Cheolsoo Park created PIG-4696:
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Summary: Empty map returned by a streaming_python udf wrongly
contains a null key
Key: PIG-4696
URL: https://issues.apache.org/jira/browse/PIG-4696
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.15.0
Reporter: Cheolsoo Park
Assignee: Cheolsoo Park
Priority: Minor
To reproduce, please run the following query-
{code}
b = FOREACH a GENERATE (map[])udfs.empty_dict();
DUMP b;
{code}
where empty_dict() is a Python udf-
{code}
@outputSchema("map_out: []")
def empty_dict():
return {}
{code}
This returns {{([])}} in jython while {{(\[null#\])}} in streaming_python.
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