[SPARK-22124] Sample and Limit should also defer input evaluation under codegen

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: SQL
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 26/Sep/17 02:09
• Updated: 26/Sep/17 07:23
• Resolved: 26/Sep/17 07:23

Description

We can override usedInputs to claim that an operator defers input evaluation. Sample and Limit are two operators which should claim it but don't. We should do it.

Issue Links

• links to: [Github] Pull Request #19345 (viirya)