[jira] [Created] (DRILL-4064) Querying a sharded MongoDB database with multiple document types returns zero rows

["Nathan Griffith (JIRA)" <ji...@apache.org>]

Nathan Griffith created DRILL-4064:
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             Summary: Querying a sharded MongoDB database with multiple document types returns zero rows
                 Key: DRILL-4064
                 URL: https://issues.apache.org/jira/browse/DRILL-4064
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - MongoDB
    Affects Versions: 1.2.0
         Environment: Linux cluster
            Reporter: Nathan Griffith


Querying a sharded MongoDB database with multiple types of documents (i.e. documents with different sets of keys) returns zero rows.

Querying works as intended if the heterogeneous database is either a.) unsharded, or b.) culled to ensure homogeneity.

In my scenario the database's shard key was not hashed, and was set to mongo's "_id" key.



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