Working of OR and AND clauses
Let us see how the collector and scorer work together to calculate the results for both
AND clauses. Let us first focus on the
OR clause. Considering the earlier index, suppose we perform the following search:
orange OR strawberry OR not
On the basis of the terms in the query, Doc Id 1 was rejected during the Boolean filtering logic. We will need to introduce the concept of accumulator here. The purpose of the accumulator is to loop through each term in the query and pass the documents that contain the term to the collector.
In the present case, when the accumulator looks ...