Viraj Bhat created PIG-3265:
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Summary: Pig uses Python UDF registered in the last name space
Key: PIG-3265
URL: https://issues.apache.org/jira/browse/PIG-3265
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.11, 0.10.0, 0.9.2
Reporter: Viraj Bhat
Pig uses Python UDF registered in the last name space as you can see below
using a Pig script like this:
{code}
-- test_jython.pig --
register 'B.py' using org.apache.pig.scripting.jython.JythonScriptEngine as B;
register 'A.py' using org.apache.pig.scripting.jython.JythonScriptEngine as A;
I = load 'test.txt' as v;
O = foreach I generate A.a(v) as a, A.b(v) as b;
dump O;
-- END --
{code}
A.py
{code}
@outputSchema("word:int")
def a(v):
return 'a
{code}
B.py
{code}
@outputSchema("word1:int")
def b(v):
return 'b'
{code}
data.txt
{code}
1
2
3
{code}
{comment}
2013-04-01 20:17:36,338 [main] INFO
org.apache.pig.scripting.jython.JythonScriptEngine - Register scripting UDF: B.b
2013-04-01 20:17:36,377 [main] INFO
org.apache.pig.scripting.jython.JythonScriptEngine - Register scripting UDF: A.b
2013-04-01 20:17:36,378 [main] INFO
org.apache.pig.scripting.jython.JythonScriptEngine - Register scripting UDF: A.a
{comment}
The class JythonScriptEngine.java, and function: registerFunctions(), a hashmap
in PigContext is populated with latest namespace and function. This needs to be
changed and a check should be conducted before populating the hashmap. A unit
test also needs to be written.
Viraj
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