Zoltan Haindrich created CALCITE-2886:
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             Summary: Simplification of AND expressions should push negations 
earlier
                 Key: CALCITE-2886
                 URL: https://issues.apache.org/jira/browse/CALCITE-2886
             Project: Calcite
          Issue Type: Improvement
            Reporter: Zoltan Haindrich
            Assignee: Zoltan Haindrich


* currently simplification decomposes the AND operands
* simplifies all operands
* runs main simplification
* (re) simplifies all operands which are negated

Idea is to make the recursion as a first step; which could also push negation 
further down; and skip the simplification at end completely - as its not 
connected to a structural change.



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