Tobias created DRILL-4517:
-----------------------------
Summary: 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
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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