jackwener commented on code in PR #17355:
URL: https://github.com/apache/doris/pull/17355#discussion_r1126313946
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/logical/PushdownLimit.java:
##########
@@ -40,24 +39,32 @@
* <p>
* Limit can't be push down if it has a valid offset info.
*/
-public class LimitPushDown implements RewriteRuleFactory {
+public class PushdownLimit implements RewriteRuleFactory {
@Override
public List<Rule> buildRules() {
return ImmutableList.of(
// limit -> join
logicalLimit(logicalJoin(any(),
any())).whenNot(Limit::hasValidOffset)
Review Comment:
```java
f (newJoin == null || limit.child().children().equals(newJoin.children())) {
return null;
}
```
use it
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