gaobinlong commented on code in PR #15574:
URL: https://github.com/apache/lucene/pull/15574#discussion_r3333197496
##########
lucene/grouping/src/test/org/apache/lucene/search/grouping/TestGrouping.java:
##########
@@ -1471,38 +1589,24 @@ private TopGroups<BytesRef> searchShards(
+ canUseIDV);
}
// Run 1st pass collector to get top groups per shard
- final Weight w =
- topSearcher.createWeight(
- topSearcher.rewrite(query),
- groupSort.needsScores() || docSort.needsScores() || getMaxScores
- ? ScoreMode.COMPLETE
- : ScoreMode.COMPLETE_NO_SCORES,
- 1);
final List<Collection<SearchGroup<BytesRef>>> shardGroups = new
ArrayList<>();
- List<FirstPassGroupingCollector<?>> firstPassGroupingCollectors = new
ArrayList<>();
- FirstPassGroupingCollector<?> firstPassCollector = null;
-
String groupField = "group";
+ // TermGroupSelector or ValueSourceGroupSelector
+ final boolean isTermGroupSelector = random().nextBoolean();
+
for (int shardIDX = 0; shardIDX < subSearchers.length; shardIDX++) {
+ final FirstPassGroupingCollectorManager<?>
firstPassGroupingCollectorManager =
+ createFirstPassCollectorManager(
+ isTermGroupSelector, groupField, groupSort, 0, groupOffset +
topNGroups);
- // First shard determines whether we use IDV or not;
- // all other shards match that:
- if (firstPassCollector == null) {
- firstPassCollector =
- createRandomFirstPassCollector(groupField, groupSort, groupOffset
+ topNGroups);
- } else {
- firstPassCollector =
- createFirstPassCollector(
- groupField, groupSort, groupOffset + topNGroups,
firstPassCollector);
- }
if (VERBOSE) {
System.out.println(" shard=" + shardIDX + " groupField=" +
groupField);
- System.out.println(" 1st pass collector=" + firstPassCollector);
+ System.out.println(" 1st pass collector manager=" +
firstPassGroupingCollectorManager);
}
- firstPassGroupingCollectors.add(firstPassCollector);
- subSearchers[shardIDX].search(w, firstPassCollector);
- final Collection<SearchGroup<BytesRef>> topGroups =
getSearchGroups(firstPassCollector, 0);
+ final Collection<SearchGroup<BytesRef>> topGroups =
+ toByteRefSearchGroups(
+ subSearchers[shardIDX].search(query,
firstPassGroupingCollectorManager));
if (topGroups != null) {
Review Comment:
Removed this check.
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