Costin Leau 7790cb5fa9
SQL: Reduce number of ranges generated for comparisons (#30267)
* SQL: Reduce number of ranges generated for comparisons

Rewrote optimization rule for combining ranges by improving the
detection of binary comparisons in a tree to better combine
them in a range, regardless of their place inside an expression.
Additionally, improve the comparisons of Numbers of different types
Also, improve reassembly of conjunction/disjunction into balanced
trees.
Do not promote BinaryComparisons to Ranges since it introduces NULL
boundaries and thus a corner-case that needs too much handling
Compare BinaryComparisons directly between themselves and to Ranges

Fix #30017
2018-05-02 19:35:01 +03:00
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