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The following page has been changed by SanthoshSrinivasan: http://wiki.apache.org/pig/PigErrorHandlingFunctionalSpecification ------------------------------------------------------------------------------ == Requirement on UDF authors == - In order to enable warning message aggregation, UDF authors should use Hadoop counters to report warnings. UDF authors should use Pig's warning enumeration constant UDF_WARNING in order to aggregate UDF warning messages. + In order to enable warning message aggregation, UDF authors should use Pig's abstraction to handle warning message aggregation. For more details refer to the design document. === Warning Codes === @@ -66, +66 @@ '''Note''' - 1. Java does not allow enum types to be extended. Due to this limitation, UDF_WARNING is used as a placeholder for aggregating UDF warning messages. As a result, all warning messages reported by UDFs are treated uniformly. - 2. The exact warning codes along with the warning messages are to be decided. + 1. The exact warning codes along with the warning messages are to be decided. == Additional command line switches ==