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Boaz Ben-Zvi updated DRILL-6758: -------------------------------- Fix Version/s: 1.18.0 > Hash Join should not return the join columns when they are not needed > downstream > -------------------------------------------------------------------------------- > > Key: DRILL-6758 > URL: https://issues.apache.org/jira/browse/DRILL-6758 > Project: Apache Drill > Issue Type: Improvement > Components: Execution - Relational Operators, Query Planning & > Optimization > Affects Versions: 1.14.0 > Reporter: Boaz Ben-Zvi > Assignee: Hanumath Rao Maduri > Priority: Minor > Fix For: 1.18.0 > > > Currently the Hash-Join operator returns all its (both sides) incoming > columns. In cases where the join columns are not used further downstream, > this is a waste (allocating vectors, copying each value, etc). > Suggestion: Have the planner pass this information to the Hash-Join > operator, to enable skipping the return of these columns. > -- This message was sent by Atlassian Jira (v8.3.4#803005)