[SPARK-9500] Add TernaryExpression to simplify implementations

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.5.0
• Component/s: SQL
• Target Version/s: 1.5.0
• Sprint: Spark 1.5 release
• Assignee: Davies Liu
• Reporter: Davies Liu
• Created: 31/Jul/15 06:26
• Updated: 31/Jul/15 15:29
• Resolved: 31/Jul/15 15:29

Description

There lots of duplicated code in ternary expressions, create a TernaryExpression for them to reduce duplicated code.

Issue Links

• links to: [Github] Pull Request #7816 (davies)