I am retrieving facet counts against a specific column in my index and these
look accurate. The query for retrieving these counts is also running a dismax
search using the q param (against 4 columns in my index, 1 of which I am facet
counting on as mentioned above).
So far, so good. I show my search results, I show my facets and associated
counts.
However, I want the user to be able to 'drill-down' by re-running the same
search (same q param), but adding in one of the facets to filter the results.
Clearly, I can't modify the q parameter to filter against my facetted column
(in addition to the previous q value), as dismax wont allow a q param to have a
column specified.
So I add a fq param to filter the results by the chosen facet. This seems
logical, but the number of search results I get is NOT the same as the count
against the facet.
I thought that by adding an fq param I am basically saying (ensuring I keep the
q param the same), re-run the search but filter my results where my facetted
column has value 'x'.
However as the number of results is not what I am expecting, I believe it may
be using the fq param first to define the number of docs against which the q
param is subsequently used. But this doesnt seem very intuitive. But it would
explain the difference in the facet count and subsequent number of search
results that I am observing.
Could someone help point out which of the 2 interpreations of fq is correct?
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