[ https://issues.apache.org/jira/browse/DRILL-6992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sorabh Hamirwasia updated DRILL-6992: ------------------------------------- Fix Version/s: 1.16.0 > Support column histogram statistics > ----------------------------------- > > Key: DRILL-6992 > URL: https://issues.apache.org/jira/browse/DRILL-6992 > Project: Apache Drill > Issue Type: New Feature > Components: Query Planning & Optimization > Affects Versions: 1.15.0 > Reporter: Aman Sinha > Assignee: Aman Sinha > Priority: Major > Fix For: 1.16.0 > > > As a follow-up to > [DRILL-1328|https://issues.apache.org/jira/browse/DRILL-1328] which is adding > NDV (num distinct values) support and creating the framework for statistics, > we also need Histograms. These are needed for range predicates selectivity > estimation as well as equality predicates when there is non-uniform > distribution of data. -- This message was sent by Atlassian JIRA (v7.6.3#76005)