alessandrobenedetti commented on code in PR #1260:
URL: https://github.com/apache/solr/pull/1260#discussion_r1112953125
##########
solr/core/src/java/org/apache/solr/handler/component/MoreLikeThisComponent.java:
##########
@@ -95,23 +98,23 @@ public void process(ResponseBuilder rb) throws IOException {
rb.rsp.add("moreLikeThis", new NamedList<DocList>());
return;
}
-
MoreLikeThisHandler.MoreLikeThisHelper mlt =
new MoreLikeThisHandler.MoreLikeThisHelper(params, searcher);
-
- NamedList<BooleanQuery> bQuery =
mlt.getMoreLikeTheseQuery(rb.getResults().docList);
-
- NamedList<String> temp = new NamedList<>();
- Iterator<Entry<String, BooleanQuery>> idToQueryIt =
bQuery.iterator();
-
- while (idToQueryIt.hasNext()) {
- Entry<String, BooleanQuery> idToQuery = idToQueryIt.next();
- String s = idToQuery.getValue().toString();
-
- log.debug("MLT Query:{}", s);
- temp.add(idToQuery.getKey(), idToQuery.getValue().toString());
+ NamedList<NamedList<?>> temp = new NamedList<>();
Review Comment:
we can leverage this contribution for some minor refactoring?
rename 'temp' to 'docIdsAndMltQueries' , or something like that?
##########
solr/core/src/java/org/apache/solr/handler/component/MoreLikeThisComponent.java:
##########
@@ -95,23 +98,23 @@ public void process(ResponseBuilder rb) throws IOException {
rb.rsp.add("moreLikeThis", new NamedList<DocList>());
return;
}
-
MoreLikeThisHandler.MoreLikeThisHelper mlt =
new MoreLikeThisHandler.MoreLikeThisHelper(params, searcher);
-
- NamedList<BooleanQuery> bQuery =
mlt.getMoreLikeTheseQuery(rb.getResults().docList);
-
- NamedList<String> temp = new NamedList<>();
- Iterator<Entry<String, BooleanQuery>> idToQueryIt =
bQuery.iterator();
-
- while (idToQueryIt.hasNext()) {
- Entry<String, BooleanQuery> idToQuery = idToQueryIt.next();
- String s = idToQuery.getValue().toString();
-
- log.debug("MLT Query:{}", s);
- temp.add(idToQuery.getKey(), idToQuery.getValue().toString());
+ NamedList<NamedList<?>> temp = new NamedList<>();
+ for (DocIterator iterator = rb.getResults().docList.iterator();
iterator.hasNext(); ) {
Review Comment:
DocIterator searchResults ?
DocIterator results ?
never been a fan of names that are basically the type of the object
##########
solr/core/src/java/org/apache/solr/handler/MoreLikeThisHandler.java:
##########
@@ -466,37 +456,19 @@ public DocListAndSet getMoreLikeThis(
}
return results;
}
-
- public NamedList<BooleanQuery> getMoreLikeTheseQuery(DocList docs) throws
IOException {
- IndexSchema schema = searcher.getSchema();
- NamedList<BooleanQuery> result = new NamedList<>();
- DocIterator iterator = docs.iterator();
- while (iterator.hasNext()) {
- int id = iterator.nextDoc();
- String uniqueId = schema.printableUniqueKey(reader.document(id));
-
- BooleanQuery mltquery = (BooleanQuery) mlt.like(id);
- if (mltquery.clauses().size() == 0) {
- return result;
- }
- mltquery = (BooleanQuery) getBoostedQuery(mltquery);
-
- // exclude current document from results
- BooleanQuery.Builder mltQuery = new BooleanQuery.Builder();
- mltQuery.add(mltquery, BooleanClause.Occur.MUST);
-
- mltQuery.add(
- new TermQuery(new Term(uniqueKeyField.getName(), uniqueId)),
- BooleanClause.Occur.MUST_NOT);
- result.add(uniqueId, mltQuery.build());
- }
-
- return result;
- }
-
- private void fillInterestingTermsFromMLTQuery(Query query,
List<InterestingTerm> terms) {
- Collection<BooleanClause> clauses = ((BooleanQuery) query).clauses();
+ /**
+ * Yields terms with boosts from the boosted MLT query.
+ *
+ * @param maxTerms how many terms to return, negative value let to return
all
Review Comment:
maybe:
@param maxTerms how many terms to return, a negative value means all terms
are returned
?
##########
solr/core/src/java/org/apache/solr/handler/component/MoreLikeThisComponent.java:
##########
@@ -95,23 +98,23 @@ public void process(ResponseBuilder rb) throws IOException {
rb.rsp.add("moreLikeThis", new NamedList<DocList>());
return;
}
-
MoreLikeThisHandler.MoreLikeThisHelper mlt =
new MoreLikeThisHandler.MoreLikeThisHelper(params, searcher);
-
- NamedList<BooleanQuery> bQuery =
mlt.getMoreLikeTheseQuery(rb.getResults().docList);
-
- NamedList<String> temp = new NamedList<>();
- Iterator<Entry<String, BooleanQuery>> idToQueryIt =
bQuery.iterator();
-
- while (idToQueryIt.hasNext()) {
- Entry<String, BooleanQuery> idToQuery = idToQueryIt.next();
- String s = idToQuery.getValue().toString();
-
- log.debug("MLT Query:{}", s);
- temp.add(idToQuery.getKey(), idToQuery.getValue().toString());
+ NamedList<NamedList<?>> temp = new NamedList<>();
+ for (DocIterator iterator = rb.getResults().docList.iterator();
iterator.hasNext(); ) {
+ int id = iterator.nextDoc();
Review Comment:
docId maybe?
##########
solr/core/src/test/org/apache/solr/handler/component/DistributedMLTComponentTest.java:
##########
@@ -389,5 +389,29 @@ public void test() throws Exception {
Long actual = ((SolrDocumentList) entry.getValue()).getNumFound();
assertEquals("MLT mismatch for id=" + key, expected, actual);
}
+ // test boost mlt.qf
+ query(
+ "q",
+ "lowerfilt:moon",
+ "fl",
+ id,
+ MoreLikeThisParams.MIN_TERM_FREQ,
+ 2,
+ MoreLikeThisParams.MIN_DOC_FREQ,
+ 1,
+ "sort",
+ "id_i1 desc",
+ "mlt",
+ "true",
+ "mlt.fl",
+ "lowerfilt1,lowerfilt",
+ "mlt.qf",
+ "lowerfilt1^1.2 lowerfilt^3.4",
+ "qt",
+ requestHandlerName,
+ "shards.qt",
+ requestHandlerName,
+ "mlt.count",
+ "20");
Review Comment:
I was trying to understand why we have the 'query()' here, with no
assertions. I can spend more time refreshing on those tests, but given you have
been working recently on these, can you refresh my mind?
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