[PIG-4974] A simple map reference fail to cast

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.1
• Hadoop Flags: Reviewed
• Assignee: Koji Noguchi
• Reporter: Koji Noguchi
• Created: 31/Aug/16 21:43
• Updated: 08/Sep/16 19:42
• Resolved: 08/Sep/16 19:42

Description

A = load 'input.txt' as (m:[bytearray]);
B = FOREACH A GENERATE m#'a' as a, m#'e' as e;
C = FILTER B by a != 'abc' and e != 'abc';
store C into 'output';

This fails with

Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 1075: Received a bytearray from the UDF or Union from two different Loaders. Cannot determine how to convert the bytearray to string

Issue Links

• relates to: PIG-3938 Add LoadCaster to EvalFunc(UDF)