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Posted to dev@kylin.apache.org by "yiming.xu (Jira)" <ji...@apache.org> on 2019/10/29 13:51:00 UTC

[jira] [Created] (KYLIN-4214) Distributed query engine

yiming.xu created KYLIN-4214:
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             Summary: Distributed query engine
                 Key: KYLIN-4214
                 URL: https://issues.apache.org/jira/browse/KYLIN-4214
             Project: Kylin
          Issue Type: Sub-task
          Components: Query Engine
            Reporter: yiming.xu


Sql through calcite analysis optimization will generate a tree of OLAP rel,
and spark's catalyst is also generated by parsing SQL after a tree,
automatically optimized to become a dataframe to calculate, if the plan of
calcite can be converted into a spark plan, then we will achieve
distributed computing, calcite is only responsible for parsing SQL and
returning result sets, reducing the pressure on the kylin server side.



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