[ARROW-6475] [C++] Don't try to dictionary encode dictionary arrays

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22844
• Assignee: Ben Kietzman
• Reporter: Krisztian Szucs
• Created: 06/Sep/19 11:08
• Updated: 11/Jan/23 07:47
• Resolved: 06/Sep/19 11:11

Description

With #5077 (or possibly #4949) behavior with dictionary arrays changed, leaving the explicit call to DictionaryEncode() redundant.

Issue Links

• links to: GitHub Pull Request #5299
• links to: GitHub Pull Request #5302