[PIG-5307] NPE in TezOperDependencyParallelismEstimator

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.18.0
• Hadoop Flags: Reviewed
• Assignee: Rohini Palaniswamy
• Reporter: Rohini Palaniswamy
• Created: 02/Oct/17 21:54
• Updated: 02/Oct/17 22:05
• Resolved: 02/Oct/17 22:05

Description

In case of the constant being null, NPE is thrown. This was encountered by a user who was generating the field name based on a condition which expanded to NULL when condition was not met. For eg:

x = FILTER x BY (chararray) NULL == 'fieldvalue';