[SPARK-22591] GenerateOrdering shouldn't change ctx.INPUT_ROW

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.1, 2.3.0
• Component/s: SQL
• Target Version/s: 2.2.1, 2.3.0
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 23/Nov/17 12:07
• Updated: 24/Nov/17 21:20
• Resolved: 24/Nov/17 10:47

Description

GenerateOrdering changes ctx.INPUT_ROW but doesn't restore the original value. Since ctx.INPUT_ROW is used when generating codes, it is risky to change it arbitrarily.

Issue Links

• links to: [Github] Pull Request #19800 (viirya)