Method not

core/src/main/java/org/apache/calcite/rex/RexSimplify.java:349–351

Applies NOT to an expression.

(RexNode e)

  /** Applies NOT to an expression. */
  RexNode not(RexNode e) {
    return RexUtil.not(rexBuilder, e);
  }

  /** Applies IS NOT FALSE to an expression. */
  RexNode isNotFalse(RexNode e) {