Rahul Iyer created MADLIB-1161:
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Summary: DT: Trees trained by MADlib < 1.12 fail when predicted on
1.12
Key: MADLIB-1161
URL: https://issues.apache.org/jira/browse/MADLIB-1161
Project: Apache MADlib
Issue Type: Bug
Components: Module: Decision Tree
Reporter: Rahul Iyer
Fix For: v2.0
Report from Scott Gai
After upgrade madlib package from 1.11 to 1.12, the tree decision modles which
were trained prior to upgrade started to fail with errors like below
{code}
ERROR: KeyError: 'null_proxy' (plpython.c:4656) CONTEXT: Traceback (most recent
call last): PL/Python function "tree_predict", line 19, in <module> return
decision_tree.tree_predict(**globals()) PL/Python function "tree_predict", line
1759, in tree_predict PL/Python function "tree_predict" ********** Error
********** ERROR: KeyError: 'null_proxy' (plpython.c:4656) SQL state: XX000
Context: Traceback (most recent call last): PL/Python function "tree_predict",
line 19, in <module> return decision_tree.tree_predict(**globals()) PL/Python
function "tree_predict", line 1759, in tree_predict PL/Python function
"tree_predict"
{code}
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