jpountz commented on a change in pull request #1142: SOLR-14166: fq cache=false
should use TwoPhaseIterator
URL: https://github.com/apache/lucene-solr/pull/1142#discussion_r363186801
##########
File path:
solr/contrib/ltr/src/java/org/apache/solr/ltr/feature/SolrFeature.java
##########
@@ -237,21 +237,25 @@ public FeatureScorer scorer(LeafReaderContext context)
throws IOException {
* @return DocIdSetIterator to traverse documents that matched all filter
* criteria
*/
+ // TODO it's not optimal to call getProcessedFilter per-segment! Save the
results into one Query
+ // TODO rename to "FromFilterQueries" suffix to at least suggest this uses
the filter cache
private DocIdSetIterator getDocIdSetIteratorFromQueries(List<Query>
queries,
LeafReaderContext context) throws IOException {
final SolrIndexSearcher.ProcessedFilter pf = ((SolrIndexSearcher)
searcher)
.getProcessedFilter(null, queries);
- final Bits liveDocs = context.reader().getLiveDocs();
-
- DocIdSetIterator idIter = null;
- if (pf.filter != null) {
- final DocIdSet idSet = pf.filter.getDocIdSet(context, liveDocs);
- if (idSet != null) {
- idIter = idSet.iterator();
- }
+ if (pf.postFilter != null) {
+ throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
+ "PostFilter queries are not supported");
}
-
- return idIter;
+ Query q = pf.filter;
+ if (q == null) {
+ q = new MatchAllDocsQuery(); // usually never happens?
+ }
+ Scorer scorer = q.createWeight(searcher, ScoreMode.COMPLETE_NO_SCORES,
1f).scorer(context);
Review comment:
Is it guaranteed that the query is rewritten at this stage?
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