[ARROW-14181] [C++][Compute] Hash Join support for dictionary

• Type: Improvement
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 6.0.0
• Fix Version/s: 6.0.1, 7.0.0
• Component/s: C++
• Labels: pull-request-available query-engine
• External issue URL: https://github.com/apache/arrow/issues/29767
• Assignee: Michal Nowakiewicz
• Reporter: Michal Nowakiewicz
• Created: 30/Sep/21 07:50
• Updated: 11/Jan/23 08:38
• Resolved: 05/Nov/21 18:37

Description

Currently dictionary arrays are not supported at all as input columns to hash join.

Add support for dictionary arrays in hash join for both key columns and payload columns.

Issue Links

• is a child of: ARROW-12633 [C++] Query engine umbrella issue
• links to: GitHub Pull Request #11446