[ARROW-10225] [Rust] [Parquet] Fix null bitmap comparisons in roundtrip tests

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.1
• Fix Version/s: 3.0.0
• Component/s: Rust
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/18317
• Assignee: Neville Dipale
• Reporter: Neville Dipale
• Created: 07/Oct/20 22:32
• Updated: 11/Jan/23 08:11
• Resolved: 08/Oct/20 15:09

Description

The Arrow spec allows makes the null bitmap optional if an array has no nulls carols10cents, so the tests that were failing were because we're comparing `None` with a 100% populated bitmap.

Issue Links

• links to: GitHub Pull Request #8388