The unique token filter can be used to only index unique tokens during analysis. By default it is applied on all the token stream. If only_on_same_position is set to true, it will only remove duplicate tokens on the same position.
The unique token filter can be used to only index unique tokens during analysis. By default it is applied on all the token stream. If only_on_same_position is set to true, it will only remove duplicate tokens on the same position.