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https://issues.apache.org/jira/browse/HIVE-3419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13445818#comment-13445818
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rohithsharma commented on HIVE-3419:
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I think it looks like problem with datanuclues.I found another issue HIVE-2609
with same cause for the problem.
> drop partition does not work for non-equality oprator.
> ------------------------------------------------------
>
> Key: HIVE-3419
> URL: https://issues.apache.org/jira/browse/HIVE-3419
> Project: Hive
> Issue Type: Bug
> Components: Metastore, Query Processor
> Affects Versions: 0.10.0, 0.9.1
> Environment: Hive -0.9.1
> postgres-9.0.7 as metastore.
> Reporter: rohithsharma
>
> Drop partition query failes when below query is executed with postgres as
> metastore.Whereas when derby is used, drop partition query is pased.
> create table ptestfilter (a string, b int) partitioned by (c string);
> alter table ptestfilter1 add partition (c='1');
> alter table ptestfilter1 add partition (c='2');
> "alter table ptestfilter1 drop partition (c!='2');"--> failed
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