javanna commented on code in PR #12072:
URL: https://github.com/apache/lucene/pull/12072#discussion_r1067470681
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lucene/core/src/java/org/apache/lucene/search/BooleanQuery.java:
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@@ -203,9 +203,17 @@ BooleanQuery rewriteNoScoring(IndexSearcher indexSearcher)
throws IOException {
for (BooleanClause clause : clauses) {
Query query = clause.getQuery();
- Query rewritten = new ConstantScoreQuery(query).rewrite(indexSearcher);
- if (rewritten instanceof ConstantScoreQuery) {
- rewritten = ((ConstantScoreQuery) rewritten).getQuery();
+ Query rewritten;
+ // If the clause query is a boolean query, we shouldn't call
ConstantScoreQuery#rewrite as
+ // this causes
+ // exponential growth of runtime.
+ if (query instanceof BooleanQuery booleanQuery) {
+ rewritten = booleanQuery.rewriteNoScoring(indexSearcher);
+ } else {
+ rewritten = new ConstantScoreQuery(query).rewrite(indexSearcher);
+ if (rewritten instanceof ConstantScoreQuery constantScoreQuery) {
+ rewritten = constantScoreQuery.getQuery();
+ }
Review Comment:
It seems like what Adrien is suggested removes the need to artificially wrap
which makes me happy :)
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