xiangfu0 commented on code in PR #10254:
URL: https://github.com/apache/pinot/pull/10254#discussion_r1102084852
##########
pinot-core/src/main/java/org/apache/pinot/core/operator/filter/predicate/PredicateUtils.java:
##########
@@ -139,10 +143,40 @@ public static IntSet getDictIdSet(BaseInPredicate
inPredicate, Dictionary dictio
}
break;
case STRING:
- for (String value : values) {
- int dictId = dictionary.indexOf(value);
- if (dictId >= 0) {
- dictIdSet.add(dictId);
+ if (values.size() >
RequestContextUtils.THRESHOLD_OF_LARGE_IN_CLAUSE_VALUES) {
Review Comment:
Yes, need more benchmark around this number.
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