[PIG-2021] Parser error while referring a map nested foreach

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 0.9.0
• Assignee: Xuefu Zhang
• Reporter: Vivek Padmanabhan
• Created: 29/Apr/11 05:27
• Updated: 04/Aug/11 00:35
• Resolved: 10/May/11 21:02

Description

The below script is throwing parser errors

register string.jar;
A = load 'test1'  using MapLoader() as ( s, m, l );                       
B = foreach A generate *, string.URLPARSE((chararray) s#'url') as parsedurl;
C = foreach B {
  urlpath = (chararray) parsedurl#'path';
  lc_urlpath = string.TOLOWERCASE((chararray) urlpath);
  generate *;
};

Error message;

Failed to generate logical plan.

Nested exception: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 2225: Projection with nothing to reference!

PIG-2002 reports a similar issue, but when i tried with the patch of PIG-2002 i was getting the below exception;
ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1200: <file repro.pig, line 11, column 33> mismatched input '(' expecting SEMI_COLON