alessandrobenedetti commented on a change in pull request #1571:
URL: https://github.com/apache/lucene-solr/pull/1571#discussion_r496225246
##########
File path:
solr/contrib/ltr/src/java/org/apache/solr/ltr/search/LTRQParserPlugin.java
##########
@@ -146,93 +149,114 @@ public LTRQParser(String qstr, SolrParams localParams,
SolrParams params,
@Override
public Query parse() throws SyntaxError {
// ReRanking Model
- final String modelName = localParams.get(LTRQParserPlugin.MODEL);
- if ((modelName == null) || modelName.isEmpty()) {
+ final String[] modelNames =
localParams.getParams(LTRQParserPlugin.MODEL);
+ if ((modelNames == null) || modelNames.length==0 ||
modelNames[0].isEmpty()) {
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
"Must provide model in the request");
}
-
- final LTRScoringModel ltrScoringModel = mr.getModel(modelName);
- if (ltrScoringModel == null) {
- throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
- "cannot find " + LTRQParserPlugin.MODEL + " " + modelName);
- }
-
- final String modelFeatureStoreName =
ltrScoringModel.getFeatureStoreName();
- final boolean extractFeatures =
SolrQueryRequestContextUtils.isExtractingFeatures(req);
- final String fvStoreName =
SolrQueryRequestContextUtils.getFvStoreName(req);
- // Check if features are requested and if the model feature store and
feature-transform feature store are the same
- final boolean featuresRequestedFromSameStore =
(modelFeatureStoreName.equals(fvStoreName) || fvStoreName == null) ?
extractFeatures:false;
- if (threadManager != null) {
-
threadManager.setExecutor(req.getCore().getCoreContainer().getUpdateShardHandler().getUpdateExecutor());
- }
- final LTRScoringQuery scoringQuery = new LTRScoringQuery(ltrScoringModel,
- extractEFIParams(localParams),
- featuresRequestedFromSameStore, threadManager);
-
- // Enable the feature vector caching if we are extracting features, and
the features
- // we requested are the same ones we are reranking with
- if (featuresRequestedFromSameStore) {
- scoringQuery.setFeatureLogger(
SolrQueryRequestContextUtils.getFeatureLogger(req) );
+
+ LTRScoringQuery[] rerankingQueries = new
LTRScoringQuery[modelNames.length];
+ for (int i = 0; i < modelNames.length; i++) {
+ final LTRScoringQuery rerankingQuery;
+ if (!ORIGINAL_RANKING.equals(modelNames[i])) {
Review comment:
Hi @cpoerschke , I think you are right, it is probably better to have a
separate param to activate the interleaving with the original ranking.
I have just made the change and updated the tests.
They are green locally, I'll just wait for them to be green remotely as well
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