izveigor commented on code in PR #5516:
URL: https://github.com/apache/arrow-datafusion/pull/5516#discussion_r1129968496
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datafusion/optimizer/src/simplify_expressions/utils.rs:
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@@ -311,6 +311,38 @@ pub fn negate_clause(expr: Expr) -> Expr {
}
}
+/// bitwise negate a Negative clause
+/// input is the clause to be bitwise negated.(args for Negative clause)
+/// For BinaryExpr:
+/// ~(A & B) ===> ~A | ~B
+/// ~(A | B) ===> ~A & ~B
+/// ~(~A) ===> A
+/// For others, use Negative clause
+pub fn negative_clause(expr: Expr) -> Expr {
Review Comment:
I think, it deserves a better name.
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