[ARROW-4374] [C++] DictionaryBuilder does not correctly report length and null_count

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.12.0
• Fix Version/s: 0.12.1, 0.13.0
• Component/s: C++
• Labels: pull-request-available
• Assignee: Uwe Korn
• Reporter: Uwe Korn
• Created: 25/Jan/19 14:26
• Updated: 12/Mar/19 20:42
• Resolved: 26/Jan/19 09:39

Description

In comparison to most builders, they stay constantly at 0.

Issue Links

• links to: GitHub Pull Request #3488