[GitHub] [doris] Kikyou1997 commented on a diff in pull request #16114: [ehancement](nereids) Enhancement for limit clause.

[GitBox <gi...@apache.org>]

Kikyou1997 commented on code in PR #16114:
URL: https://github.com/apache/doris/pull/16114#discussion_r1082178305


##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/logical/MergeLimits.java:
##########
@@ -43,11 +42,11 @@
 public class MergeLimits extends OneRewriteRuleFactory {
     @Override
     public Rule build() {
-        return logicalLimit(logicalLimit()).whenNot(Limit::hasValidOffset).then(upperLimit -> {
+        return logicalLimit(logicalLimit()).then(upperLimit -> {
             LogicalLimit<? extends Plan> bottomLimit = upperLimit.child();
             return new LogicalLimit<>(
                     Math.min(upperLimit.getLimit(), bottomLimit.getLimit()),
-                    bottomLimit.getOffset(),
+                    bottomLimit.getOffset() + upperLimit.getOffset(),
                     bottomLimit.child()

Review Comment:
   Thanks for your kind reminder



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