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https://issues.apache.org/jira/browse/BEAM-9515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17548507#comment-17548507
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Danny McCormick commented on BEAM-9515:
---------------------------------------
This issue has been migrated to https://github.com/apache/beam/issues/20139
> ArrayScanToUncollectConverter Unnest does not support sub-queries
> -----------------------------------------------------------------
>
> Key: BEAM-9515
> URL: https://issues.apache.org/jira/browse/BEAM-9515
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql-zetasql
> Reporter: Andrew Pilloud
> Priority: P3
>
> {code:java}
> Mar 16, 2020 1:00:02 PM
> cloud.dataflow.sql.ExecuteQueryServiceServer$SqlComplianceServiceImpl
> executeQuery
> INFO: Processing Sql statement: SELECT * FROM UNNEST(ARRAY(
> SELECT bool_val FROM AllTypesTable t
> ORDER BY bool_val ASC
> )) x WITH OFFSET POS
> Mar 16, 2020 1:00:02 PM
> com.google.zetasql.io.grpc.internal.SerializingExecutor run
> SEVERE: Exception while executing runnable
> com.google.zetasql.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@7b42f9e7
> java.lang.ClassCastException:
> com.google.zetasql.resolvedast.ResolvedNodes$ResolvedSubqueryExpr 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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