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Posted to issues@drill.apache.org by "Yuqing Tang (JIRA)" <ji...@apache.org> on 2015/12/08 17:13:10 UTC

[jira] [Created] (DRILL-4173) Query did not return all documents if collection using a hashed shard key

Yuqing Tang created DRILL-4173:
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             Summary: 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


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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