txwei commented on code in PR #16801:
URL: https://github.com/apache/lucene/pull/16801#discussion_r4300799137
##########
lucene/core/src/java/org/apache/lucene/search/MultiTermQuery.java:
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@@ -317,6 +317,14 @@ public long getTermsCount() {
return -1;
}
+ /**
+ * Return an upper-bound on the number of documents matched by this query.
If not known,
+ * terms.getSumDocFreq() will be returned.
+ */
+ public long estimateCost(Terms terms) throws IOException {
Review Comment:
Is there a reason why this doesn't copy the existing static helper with the
two branches? That way we would be able to reduce some duplicated code.
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