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Prasanth Jayachandran commented on HIVE-4639: --------------------------------------------- As Gopal mentioned, we can infer the other stats from the existing information all_nulls -> min = null no_nulls -> hasNull = false some_nulls -> hasNull = true, min != null > Add has null flag to ORC internal index > --------------------------------------- > > Key: HIVE-4639 > URL: https://issues.apache.org/jira/browse/HIVE-4639 > Project: Hive > Issue Type: Improvement > Components: File Formats > Reporter: Owen O'Malley > Assignee: Prasanth Jayachandran > Attachments: HIVE-4639.1.patch > > > It would enable more predicate pushdown if we added a flag to the index entry > recording if there were any null values in the column for the 10k rows. -- This message was sent by Atlassian JIRA (v6.3.4#6332)