Enable/Add type-specific compression for rcfile
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Key: HIVE-2600
URL: https://issues.apache.org/jira/browse/HIVE-2600
Project: Hive
Issue Type: Sub-task
Components: Query Processor, Serializers/Deserializers
Reporter: Krishna Kumar
Assignee: Krishna Kumar
Priority: Minor
Enable schema-aware compression codecs which can perform type-specific
compression on a per-column basis. I see this as in three-parts
1. Add interfaces for the rcfile to communicate column information to the codec
2. Add an "uber compressor" which can perform column-specific compression on a
per-block basis. Initially, this can be config driven, but we can go for a
dynamic implementation later.
3. A bunch of type-specific compressors
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