[BEAM-9521] NullPointerException in convertRexNodeFromResolvedExpr

• Type: Bug
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.22.0
• Component/s: dsl-sql-zetasql
• Labels: Done zetasql-compliance
• Assignee: Andrew Pilloud
• Reporter: Andrew Pilloud
• Created: 16/Mar/20 20:38
• Updated: 16/May/20 14:16
• Resolved: 18/Mar/20 22:29

Description

Mar 16, 2020 12:57:10 PM cloud.dataflow.sql.ExecuteQueryServiceServer$SqlComplianceServiceImpl executeQuery
INFO: Processing Sql statement: SELECT (SELECT AS STRUCT
        (SELECT AS STRUCT l.float_val lf, r.float_val rf),
        l.float_val = r.float_val),
       (SELECT AS STRUCT
        (SELECT AS STRUCT l.double_val ld, r.double_val rd),
        l.double_val = r.double_val)
FROM TestTableZero l, TestTableZero r
WHERE l.row_id > r.row_id
Mar 16, 2020 12:57:10 PM com.google.zetasql.io.grpc.internal.SerializingExecutor run
SEVERE: Exception while executing runnable com.google.zetasql.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@710f8c0d
java.lang.NullPointerException
	at org.apache.beam.sdk.extensions.sql.zetasql.translation.ExpressionConverter.convertRexNodeFromResolvedExpr(ExpressionConverter.java:301)
	at org.apache.beam.sdk.extensions.sql.zetasql.translation.JoinScanConverter.convert(JoinScanConverter.java:83)
	at org.apache.beam.sdk.extensions.sql.zetasql.translation.JoinScanConverter.convert(JoinScanConverter.java:36)
	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 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)