PigStorage's pushProjection implementation results in NPE under certain data
conditions
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Key: PIG-1366
URL: https://issues.apache.org/jira/browse/PIG-1366
Project: Pig
Issue Type: Bug
Affects Versions: 0.6.0, 0.7.0
Reporter: Pradeep Kamath
Assignee: Pradeep Kamath
Fix For: 0.7.0
Under the following conditions, a NullPointerException is caused when
PigStorage is used:
If in the script, only the 2nd and 3rd column of the data (say) are used, the
PruneColumns optimization passes this information to PigStorage through the
pushProjection() method. If the data contains a row with only one column
(malformed data due to missing cols in certain rows), PigStorage returns a
Tuple backed by a null ArrayList. Subsequent projection operations on this
tuple result in the NPE.
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