Paul Rogers created DRILL-7503:
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Summary: Refactor project operator
Key: DRILL-7503
URL: https://issues.apache.org/jira/browse/DRILL-7503
Project: Apache Drill
Issue Type: Improvement
Reporter: Paul Rogers
Assignee: Paul Rogers
Work on another ticket revealed that the Project operator ("record batch") has
grown quite complex. The setup phase lives in the operator as one huge
function. The function combines the "logical" tasks of working out the
projection expressions and types, the code gen for those expressions, and the
physical setup of vectors.
The refactoring breaks up the logic so that it is easier to focus on the
specific bits of interest.
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