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Class org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.ExpressionOperator

Added Methods
Result accumChild(List, Boolean) Drive all the UDFs in accumulative mode
Result accumChild(List, Double) Drive all the UDFs in accumulative mode
Result accumChild(List, Float) Drive all the UDFs in accumulative mode
Result accumChild(List, Integer) Drive all the UDFs in accumulative mode
Result accumChild(List, Long) Drive all the UDFs in accumulative mode
Result accumChild(List, String) Drive all the UDFs in accumulative mode
Result accumChild(List, Map) Drive all the UDFs in accumulative mode
Result accumChild(List, DataBag) Drive all the UDFs in accumulative mode
Result accumChild(List, DataByteArray) Drive all the UDFs in accumulative mode
Result accumChild(List, Tuple) Drive all the UDFs in accumulative mode
boolean containUDF() check whether this expression contains any UDF this is called if reducer is run as accumulative mode in this case all UDFs must be called
List getChildExpressions() Get the sub-expressions of this expression.