{StreamExecCorrelate}}. {{StreamExecJoin}} with LEFT_JOIN will generate
updating result, that's why the query is failed.
I think maybe we shouldn't apply
{{StreamPhysicalConstantTableFunctionScanRule}} when outer joins, because it
will change ChangelogMode semantic. What do you think [~godfreyhe]?
> Don't support consuming update and delete changes when use table function
> that does not contain table field
> -----------------------------------------------------------------------------------------------------------
>
> Key: FLINK-22954
> URL: https://issues.apache.org/jira/browse/FLINK-22954
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Reporter: hehuiyuan
> Priority: Major
>
> {code:java}
> Exception in thread "main" org.apache.flink.table.api.TableException: Table
> sink 'default_catalog.default_database.kafkaTableSink' doesn't support
> consuming update and delete changes which is produced by node
> Join(joinType=[LeftOuterJoin], where=[true], select=[name, word],
> leftInputSpec=[NoUniqueKey], rightInputSpec=[NoUniqueKey])Exception in thread
> "main" org.apache.flink.table.api.TableException: Table sink
> 'default_catalog.default_database.kafkaTableSink' doesn't support consuming
> update and delete changes which is produced by node
> Join(joinType=[LeftOuterJoin], where=[true], select=[name, word],
> leftInputSpec=[NoUniqueKey], rightInputSpec=[NoUniqueKey]) at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.createNewNode(FlinkChangelogModeInferenceProgram.scala:382)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visit(FlinkChangelogModeInferenceProgram.scala:265)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.org$apache$flink$table$planner$plan$optimize$program$FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor$$visitChild(FlinkChangelogModeInferenceProgram.scala:341)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor$$anonfun$3.apply(FlinkChangelogModeInferenceProgram.scala:330)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor$$anonfun$3.apply(FlinkChangelogModeInferenceProgram.scala:329)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.immutable.Range.foreach(Range.scala:160) at
> scala.collection.TraversableLike$class.map(TraversableLike.scala:234) at
> scala.collection.AbstractTraversable.map(Traversable.scala:104) at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visitChildren(FlinkChangelogModeInferenceProgram.scala:329)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visit(FlinkChangelogModeInferenceProgram.scala:279)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.org$apache$flink$table$planner$plan$optimize$program$FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor$$visitChild(FlinkChangelogModeInferenceProgram.scala:341)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor$$anonfun$3.apply(FlinkChangelogModeInferenceProgram.scala:330)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor$$anonfun$3.apply(FlinkChangelogModeInferenceProgram.scala:329)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.immutable.Range.foreach(Range.scala:160) at
> scala.collection.TraversableLike$class.map(TraversableLike.scala:234) at
> scala.collection.AbstractTraversable.map(Traversable.scala:104) at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visitChildren(FlinkChangelogModeInferenceProgram.scala:329)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visit(FlinkChangelogModeInferenceProgram.scala:125)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram.optimize(FlinkChangelogModeInferenceProgram.scala:50)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram.optimize(FlinkChangelogModeInferenceProgram.scala:39)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkGroupProgram$$anonfun$optimize$1$$anonfun$apply$1.apply(FlinkGroupProgram.scala:63)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkGroupProgram$$anonfun$optimize$1$$anonfun$apply$1.apply(FlinkGroupProgram.scala:60)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at scala.collection.Iterator$class.foreach(Iterator.scala:893) at
> scala.collection.AbstractIterator.foreach(Iterator.scala:1336) at
> scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at
> scala.collection.AbstractIterable.foreach(Iterable.scala:54) at
> scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala:157) at
> scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104) at
> org.apache.flink.table.planner.plan.optimize.program.FlinkGroupProgram$$anonfun$optimize$1.apply(FlinkGroupProgram.scala:60)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkGroupProgram$$anonfun$optimize$1.apply(FlinkGroupProgram.scala:55)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at scala.collection.immutable.Range.foreach(Range.scala:160) at
> scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala:157) at
> scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104) at
> org.apache.flink.table.planner.plan.optimize.program.FlinkGroupProgram.optimize(FlinkGroupProgram.scala:55)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:62)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:58)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
> at scala.collection.Iterator$class.foreach(Iterator.scala:893) at
> scala.collection.AbstractIterator.foreach(Iterator.scala:1336) at
> scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at
> scala.collection.AbstractIterable.foreach(Iterable.scala:54) at
> scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala:157) at
> scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104) at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.optimize(FlinkChainedProgram.scala:57)
> at
> org.apache.flink.table.planner.plan.optimize.StreamCommonSubGraphBasedOptimizer.optimizeTree(StreamCommonSubGraphBasedOptimizer.scala:163)
> at
> org.apache.flink.table.planner.plan.optimize.StreamCommonSubGraphBasedOptimizer.doOptimize(StreamCommonSubGraphBasedOptimizer.scala:79)
> at
> org.apache.flink.table.planner.plan.optimize.CommonSubGraphBasedOptimizer.optimize(CommonSubGraphBasedOptimizer.scala:77)
> at
> org.apache.flink.table.planner.delegation.PlannerBase.optimize(PlannerBase.scala:287)
> at
> org.apache.flink.table.planner.delegation.StreamPlanner.explain(StreamPlanner.scala:100)
> at
> org.apache.flink.table.planner.delegation.StreamPlanner.explain(StreamPlanner.scala:42)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.explainInternal(TableEnvironmentImpl.java:630)
> at
> org.apache.flink.table.api.internal.StatementSetImpl.explain(StatementSetImpl.java:92){code}
>
> UDF code:
> {code:java}
> @FunctionHint(output = @DataTypeHint("ROW<word INT>"))
> public class GenerateSeriesUdf extends TableFunction<Row> {
> public void eval(int from, int to) {
> for (int i = from; i < to; i++) {
> Row row = new Row(1);
> row.setField(0, i);
> collect(row);
> }
> }
> @Override
> public TypeInformation<Row> getResultType() {
> return Types.ROW(Types.INT());
> }
> }
> {code}
>
> `JOIN` is ok, `LEFT JOIN` has error.
> INSERT INTO kafkaTableSink
> SELECT name, name, name, name, word
> FROM kafkaTableSource
> LEFT JOIN LATERAL TABLE(GENERATE_SERIES(1,5)) AS T(word) ON TRUE;
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