Keith Wyss created PIG-3405:
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Summary: Top UDF documentation indicates improper use
Key: PIG-3405
URL: https://issues.apache.org/jira/browse/PIG-3405
Project: Pig
Issue Type: Bug
Components: documentation
Affects Versions: 0.10.0
Environment: Javadoc and pig tutorial
Reporter: Keith Wyss
Priority: Minor
The documentation in both the source code javadoc:
http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/builtin/TOP.java
and the Apache Pig Reference manual:
http://pig.apache.org/docs/r0.8.1/piglatin_ref2.html#TOP indicates that the
index that is passed to the TOP UDF should be 1-indexed.
Reading the code and testing the results, this is false. Zero-indexing gives
the correct behavior. Users should not be betrayed by the official
documentation.
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