chenhao7253886 commented on a change in pull request #531: Add cpu and io
indicates to audit log
URL: https://github.com/apache/incubator-doris/pull/531#discussion_r247478037
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File path: fe/src/main/java/org/apache/doris/planner/Planner.java
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@@ -230,4 +234,38 @@ private PlanNode addUnassignedConjuncts(Analyzer
analyzer, PlanNode root)
Preconditions.checkState(selectNode.hasValidStats());
return selectNode;
}
+
+ private static class QueryStatisticTransferOptimizer {
+ private final PlanFragment root;
+
+ public QueryStatisticTransferOptimizer(PlanFragment root) {
+ Preconditions.checkNotNull(root);
+ this.root = root;
+ }
+
+ public void optimizeTransferQueryStatistic() {
+ optimizeTransferQueryStatistic(root, null);
+ }
+
+ private void optimizeTransferQueryStatistic(PlanFragment fragment,
PlanFragment parent) {
+ if (parent != null && hasLimit(parent.getPlanRoot())) {
+ fragment.setTransferQueryStatisticWithEveryBatch(true);
+ }
+ for (PlanFragment child : fragment.getChildren()) {
+ optimizeTransferQueryStatistic(child, fragment);
+ }
+ }
+
+ private boolean hasLimit(PlanNode planNode) {
Review comment:
it should judge limit by it's immediate parent. i will fix it.
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