[PIG-2606] union/ join operations are not accepting same alias as multiple inputs

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.2, 0.10.0
• Fix Version/s: 0.12.0
• Hadoop Flags: Reviewed
• Assignee: Hari Sankar Sivarama Subramaniyan
• Reporter: Thejas Nair
• Created: 17/Mar/12 01:49
• Updated: 14/Oct/13 16:46
• Resolved: 29/Aug/13 21:17

Description

grunt> l = load 'x';
grunt> u = union l, l;
2012-03-16 18:48:45,687 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2998: Unhandled internal error. Union with Count(Operand) < 2

grunt> a = load 'a0.txt' as (a0, a1);
grunt> b = join a by a0, a by a1;
2013-08-27 13:36:21,807 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2225: Projection with nothing to reference!