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https://issues.apache.org/jira/browse/BEAM-9511?focusedWorklogId=404299&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-404299
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ASF GitHub Bot logged work on BEAM-9511:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/Mar/20 22:24
            Start Date: 16/Mar/20 22:24
    Worklog Time Spent: 10m 
      Work Description: robinyqiu commented on issue #11133: 
[BEAM-9511][BEAM-9515][BEAM-9516] Uncollect takes arbitrary expressions
URL: https://github.com/apache/beam/pull/11133#issuecomment-599784806
 
 
   Would be great to add the query in 
https://issues.apache.org/jira/browse/BEAM-9511 as a unit test.
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 404299)
    Remaining Estimate: 0h
            Time Spent: 10m

> ArrayScanToUncollectConverter: ResolvedParameter cannot be cast to 
> ResolvedLiteral
> ----------------------------------------------------------------------------------
>
>                 Key: BEAM-9511
>                 URL: https://issues.apache.org/jira/browse/BEAM-9511
>             Project: Beam
>          Issue Type: Bug
>          Components: dsl-sql-zetasql
>            Reporter: Andrew Pilloud
>            Assignee: Andrew Pilloud
>            Priority: Major
>              Labels: zetasql-compliance
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
>  
> {code:java}
> Mar 16, 2020 12:57:42 PM 
> cloud.dataflow.sql.ExecuteQueryServiceServer$SqlComplianceServiceImpl 
> executeQuery
> INFO: Processing Sql statement: SELECT elem FROM UNNEST(@string_arr) AS elem
> Mar 16, 2020 12:57:42 PM 
> com.google.zetasql.io.grpc.internal.SerializingExecutor run
> SEVERE: Exception while executing runnable 
> com.google.zetasql.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@2f5b49be
> java.lang.ClassCastException: 
> com.google.zetasql.resolvedast.ResolvedNodes$ResolvedParameter cannot be cast 
> to com.google.zetasql.resolvedast.ResolvedNodes$ResolvedLiteral
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.translation.ArrayScanToUncollectConverter.convert(ArrayScanToUncollectConverter.java:45)
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.translation.ArrayScanToUncollectConverter.convert(ArrayScanToUncollectConverter.java:31)
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.translation.QueryStatementConverter.convertNode(QueryStatementConverter.java:97)
>       at 
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
>       at java.util.Collections$2.tryAdvance(Collections.java:4717)
>       at java.util.Collections$2.forEachRemaining(Collections.java:4725)
>       at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
>       at 
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
>       at 
> java.util.stream.ReduceOps$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.beam.sdk.extensions.sql.zetasql.translation.QueryStatementConverter.convertNode(QueryStatementConverter.java:96)
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.translation.QueryStatementConverter.convert(QueryStatementConverter.java:84)
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.translation.QueryStatementConverter.convertRootQuery(QueryStatementConverter.java:51)
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.ZetaSQLPlannerImpl.rel(ZetaSQLPlannerImpl.java:160)
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.ZetaSQLQueryPlanner.convertToBeamRelInternal(ZetaSQLQueryPlanner.java:131)
>       at 
> org.apache.beam.sdk.extensions.sql.zetasql.ZetaSQLQueryPlanner.convertToBeamRel(ZetaSQLQueryPlanner.java:115)
>       at 
> cloud.dataflow.sql.ExecuteQueryServiceServer$SqlComplianceServiceImpl.executeQuery(ExecuteQueryServiceServer.java:242)
>       at 
> com.google.zetasql.testing.SqlComplianceServiceGrpc$MethodHandlers.invoke(SqlComplianceServiceGrpc.java:423)
>       at 
> com.google.zetasql.io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171)
>       at 
> com.google.zetasql.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283)
>       at 
> com.google.zetasql.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:711)
>       at 
> com.google.zetasql.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
>       at 
> com.google.zetasql.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at java.lang.Thread.run(Thread.java:748) {code}



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