[HIVE-4384] Implement vectorized string functions UPPER(), LOWER(), LENGTH()

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: vectorization-branch, 0.13.0
• Assignee: Eric N. Hanson
• Reporter: Eric N. Hanson
• Created: 19/Apr/13 18:50
• Updated: 23/Oct/13 21:59
• Resolved: 25/Apr/13 07:27

Description

Implement vectorized versions of string functions UPPER(), LOWER(), and LENGTH(). UPPER and LOWER call the old versions of these functions in the inner loop, via a new interface definition. LENGTH operates on data in place in the vector.