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https://issues.apache.org/jira/browse/FLINK-19242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
henvealf reopened FLINK-19242:
------------------------------
> org.apache.flink.table.api.ValidationException: Cannot resolve field
> --------------------------------------------------------------------
>
> Key: FLINK-19242
> URL: https://issues.apache.org/jira/browse/FLINK-19242
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.11.1
> Reporter: henvealf
> Priority: Major
>
> Hello,
> Planner: Blink
> The Code:
> {code:java}
> val countResult = eventTable
> .select($"name", $"product", $"id", $"_event_time")
> .window(Tumble over 10.second() on $"_event_time" as "w")
> .groupBy( $"id", $"w")
> .select(
> $"id".count() as("c"), $"id", $"w"
> )
> {code}
> Exception:
> {code:java}
> Exception in thread "main" org.apache.flink.table.api.ValidationException:
> Cannot resolve field [w], input field list:[id, EXPR$0].Exception in thread
> "main" org.apache.flink.table.api.ValidationException: Cannot resolve field
> [w], input field list:[id, EXPR$0]. at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.failForField(ReferenceResolverRule.java:80)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.lambda$null$3(ReferenceResolverRule.java:75)
> at java.util.Optional.orElseThrow(Optional.java:290) at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.lambda$null$4(ReferenceResolverRule.java:75)
> at java.util.Optional.orElseGet(Optional.java:267) at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.lambda$visit$5(ReferenceResolverRule.java:74)
> at java.util.Optional.orElseGet(Optional.java:267) at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.visit(ReferenceResolverRule.java:71)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule$ExpressionResolverVisitor.visit(ReferenceResolverRule.java:51)
> at
> org.apache.flink.table.expressions.ApiExpressionVisitor.visit(ApiExpressionVisitor.java:31)
> at
> org.apache.flink.table.expressions.UnresolvedReferenceExpression.accept(UnresolvedReferenceExpression.java:60)
> at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule.lambda$apply$0(ReferenceResolverRule.java:47)
> at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
> at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at
> java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at
> org.apache.flink.table.expressions.resolver.rules.ReferenceResolverRule.apply(ReferenceResolverRule.java:48)
> at
> org.apache.flink.table.expressions.resolver.ExpressionResolver.lambda$null$1(ExpressionResolver.java:211)
> at java.util.function.Function.lambda$andThen$1(Function.java:88) at
> java.util.function.Function.lambda$andThen$1(Function.java:88) at
> java.util.function.Function.lambda$andThen$1(Function.java:88) at
> org.apache.flink.table.expressions.resolver.ExpressionResolver.resolve(ExpressionResolver.java:178)
> at
> org.apache.flink.table.operations.utils.OperationTreeBuilder.projectInternal(OperationTreeBuilder.java:191)
> at
> org.apache.flink.table.operations.utils.OperationTreeBuilder.project(OperationTreeBuilder.java:160)
> at
> org.apache.flink.table.api.internal.TableImpl$WindowGroupedTableImpl.select(TableImpl.java:792)
> at
> ...
> Process finished with exit code 1
> {code}
> Why?
> Thanks!
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