[jira] [Created] (SOLR-16788) Bug in logging efi features

["Anna (Jira)" <ji...@apache.org>]

Anna created SOLR-16788:
---------------------------

             Summary: Bug in logging efi features
                 Key: SOLR-16788
                 URL: https://issues.apache.org/jira/browse/SOLR-16788
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: contrib - LTR
    Affects Versions: 9.2.1
            Reporter: Anna


Efi features are not correctly printed when these conditions persist:
 # Asking for logging: 
{code:java}
fl=[features format=dense efi.myEfiFeature=2]{code}

 # Default feature store used (no feature store passed)
 # Asking for reranking:
{code:java}
{!ltr model=my_model efi.myEfiFeature=3}{code}

 # Different efis values are passed between logging and reranking: efi.myEfiFeature=2 vs efi.myEfiFeature=3

The efis logged are computed based on the reranking and not the logging. 
Example of response:
{code:java}
"docs": [
    {
        "id": "41",
        "score": 4999.0,
        "[features]": "test_efi_0=4996.0,test_efi_1=0.0,efi_feature=3.0"
    },
    {
        "id": "80",
        "score": 4955.0,
        "[features]": "test_efi_0=4952.0,test_efi_1=0.0,efi_feature=3.0"
    },
...{code}
I would expect to have efi_feature=2.0 in this scenario.

 

This is due to the *org.apache.solr.ltr.response.transform.LTRFeatureLoggerTransformerFactory.FeatureTransformer#setupRerankingQueriesForLogging* method, which is not assigning the _transformerExternalFeatureInfo_ parameter to the 
_LTRScoringQuery_ if we have done reranking and the _transformerFeatureStore_ is null (not passed in fl at query time).



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