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From "Zheng Shao (JIRA)" <>
Subject [jira] Created: (HIVE-1133) Refactor InputFormat and OutputFormat for Hive
Date Fri, 05 Feb 2010 05:38:29 GMT
Refactor InputFormat and OutputFormat for Hive

                 Key: HIVE-1133
             Project: Hadoop Hive
          Issue Type: Improvement
    Affects Versions: 0.6.0
            Reporter: Zheng Shao

Currently we ran into several problems of the FileInputFormat/OutputFormat in Hive.

The requirements are:
R1. We want to support HBase: HIVE-806
R2. We want to selectively include files based on file names: HIVE-951
R3. We want to optionally choose to recurse on the directory structure: HIVE-108
R4. We want to pass the filter condition into the storage (very useful for HBase, and indexed
data format)
R5. We want to pass the column selection information into the storage (already done as part
of the RCFile, but we can do it better)

We need to structure these requirements and the code structure in a good way to make it extensible.

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