dsmiley commented on a change in pull request #1381: SOLR-14364: LTR
SolrFeature fq improvements
URL: https://github.com/apache/lucene-solr/pull/1381#discussion_r399444698
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File path:
solr/core/src/java/org/apache/solr/search/grouping/CommandHandler.java
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@@ -228,12 +226,8 @@ private void searchWithTimeLimiter(Query query,
collector = MultiCollector.wrap(collector, hitCountCollector);
}
- if (filter.filter != null) {
- query = new BooleanQuery.Builder()
- .add(query, Occur.MUST)
- .add(filter.filter, Occur.FILTER)
- .build();
- }
+ query = QueryUtils.combineQueryAndFilter(query, filter.filter);
Review comment:
If the parsed query is null (e.g. was stopwords or something), then the end
effect is matching nothing. You can see this in the former logic by seeing
solrQueryWeight getting set to null. In the new logic, this is done via
setting query to MatchNoDocsQuery, and thus "query" variable is non-null.
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