[Zebra] Invalid type for source_table field when using order-preserving Sorted
Table Union
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Key: PIG-1318
URL: https://issues.apache.org/jira/browse/PIG-1318
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.7.0
Reporter: Gaurav Jain
Fix For: 0.7.0
When we are trying to use order-preserving sorted union:
....
We got the following schema, where the type of 'source_table' is (null) with no
column name:
{id: chararray,name: chararray,context: chararray,writer: chararray,rev:
chararray,schema: chararray,(null)}
I tried to project the 'source_table' field but failed:
B = FOREACH A GENERATE id, $6;
DUMP B;
But then we got exception org.apache.pig.impl.logicalLayer.FrontendException:
ERROR 1066: Unable to open iterator for alias B.
Can you guys please let us know how to access this column? Or is the symptom
described above is a bug?
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