[SPARK-3969] Optimizer should have a super class as an interface.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: SQL
• Assignee: Unassigned
• Reporter: Takuya Ueshin
• Created: 16/Oct/14 15:15
• Updated: 21/Oct/14 00:09
• Resolved: 21/Oct/14 00:09

Description

Some developers want to replace Optimizer to fit their projects but can't do so because currently Optimizer is an object.

Issue Links

• links to: [Github] Pull Request #2825 (ueshin)