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https://issues.apache.org/jira/browse/IMPALA-13505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17894722#comment-17894722
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Jason Fehr commented on IMPALA-13505:
-------------------------------------
The issue happens on this line:
[https://github.com/apache/impala/blob/33631047f804e6ed41644c1294e277fc1e9ba358/fe/src/main/java/org/apache/impala/analysis/Analyzer.java#L4699]
The call to sourceSlotRef.getResolvedPath() returns null.
> NullPointerException in Analyzer.resolveActualPath with Calcite planner
> -----------------------------------------------------------------------
>
> Key: IMPALA-13505
> URL: https://issues.apache.org/jira/browse/IMPALA-13505
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Michael Smith
> Assignee: Jason Fehr
> Priority: Major
> Labels: calcite
>
> Encountered a NullPointerException when running some TPC-DS queries (such as
> q8) with the Calcite planner:
> {code}
> Stack Trace:java.lang.NullPointerException
> at
> org.apache.impala.analysis.Analyzer.lambda$resolveActualPath$18(Analyzer.java:4699)
> at java.util.Collections$2.tryAdvance(Collections.java:4719)
> at java.util.Collections$2.forEachRemaining(Collections.java:4727)
> at
> java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
> at
> org.apache.impala.analysis.Analyzer.resolveActualPath(Analyzer.java:4690)
> at
> org.apache.impala.analysis.Analyzer.lambda$addColumnsTo$17(Analyzer.java:4655)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> org.apache.impala.analysis.Analyzer.addColumnsTo(Analyzer.java:4655)
> at
> org.apache.impala.analysis.Analyzer.addJoinColumns(Analyzer.java:4732)
> at org.apache.impala.planner.JoinNode.init(JoinNode.java:293)
> at org.apache.impala.planner.HashJoinNode.init(HashJoinNode.java:82)
> at
> org.apache.impala.calcite.rel.phys.ImpalaHashJoinNode.<init>(ImpalaHashJoinNode.java:46)
> ...
> {code}
> {{SlotRef.getResolvedPath}} returns null at line 4699. Looking at the
> SlotRef, I don't see any way to determine an origin, so this may be part of
> incomplete implementation of the Calcite planner integration.
> To reproduce
> {code}
> $ start-impala-cluster.py -s 1 --use_calcite_planner=true
> $ impala-py.test
> tests/query_test/test_tpcds_queries.py::TestTpcdsDecimalV2Query::test_tpcds_q8
> {code}
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