XieJiann commented on code in PR #14485:
URL: https://github.com/apache/doris/pull/14485#discussion_r1031010394
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/memo/Group.java:
##########
@@ -48,12 +49,11 @@ public class Group {
private final List<GroupExpression> logicalExpressions =
Lists.newArrayList();
private final List<GroupExpression> physicalExpressions =
Lists.newArrayList();
- private LogicalProperties logicalProperties;
-
// Map of cost lower bounds
// Map required plan props to cost lower bound of corresponding plan
private final Map<PhysicalProperties, Pair<Double, GroupExpression>>
lowestCostPlans = Maps.newHashMap();
-
+ private LogicalProperties logicalProperties;
+ private double costLowerBound = -1;
Review Comment:
done
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/memo/GroupExpression.java:
##########
@@ -105,6 +104,14 @@ public Group child(int i) {
return children.get(i);
}
+ public void setChild(int i, Group group) {
+ children.set(i, group);
Review Comment:
done
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/memo/GroupExpression.java:
##########
@@ -105,6 +104,14 @@ public Group child(int i) {
return children.get(i);
}
+ public void setChild(int i, Group group) {
+ children.set(i, group);
+ }
+
+ public int childrenSize() {
+ return children.size();
+ }
+
Review Comment:
done
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