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https://issues.apache.org/jira/browse/BEAM-10847?focusedWorklogId=477443&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-477443
]
ASF GitHub Bot logged work on BEAM-10847:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Sep/20 20:16
Start Date: 01/Sep/20 20:16
Worklog Time Spent: 10m
Work Description: robinyqiu commented on pull request #12751:
URL: https://github.com/apache/beam/pull/12751#issuecomment-685107191
Done. Thanks for the review!
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Issue Time Tracking
-------------------
Worklog Id: (was: 477443)
Remaining Estimate: 0h
Time Spent: 10m
> NPE in BeamUnnestRel
> --------------------
>
> Key: BEAM-10847
> URL: https://issues.apache.org/jira/browse/BEAM-10847
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql-zetasql
> Reporter: Robin Qiu
> Assignee: Robin Qiu
> Priority: P2
> Time Spent: 10m
> Remaining Estimate: 0h
>
> I run `SELECT id, n FROM my_dataset.my_table, UNNEST(arr) AS n` on
> DataflowSQL where my_table has an INT64 field id and ARRAY<INT64> field arr.
> I encountered an NullPointerException:
> java.lang.NullPointerException
> at
> org.apache.beam.sdk.extensions.sql.impl.utils.CalciteUtils.toSchema
> (CalciteUtils.java:186)
> at
> org.apache.beam.sdk.extensions.sql.impl.rel.BeamUnnestRel$Transform.expand
> (BeamUnnestRel.java:111)
> at
> org.apache.beam.sdk.extensions.sql.impl.rel.BeamUnnestRel$Transform.expand
> (BeamUnnestRel.java:105)
> at
> org.apache.beam.sdk.Pipeline.applyInternal (Pipeline.java:542)
> at
> org.apache.beam.sdk.Pipeline.applyTransform (Pipeline.java:493)
> at
> org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils.toPCollection
> (BeamSqlRelUtils.java:69)
> at
> org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils.lambda$buildPCollectionList$0
> (BeamSqlRelUtils.java:50)
> at
> java.util.stream.ReferencePipeline$3$1.accept (ReferencePipeline.java:193)
> at
> java.util.Iterator.forEachRemaining (Iterator.java:116)
> at
> java.util.Spliterators$IteratorSpliterator.forEachRemaining
> (Spliterators.java:1801)
> 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.impl.rel.BeamSqlRelUtils.buildPCollectionList
> (BeamSqlRelUtils.java:51)
> at
> org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils.toPCollection
> (BeamSqlRelUtils.java:67)
> at
> org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils.toPCollection
> (BeamSqlRelUtils.java:39)
> at
> org.apache.beam.sdk.extensions.sql.SqlTransform.expand (SqlTransform.java:134)
> at
> org.apache.beam.sdk.extensions.sql.SqlTransform.expand (SqlTransform.java:86)
> at
> org.apache.beam.sdk.Pipeline.applyInternal (Pipeline.java:542)
> at
> org.apache.beam.sdk.Pipeline.applyTransform (Pipeline.java:493)
> at
> org.apache.beam.sdk.values.PBegin.apply (PBegin.java:56)
> at
> org.apache.beam.sdk.Pipeline.apply (Pipeline.java:186)
> at
> com.google.cloud.dataflow.sqllauncher.DataflowSqlLauncher.buildPipelineOrThrow
> (DataflowSqlLauncher.java:178)
> at
> com.google.cloud.dataflow.sqllauncher.DataflowSqlLauncher.buildPipeline
> (DataflowSqlLauncher.java:114)
> at
> com.google.cloud.dataflow.sqllauncher.DataflowSqlLauncher.buildAndRunPipeline
> (DataflowSqlLauncher.java:105)
> at
> com.google.cloud.dataflow.sqllauncher.DataflowSqlLauncher.main
> (DataflowSqlLauncher.java:73)
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