[ARROW-1574] [C++] Implement kernel function that converts a dense array to dictionary given known dictionary

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++
• Labels: Analytics
• External issue URL: https://github.com/apache/arrow/issues/17587
• Assignee: Unassigned
• Reporter: Wes McKinney
• Created: 19/Sep/17 23:07
• Updated: 11/Jan/23 07:15

Description

This may simply be a special case of cast using a dictionary type

Issue Links

• is a child of: ARROW-8894 [C++] C++ array kernels framework and execution buildout (umbrella issue)
• is related to: ARROW-4097 [C++] Add function to "conform" a dictionary array to a target new dictionary
• relates to: ARROW-13103 [C++][Python] Allow to specify a dictionary type for dictionary_encode() function