[
https://issues.apache.org/jira/browse/ASTERIXDB-1671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yingyi Bu closed ASTERIXDB-1671.
--------------------------------
Resolution: Fixed
Fixed with regression tests.
> Order by + Limit 0 results in NPE
> ---------------------------------
>
> Key: ASTERIXDB-1671
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1671
> Project: Apache AsterixDB
> Issue Type: Bug
> Reporter: Yingyi Bu
> Assignee: Yingyi Bu
>
> query:
> {noformat}
> select * from Metadata.`Dataset` order by DatasetName limit 0;
> {noformat}
> stack trace:
> {noformat}
> Caused by: java.lang.NullPointerException
> at
> org.apache.hyracks.dataflow.std.sort.TupleSorterHeapSort$HeapEntry.reset(TupleSorterHeapSort.java:102)
> ~[hyracks-dataflow-std-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.dataflow.std.sort.TupleSorterHeapSort$HeapEntry.reset(TupleSorterHeapSort.java:57)
> ~[hyracks-dataflow-std-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.dataflow.std.structures.MaxHeap.peekMax(MaxHeap.java:58)
> ~[hyracks-dataflow-std-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.dataflow.std.sort.TupleSorterHeapSort.insertTuple(TupleSorterHeapSort.java:159)
> ~[hyracks-dataflow-std-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.dataflow.std.sort.HybridTopKSortRunGenerator.nextFrame(HybridTopKSortRunGenerator.java:74)
> ~[hyracks-dataflow-std-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.dataflow.std.sort.AbstractSorterOperatorDescriptor$SortActivity$1.nextFrame(AbstractSorterOperatorDescriptor.java:125)
> ~[hyracks-dataflow-std-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:92)
> ~[hyracks-dataflow-common-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:63)
> ~[algebricks-runtime-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushIfNotFailed(AbstractOneInputOneOutputOneFramePushRuntime.java:69)
> ~[algebricks-runtime-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:55)
> ~[algebricks-runtime-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor$2.close(AlgebricksMetaOperatorDescriptor.java:153)
> ~[algebricks-runtime-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable.close(IndexSearchOperatorNodePushable.java:230)
> ~[hyracks-storage-am-common-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.algebricks.runtime.operators.std.EmptyTupleSourceRuntimeFactory$1.close(EmptyTupleSourceRuntimeFactory.java:60)
> ~[algebricks-runtime-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor$1.initialize(AlgebricksMetaOperatorDescriptor.java:116)
> ~[algebricks-runtime-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.lambda$initialize$0(SuperActivityOperatorNodePushable.java:83)
> ~[hyracks-api-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$$Lambda$10/1701417721.runAction(Unknown
> Source) ~[?:?]
> at
> org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:205)
> ~[hyracks-api-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> at
> org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:202)
> ~[hyracks-api-0.2.18-SNAPSHOT.jar:0.2.18-SNAPSHOT]
> {noformat}
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