elasticsearch tire gem exact match

Question

I'm currently using Tire to access my ES data however I've not been able to get it to do an exact match, for instance

User.search :per_page => 10 do 
 query do
    boolean do
       must { match :first_name, 'tom'}
       must { match :last_name, 'smith'}
       end
   end
end

However that returns firstnames that are tom, tomas, tommy and tomiena.. when I'd like it to only match tom.

Answer 1

Try the match_phrase query,

User.search :per_page => 10 do 
 query do
    boolean do
       must { match :first_name, 'tom', :type => :phrase}
       must { match :last_name, 'smith', :type => :phrase}
       end
   end
end

Answer 2

You can try with a query_string query :

User.search :per_page => 10 do 
 query do
    boolean do
       must { string 'first_name:tom'}
       must { string 'last_name:smith'}
       end
   end
end

If that doesn't work it means that you'd have to check on your analyser.