[SPARK-10095] Should not use the private field of BigInteger

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.5.0
• Fix Version/s: 1.5.0
• Component/s: SQL
• Target Version/s: 1.5.0
• Assignee: Davies Liu
• Reporter: Davies Liu
• Created: 18/Aug/15 20:56
• Updated: 19/Aug/15 03:40
• Resolved: 19/Aug/15 03:40

Description

In UnsafeRow, we use the private field of BigInteger for better performance, but it actually didn't contribute much to end-to-end runtime, and make it not portable (may fail on other JVM implementations).

So we should use the public API instead.

Issue Links

• relates to: SPARK-9644 Support update DecimalType with precision > 18 in UnsafeRow
• links to: [Github] Pull Request #8286 (davies)