Chang Luo created PIG-3021:
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Summary: Split results missing records when there is null values
in the column comparison
Key: PIG-3021
URL: https://issues.apache.org/jira/browse/PIG-3021
Project: Pig
Issue Type: Bug
Affects Versions: 0.10.0
Reporter: Chang Luo
Suppose a(x, y)
split a into b if x==y, c otherwise;
One will expect the union of b and c will be a. However, if x or y is null,
the record won't appear in either b or c.
To workaround this, I have to change to the following:
split a into b if x is not null and y is not null and x==y, c otherwise;
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