presto-main/src/main/java/io/prestosql/sql/planner/iterative/rule/RemoveDuplicateConditions.java/Visitor/rewriteLogicalBinaryExpression
class Visitor:        @Override
        public Expression rewriteLogicalBinaryExpression(LogicalBinaryExpression node, Void context, ExpressionTreeRewriter<Void> treeRewriter)
        {
            return combinePredicates(metadata, node.getOperator(), extractPredicates(node));
        }