[SPARK-9738] remove FromUnsafe and add its codegen version to GenerateSafe

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.5.0
• Component/s: SQL
• Epic Link: Tungsten Phase 1
• Assignee: Wenchen Fan
• Reporter: Wenchen Fan
• Created: 07/Aug/15 08:40
• Updated: 09/Aug/15 08:14
• Resolved: 08/Aug/15 15:33

Description

In https://github.com/apache/spark/pull/7752 we added `FromUnsafe` to convert nexted unsafe data like array/map/struct to safe versions. It's a quick solution and we already have `GenerateSafe` to do the conversion which is codegened. So we should remove `FromUnsafe` and implement its codegen version in `GenerateSafe`.

Issue Links

• links to: [Github] Pull Request #8029 (cloud-fan)