[ARROW-9098] RecordBatch::ToStructArray cannot handle record batches with 0 column

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.17.1
• Fix Version/s: 1.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/25212
• Assignee: Zhuo Peng
• Reporter: Zhuo Peng
• Created: 11/Jun/20 03:29
• Updated: 11/Jan/23 08:04
• Resolved: 11/Jun/20 09:36

Description

If RecordBatch::ToStructArray is called against a record batch with 0 column, the following error will be raised:

Invalid: Can't infer struct array length with 0 child arrays

Issue Links

• links to: GitHub Pull Request #7401