presto-main/src/main/java/io/prestosql/operator/index/IndexJoinLookupStats.java/IndexJoinLookupStats/recordSuccessfulIndexJoinLookupBySingleRequest
class IndexJoinLookupStats:    public void recordSuccessfulIndexJoinLookupBySingleRequest()
    {
        successfulIndexJoinLookupsBySingleRequest.update(1);
    }