Gopal V created HIVE-20501: ------------------------------ Summary: Vectorization: Closed range fast-path for Fast Long hashset Key: HIVE-20501 URL: https://issues.apache.org/jira/browse/HIVE-20501 Project: Hive Issue Type: Improvement Reporter: Gopal V
In scenarios where the surrogate keys are entirely contiguous, the cache can offer a fast-path for [min,max], without a further lookup in the hashtable. {code} hive> select min(c_customer_sk), max(c_customer_sk), max(c_customer_sk) - min(c_customer_sk), count(1) from customer; 1 65000000 64999999 65000000 {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)