hi, i have been searching for getting the term enum for filtered documents...
I have index containing fields "group_id" and "user"..i know that we can
easily get unique Terms and their count for specific filed by following
code..
HashMap hmap= new HashMap();
TermEnum tenum= reader.terms(new Term("group_id"));
boolean next=true;
while(next==true && tenum.term().field().equals("group_id")){
hmap.put(tenum.term().text(), tenum.docFreq());
next=tenum.next();
}
but now problem is that i want to find unique term count on basis of some
filter...
e.g "I want to get users and their count in 'group_id:Java' "
I can fulfill my requirement by iterating on documents whose "group_id:Java"
but this will slow down the process. Please guide me how to do this
efficiently... any other idea is highly appreciated :)
Thanks
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