160_b avoid return zero hits

[joancf]

Related Issue

Link the related issues as a markdown list.

• Don't use documents with 0 hits #714 related to this discussion

Changes

Te lower limit when checking for frequencies and the max number of hits to consider (it is not candidates, but the nonzero)

Testing and Validation

I checked adding some logs in my installation and discovering that it was retrieving too much documents

[alexklibisz]

Thanks. In #718 I'm not trying to fix the issue just yet. I'm trying to move the DocIdSetIterator into the ArrayHitCounter. So we can come back to this fix.