[PIG-2002] Regression: Pig gives error "Projection with nothing to reference!" for a valid query

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 0.9.0
• Assignee: Xuefu Zhang
• Reporter: Xuefu Zhang
• Created: 19/Apr/11 19:45
• Updated: 04/Aug/11 00:35
• Resolved: 20/Apr/11 19:02

Description

Pig has problem parsing the following query:

A = load 'x' as (u:map[], v);
B = foreach A

{ T = (chararray)u#'hello'#'world'; generate T; }

;

2011-04-19 12:45:24,486 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2225: Projection with nothing to reference!