englefly commented on code in PR #34169:
URL: https://github.com/apache/doris/pull/34169#discussion_r1581999179
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/hint/LeadingHint.java:
##########
@@ -124,6 +124,32 @@ public LeadingHint(String hintName, List<String>
parameters, String originalStri
}
lastParameter = parameter;
}
+ normalizeLevelList();
+ }
+
+ private void removeGap(int left, int right, int gap) {
+ for (int i = left; i <= right; i++) {
+ levellist.set(i, levellist.get(i) - (gap - 1));
+ }
+ }
+
+ // when leading extract levellist like 0 2 2 3 3 0, it could be reduced to
0 1 1 2 2 0
Review Comment:
please define what is the “gap”
it is better to copy the example in "Proposed Change" to illustrate the
concept of gap
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