morrySnow commented on code in PR #12008:
URL: https://github.com/apache/doris/pull/12008#discussion_r952988304
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/cascades/CostAndEnforcerJob.java:
##########
@@ -55,12 +58,9 @@ public class CostAndEnforcerJob extends Job implements
Cloneable {
private List<GroupExpression> childrenBestGroupExprList;
private final List<PhysicalProperties> childrenOutputProperty =
Lists.newArrayList();
- // Current stage of enumeration through child groups
private int curChildIndex = -1;
- // Indicator of last child group that we waited for optimization
Review Comment:
why remove these comments
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/cascades/CostAndEnforcerJob.java:
##########
@@ -99,22 +99,26 @@ public CostAndEnforcerJob(GroupExpression groupExpression,
JobContext context) {
public void execute() {
// Do init logic of root plan/groupExpr of `subplan`, only run once
per task.
if (curChildIndex == -1) {
- curTotalCost = 0;
-
- // Get property from groupExpression plan (it's root of subplan).
- RequestPropertyDeriver requestPropertyDeriver = new
RequestPropertyDeriver(context);
- requestChildrenPropertyList =
requestPropertyDeriver.getRequestChildrenPropertyList(groupExpression);
-
+ curNodeCost = 0;
+ curTreeCost = 0;
curChildIndex = 0;
+ // List<request property to children>
+ // [ child item: [leftProperties, rightPropertie]]
+ // like :[ [Properties {"", ANY}, Properties {"", BROADCAST}],
+ // [Properties {"", SHUFFLE_JOIN}, Properties {"",
SHUFFLE_JOIN}] ]
+ requestChildrenPropertyList = (new RequestPropertyDeriver(context))
Review Comment:
i like the old code style 😂
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