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https://issues.apache.org/jira/browse/DRILL-4173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15098554#comment-15098554
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Jason Altekruse commented on DRILL-4173:
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[~akumarb2010] Were you able to make any progress on this? We have seen this
issue as well and it would be nice to get a fix into the next release if the
change is straightforward.
> Query did not return all documents if collection using a hashed shard key
> -------------------------------------------------------------------------
>
> Key: DRILL-4173
> URL: https://issues.apache.org/jira/browse/DRILL-4173
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - MongoDB
> Affects Versions: 1.3.0
> Environment: Windows 2012
> Reporter: Yuqing Tang
> Assignee: Jason Altekruse
>
> MongoDB 3.0.6
> If a collection used a hashed shard key ({ "shardkey": "hashed" }), queries
> like "select * from ..." may not return all documents which should be
> returned from the collection.
> Test Case:
> Create 3 mongos, 3 config, 3 replicaset each with 3 mongod.
> Create one collection with hashed shard key.
> Insert 6 documents to this collection with shard key value 1,2,3,4,5,6
> Do a query select * from ....
> Only 2,3,4 will be returned.
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