[ARROW-3894] [Python] Error reading IPC file with no record batches

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.11.1
• Fix Version/s: 0.12.0
• Component/s: C++, Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/20503
• Assignee: Wes McKinney
• Reporter: Rik Coenders
• Created: 27/Nov/18 18:40
• Updated: 11/Jan/23 07:30
• Resolved: 05/Dec/18 16:58

Description

When using the RecordBatchFileWriter without actually writing a record batch. The magic byte at the beginning of the file is not written. This causes the exception File is smaller than indicated metadata size when reading that file with the RecordBatchFileReader.

Issue Links

• links to: GitHub Pull Request #3095