[ARROW-7596] [Python] Only apply zero-copy DataFrame block optimizations when split_blocks=True

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/23851
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 16/Jan/20 22:49
• Updated: 11/Jan/23 07:54
• Resolved: 22/Jan/20 12:46

Description

Follow up to ARROW-3789 since there is downstream code that assumes that the DataFrame produced always has all mutable blocks

Issue Links

• relates to: SPARK-30640 Prevent unnessary copies of data in Arrow to Pandas conversion with Timestamps
• links to: GitHub Pull Request #6250