Shaofeng SHI created KYLIN-867:
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Summary: Hybrid model for multiple realizations/cubes
Key: KYLIN-867
URL: https://issues.apache.org/jira/browse/KYLIN-867
Project: Kylin
Issue Type: Improvement
Components: Metadata, Query Engine
Reporter: Shaofeng SHI
Assignee: Shaofeng SHI
Fix For: v0.7.3
Scenario: users have a cube already built with the history data; Now they
create a new cube which adding more dimensions; Due to some reason, user
expects both the history cube and current cube can be scanned to get a full
result set;
A hybrid realization will be introduced, which is composed by multiple cubes,
and these cubes have no overlap/gap on the partition date; Then the hybrid will
delegate the query to all cubes, and then merge the results;
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