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From "Victoria Markman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3746) Hive query fails if the table contains external partitions
Date Tue, 29 Sep 2015 16:59:04 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935435#comment-14935435
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Victoria Markman commented on DRILL-3746:
-----------------------------------------

This particular case is verified fixed with 1.2.0

#Mon Sep 28 18:50:37 UTC 2015
git.commit.id.abbrev=c30a268

However, I think we need to create a more tests around external partitions. Will create a
separate task for it.

> Hive query fails if the table contains external partitions
> ----------------------------------------------------------
>
>                 Key: DRILL-3746
>                 URL: https://issues.apache.org/jira/browse/DRILL-3746
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Venki Korukanti
>            Assignee: Venki Korukanti
>              Labels: no_verified_test
>             Fix For: 1.2.0
>
>
> If Hive contains a table which has external partitions, Drill fails in partition pruning
code, which causes the query to fail.
> {code}
> CREATE TABLE external_partition_test (boolean_field BOOLEAN) PARTITIONED BY (boolean_part
BOOLEAN);
> ALTER TABLE external_partition_test ADD PARTITION (boolean_part='true') LOCATION '/some/path';
> ALTER TABLE external_partition_test ADD PARTITION (boolean_part='false') LOCATION '/some/path';
> {code}
> Query:
> {code}
> SELECT * FROM hive.`default`.external_partition_test where boolean_part = false
> {code}
> Exception:
> {code}
> java.lang.StringIndexOutOfBoundsException
> String index out of range: -14
> at java.lang.String.substring(String.java:1875) ~[na:1.7.0_45]
> at org.apache.drill.exec.planner.sql.HivePartitionLocation.<init>(HivePartitionLocation.java:31) ~[classes/:na]
> at org.apache.drill.exec.planner.sql.HivePartitionDescriptor.getPartitions(HivePartitionDescriptor.java:117) ~[classes/:na]
> at org.apache.drill.exec.planner.logical.partition.PruneScanRule.doOnMatch(PruneScanRule.java:185) ~[classes/:na]
> at org.apache.drill.exec.planner.sql.logical.HivePushPartitionFilterIntoScan$2.onMatch(HivePushPartitionFilterIntoScan.java:92) ~[classes/:na]
> at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:228) ~[calcite-core-1.4.0-drill-r0.jar:1.4.0-drill-r0]
> {code}
> Looking at {{HivePartitionLocation}}, it looks like we are depending on the organization
of files on FileSystem to get the partition values. We should get the partition values from
MetaStore.



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