[HIVE-17266] DecimalColumnVector64: Scaled fixed point column vector format

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0
• Component/s: storage-api
• Assignee: Owen O'Malley
• Reporter: Gopal Vijayaraghavan
• Created: 08/Aug/17 02:56
• Updated: 17/Aug/17 22:46

Description

I think we should make a new type that looks like:
class Decimal64ColumnVector extends ColumnVector {
long[] vector;
int precision;
int scale;
}
It will be extremely fast and provide a fast conduit to ORC.