[jira] [Created] (KYLIN-1728) Introduce dictionary metadata

[liyang (JIRA)]

liyang created KYLIN-1728:
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             Summary: Introduce dictionary metadata
                 Key: KYLIN-1728
                 URL: https://issues.apache.org/jira/browse/KYLIN-1728
             Project: Kylin
          Issue Type: Improvement
            Reporter: liyang


To allow

- Special dictionary builder for specified column
- Two or more columns to share dictionary



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