[PIG-1656] TOBAG udfs ignores columns with null value; it does not use input type to determine output schema

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Hadoop Flags: Reviewed
• Assignee: Thejas Nair
• Reporter: Thejas Nair
• Created: 28/Sep/10 23:46
• Updated: 17/Dec/10 22:46
• Resolved: 01/Oct/10 23:56

Description

TOBAG udf ignores columns with null value

R4= foreach B generate $0,  TOBAG( id, null, id,null );
grunt> dump R4;
1000    {(1),(1)}
1000    {(2),(2)}
1000    {(3),(3)}
1000    {(4),(4)}

TOBAG does not use input type to determine output schema

grunt> B1 = foreach B generate TOBAG( 1, 2, 3);         
grunt> describe B1;
B1: {{null}}