seawinde commented on code in PR #50895:
URL: https://github.com/apache/doris/pull/50895#discussion_r2224684179
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/executor/Optimizer.java:
##########
@@ -47,37 +48,45 @@ public void execute() {
// init memo
cascadesContext.toMemo();
// stats derive
- cascadesContext.pushJob(new
DeriveStatsJob(cascadesContext.getMemo().getRoot().getLogicalExpression(),
- cascadesContext.getCurrentJobContext()));
+
cascadesContext.getMemo().getRoot().getLogicalExpressions().forEach(groupExpression
->
+ cascadesContext.pushJob(new DeriveStatsJob(groupExpression,
cascadesContext.getCurrentJobContext())));
cascadesContext.getJobScheduler().executeJobPool(cascadesContext);
+ if (cascadesContext.getStatementContext().isDpHyp() ||
isDpHyp(cascadesContext)) {
Review Comment:
this is for performance, because when pre rewrite, would set isDpHyp in
statement context, if not set then call `isDpHyp(cascadesContext)
`,`isDpHyp(cascadesContext) ` would visit plan
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