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https://issues.apache.org/jira/browse/DRILL-4517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Pritesh Maker reassigned DRILL-4517:
------------------------------------
Assignee: salim achouche
> Reading emtpy Parquet file failes with java.lang.IllegalArgumentException
> -------------------------------------------------------------------------
>
> Key: DRILL-4517
> URL: https://issues.apache.org/jira/browse/DRILL-4517
> Project: Apache Drill
> Issue Type: Bug
> Components: Server
> Reporter: Tobias
> Assignee: salim achouche
> Priority: Major
> Attachments: empty.parquet, no_rows.parquet
>
>
> When querying a Parquet file that has a schema but no rows the Drill Server
> will fail with the below
> This looks similar to DRILL-3557
> {noformat}
> {{ParquetMetaData{FileMetaData{schema: message TRANSACTION_REPORT {
> required int64 MEMBER_ACCOUNT_ID;
> required int64 TIMESTAMP_IN_HOUR;
> optional int64 APPLICATION_ID;
> }
> , metadata: {}}}, blocks: []}
> {noformat}
> {noformat}
> Caused by: java.lang.IllegalArgumentException: MinorFragmentId 0 has no read
> entries assigned
> at
> com.google.common.base.Preconditions.checkArgument(Preconditions.java:92)
> ~[guava-14.0.1.jar:na]
> at
> org.apache.drill.exec.store.parquet.ParquetGroupScan.getSpecificScan(ParquetGroupScan.java:707)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.store.parquet.ParquetGroupScan.getSpecificScan(ParquetGroupScan.java:105)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.Materializer.visitGroupScan(Materializer.java:68)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.Materializer.visitGroupScan(Materializer.java:35)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.physical.base.AbstractGroupScan.accept(AbstractGroupScan.java:60)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.Materializer.visitOp(Materializer.java:102)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.Materializer.visitOp(Materializer.java:35)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.physical.base.AbstractPhysicalVisitor.visitProject(AbstractPhysicalVisitor.java:77)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.physical.config.Project.accept(Project.java:51)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.Materializer.visitStore(Materializer.java:82)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.Materializer.visitStore(Materializer.java:35)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.physical.base.AbstractPhysicalVisitor.visitScreen(AbstractPhysicalVisitor.java:195)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.physical.config.Screen.accept(Screen.java:97)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.SimpleParallelizer.generateWorkUnit(SimpleParallelizer.java:355)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.planner.fragment.SimpleParallelizer.getFragments(SimpleParallelizer.java:134)
> ~[drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.work.foreman.Foreman.getQueryWorkUnit(Foreman.java:518)
> [drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.work.foreman.Foreman.runPhysicalPlan(Foreman.java:405)
> [drill-java-exec-1.5.0.jar:1.5.0]
> at
> org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:926)
> [drill-java-exec-1.5.0.jar:1.5.0]
> {noformat}
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