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(index) Short-circuit rankResults when there are no results

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This commit is contained in:
Viktor Lofgren 2024-10-14 13:47:35 +02:00
parent 89f7f3c17c
commit 6460c11107
2 changed files with 6 additions and 1 deletions
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3
code/index/java/nu/marginalia/index/results/IndexResultRankingService.java
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@ -54,6 +54,9 @@ public class IndexResultRankingService {
ResultRankingContext rankingContext, ResultRankingContext rankingContext,
CombinedDocIdList resultIds) CombinedDocIdList resultIds)
{ {
if (resultIds.isEmpty())
return List.of();
IndexResultScoreCalculator resultRanker = new IndexResultScoreCalculator(statefulIndex, rankingContext, params); IndexResultScoreCalculator resultRanker = new IndexResultScoreCalculator(statefulIndex, rankingContext, params);
List<SearchResultItem> results = new ArrayList<>(resultIds.size()); List<SearchResultItem> results = new ArrayList<>(resultIds.size());

4
code/index/java/nu/marginalia/index/results/model/ids/CombinedDocIdList.java
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@ -1,7 +1,6 @@
package nu.marginalia.index.results.model.ids; package nu.marginalia.index.results.model.ids;
import it.unimi.dsi.fastutil.longs.LongArrayList; import it.unimi.dsi.fastutil.longs.LongArrayList;
import it.unimi.dsi.fastutil.longs.LongIterators;
import org.roaringbitmap.longlong.Roaring64Bitmap; import org.roaringbitmap.longlong.Roaring64Bitmap;
import java.util.Arrays; import java.util.Arrays;
@ -32,6 +31,9 @@ public final class CombinedDocIdList {
public int size() { public int size() {
return data.length; return data.length;
} }
public boolean isEmpty() {
return data.length == 0;
}
public long at(int i) { return data[i]; } public long at(int i) { return data[i]; }
public LongStream stream() { public LongStream stream() {