jpountz commented on code in PR #13359:
URL: https://github.com/apache/lucene/pull/13359#discussion_r1609839123
##########
lucene/core/src/java/org/apache/lucene/search/TermQuery.java:
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@@ -150,7 +170,12 @@ public Scorer get(long leadCost) throws IOException {
@Override
public long cost() {
- return docFreq;
+ try {
+ TermsEnum te = getTermsEnum();
Review Comment:
Note that we were already getting a `TermsEnum` to be able to get the cost
before, it just happened before creating the `ScorerSupplier`. So the
additional cost here is the `if (termsEnum != null)` check under
`getTermsEnum()`.
Agreed that it's a pity to pull a terms enum only to get a cost, which is
already encapsulated in the term state. Though I don't expect it to be a major
issue in practice.
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