In my application logic, I want to implement the ranking (scoring) logic as
follows:
score = "Solr relecency score" * a_special_field_value.
I tried to use DixMax to do this. My query statement is q={!type=dixmax
qf='title content' bf=field1}data. However, when I open the debugquery
option, I find that what Solr does is just a "sum of" of the two scores,
i.e., the TF-IDF score and FunctionQuery score. But what I want is to
multiple the two together. How can I implement the multiplication operation?
I also tried using boosted query. I issue a query like q={!boost
b=field1}data. In this case, Solr does return a score which is a production
of two scores. However, by using boosted query, I lost the power of dismax
query which can search across multiple fields.
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