[HIVE-6411] Support more generic way of using composite key for HBaseHandler

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: HBase Handler
• Release Note: The new feature needs to be documented at Hive-HBase integration page.
• Assignee: Navis Ryu
• Reporter: Navis Ryu
• Created: 12/Feb/14 05:27
• Updated: 11/Oct/15 07:22
• Resolved: 13/May/14 18:26

Description

HIVE-2599 introduced using custom object for the row key. But it forces key objects to extend HBaseCompositeKey, which is again extension of LazyStruct. If user provides proper Object and OI, we can replace internal key and keyOI with those.

Initial implementation is based on factory interface.

public interface HBaseKeyFactory {
  void init(SerDeParameters parameters, Properties properties) throws SerDeException;
  ObjectInspector createObjectInspector(TypeInfo type) throws SerDeException;
  LazyObjectBase createObject(ObjectInspector inspector) throws SerDeException;
}

Issue Links

• is related to: HBASE-10091 Exposing HBase DataTypes to non-Java interfaces
• is related to: HIVE-6290 Add support for hbase filters for composite keys
• is related to: HIVE-11609 Capability to add a filter to hbase scan via composite key doesn't work
• is related to: HIVE-2599 Support Composit/Compound Keys with HBaseStorageHandler
• is related to: HIVE-7048 CompositeKeyHBaseFactory should not use FamilyFilter
• is related to: HIVE-3684 Add support for filter pushdown for composite keys
• requires: HIVE-6677 HBaseSerDe needs to be refactored
• supercedes: HIVE-7048 CompositeKeyHBaseFactory should not use FamilyFilter
• links to: review board