mkhludnev commented on code in PR #12245: URL: https://github.com/apache/lucene/pull/12245#discussion_r1182353352
########## lucene/join/src/java/org/apache/lucene/search/join/ToParentBlockJoinQuery.java: ########## @@ -391,35 +391,86 @@ private void setScoreAndFreq() throws IOException { } this.score = (float) score; } - - public Explanation explain(LeafReaderContext context, Weight childWeight) throws IOException { + /* + * This instance of Explanation requires three parameters, context, childWeight, and scoreMode. + * The scoreMode parameter considers Avg, Total, Min, Max, and None. + * */ + public Explanation explain(LeafReaderContext context, Weight childWeight, ScoreMode scoreMode) + throws IOException { int prevParentDoc = parentBits.prevSetBit(parentApproximation.docID() - 1); int start = context.docBase + prevParentDoc + 1; // +1 b/c prevParentDoc is previous parent doc int end = context.docBase + parentApproximation.docID() - 1; // -1 b/c parentDoc is parent doc Explanation bestChild = null; + double childScoreSum = 0; int matches = 0; for (int childDoc = start; childDoc <= end; childDoc++) { Explanation child = childWeight.explain(context, childDoc - context.docBase); if (child.isMatch()) { matches++; + childScoreSum += child.getValue().doubleValue(); + + if (scoreMode == ScoreMode.Total) { + continue; + } + if (bestChild == null - || child.getValue().floatValue() > bestChild.getValue().floatValue()) { + || child.getValue().doubleValue() > bestChild.getValue().doubleValue()) { bestChild = child; } } } - - return Explanation.match( - score(), - String.format( - Locale.ROOT, - "Score based on %d child docs in range from %d to %d, best match:", - matches, - start, - end), - bestChild); + // this one causes issues + // + if (bestChild == null) { Review Comment: bestChild=null may also mean No match -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org