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Posted to issues@drill.apache.org by "Aditya Kishore (JIRA)" <ji...@apache.org> on 2014/09/18 07:19:33 UTC
[jira] [Commented] (DRILL-1433) Where query on HBase store fails
when row_key doesn't exist in HBase
[ https://issues.apache.org/jira/browse/DRILL-1433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138520#comment-14138520 ]
Aditya Kishore commented on DRILL-1433:
---------------------------------------
For the second diff block, wouldn't this be sufficient?
{code}
@@ -85,8 +85,10 @@ public class TableStatsCalculator {
numColumnsSum += row.size();
rowSizeSum += row.getBytes().getLength();
}
- avgRowSizeInBytes = rowSizeSum/rowCount;
- colsPerRow = numColumnsSum/rowCount;
+ if (rowCount > 0) {
+ avgRowSizeInBytes = rowSizeSum/rowCount;
+ colsPerRow = numColumnsSum/rowCount;
+ }
scanner.close();
}
{code}
> Where query on HBase store fails when row_key doesn't exist in HBase
> --------------------------------------------------------------------
>
> Key: DRILL-1433
> URL: https://issues.apache.org/jira/browse/DRILL-1433
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - HBase
> Affects Versions: 0.6.0
> Reporter: Bhallamudi Venkata Siva Kamesh
> Attachments: 0001-Fixing-HBase-store-when-row_key-doesn-t-exist-in-HBa.patch
>
>
> Give any query on hbase using where clause. If the queried row_key does not exist on HBase,
> query fails with the following exception
> {noformat}
> java.lang.ArithmeticException: / by zero
> at org.apache.drill.exec.store.hbase.TableStatsCalculator.<init>(TableStatsCalculator.java:88) ~[drill-storage-hbase-0.6.0-incubating-SNAPSHOT.jar:0.6.0-incubating-SNAPSHOT]
> at org.apache.drill.exec.store.hbase.HBaseGroupScan.init(HBaseGroupScan.java:150) ~[drill-storage-hbase-0.6.0-incubating-SNAPSHOT.jar:0.6.0-incubating-SNAPSHOT]
> at org.apache.drill.exec.store.hbase.HBaseGroupScan.<init>(HBaseGroupScan.java:116) ~[drill-storage-hbase-0.6.0-incubating-SNAPSHOT.jar:0.6.0-incubating-SNAPSHOT]
> at org.apache.drill.exec.store.hbase.HBaseStoragePlugin.getPhysicalScan(HBaseStoragePlugin.java:65) ~[drill-storage-hbase-0.6.0-incubating-SNAPSHOT.jar:0.6.0-incubating-SNAPSHOT]
> at org.apache.drill.exec.store.hbase.HBaseStoragePlugin.getPhysicalScan(HBaseStoragePlugin.java:35) ~[drill-storage-hbase-0.6.0-incubating-SNAPSHOT.jar:0.6.0-incubating-SNAPSHOT]
> at org.apache.drill.exec.planner.logical.DrillTable.getGroupScan(DrillTable.java:53) ~[drill-java-exec-0.6.0-incubating-SNAPSHOT-rebuffed.jar:0.6.0-incubating-SNAPSHOT]
> {noformat}
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