924060929 commented on code in PR #10659:
URL: https://github.com/apache/doris/pull/10659#discussion_r915441815
##########
fe/fe-core/src/test/java/org/apache/doris/nereids/AnalyzeSSBTest.java:
##########
@@ -161,10 +161,7 @@ private void executeRewriteBottomUpJob(PlannerContext
plannerContext, RuleFactor
}
private boolean checkBound(LogicalPlan root) {
- if (!checkPlanBound(root)) {
- return false;
- }
- return true;
+ return checkPlanBound(root);
Review Comment:
I think we can remove checkBound or checkPlanBound function
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/TreeNode.java:
##########
@@ -91,4 +91,22 @@ default <T> T collect(Predicate<TreeNode<NODE_TYPE>>
predicate) {
return (T) result.build();
}
+ /**
+ * Test whether this tree satisfied predicate.
+ *
+ * @param predicate test condition
+ * @return true if satisfied
+ */
+ default boolean contains(Predicate<TreeNode<NODE_TYPE>> predicate) {
Review Comment:
contains function repeated with anyMatch function
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Add.java:
##########
@@ -57,6 +57,6 @@ public <R, C> R accept(ExpressionVisitor<R, C> visitor, C
context) {
public String toString() {
- return sql();
+ return left().toString() + ' ' + getArithmeticOperator().toString() +
' ' + right().sql();
Review Comment:
why left use toString(), but right use sql()
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/Sum.java:
##########
@@ -51,7 +51,7 @@ public DataType getDataType() {
@Override
public boolean nullable() {
- return false;
+ return child().nullable();
Review Comment:
sum aggregate function can return null value?
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