[jira] [Created] (KYLIN-5649) When query contains computed columns, fail to guarantee the priority of using the aggregate index to answer the aggregate query

["Zhiting Guo (Jira)" <ji...@apache.org>]

Zhiting Guo created KYLIN-5649:
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             Summary: When query contains computed columns, fail to guarantee the priority of using the aggregate index to answer the aggregate query
                 Key: KYLIN-5649
                 URL: https://issues.apache.org/jira/browse/KYLIN-5649
             Project: Kylin
          Issue Type: Bug
          Components: Query Engine
    Affects Versions: 5.0-alpha
            Reporter: Zhiting Guo
             Fix For: 5.0-alpha
         Attachments: When query contains computed columns, fail to guarantee the priority of using the aggregate index to answer the aggregate query.pdf

After enabling the "kylin.query.use-tableindex-answer-non-raw-query = true" & & "kylin.query.layout.prefer-aggindex = true" parameter, the aggregate query can match the aggregate index and the basic detail index, but the final hit is the basic detail index. What is puzzling is why the aggregate query is answered using the basic detail index?



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