Jacky Li created CARBONDATA-307:
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             Summary: Support full functionality in CarbonInputFormat
                 Key: CARBONDATA-307
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-307
             Project: CarbonData
          Issue Type: Improvement
          Components: spark-integration
    Affects Versions: 0.1.0-incubating
            Reporter: Jacky Li
             Fix For: 0.2.0-incubating


Currently, there are two read path in carbon-spark module: 
1. CarbonContext => CarbonDatasourceRelation => CarbonScanRDD => QueryExecutor
In this case, CarbonScanRDD uses CarbonInputFormat to get the split, and use 
QueryExecutor for scan.

2. SqlContext => CarbonDatasourceHadoopRelation => CarbonHadoopFSRDD => 
CarbonRecordReader
In this case, CarbonHadoopFSRDD uses CarbonInputFormat to do both get split and 
scan

It create unnecessary duplicate code, they need to be unified.




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