[PIG-3367] Add assert keyword (operator) in pig

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0
• Component/s: parser
• Assignee: Aniket Namadeo Mokashi
• Reporter: Aniket Namadeo Mokashi
• Created: 27/Jun/13 03:19
• Updated: 17/Aug/17 01:08
• Resolved: 20/Sep/13 16:06

Description

Assert operator can be used for data validation. With assert you can write script as following-

a = load 'something' as (a0:int, a1:int);
assert a by a0 > 0, 'a cant be negative for reasons';

This script will fail if assert is violated.

Issue Links

• is related to: PIG-3483 Document ASSERT keyword