jiatao.tao created KYLIN-2681:
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Summary: Convert input sql's expression to computed column if
computed colum defined
Key: KYLIN-2681
URL: https://issues.apache.org/jira/browse/KYLIN-2681
Project: Kylin
Issue Type: Improvement
Components: Query Engine
Affects Versions: v2.0.0
Reporter: jiatao.tao
Assignee: liyang
Priority: Minor
Fix For: Future
convert user's input sql's expression to computed column if computed column
already defined.For example :
*define computed column:*
cc1:a*b+c
*user's input sql*
select t1.a*t1.b+t1.c from table1 t1
and then will be tranformed to:
select t1.cc1 from table1 t1
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