Eric Liang created SPARK-17983:

             Summary: Can't filter over mixed case parquet columns of converted 
Hive tables
                 Key: SPARK-17983
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.1.0
            Reporter: Eric Liang
            Priority: Critical

We should probably revive in order 
to fix this issue and related classes of issues.

The only other alternatives are (1) reconciling on-disk schemas with metastore 
schema at planning time, which seems pretty messy, and (2) fixing all the 
datasources to support case-insensitive matching, which also has issues.

cc [~cloud_fan]

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