Examples of GenericUDAFEvaluator

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

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      ArrayList<ExprNodeDesc> aggParameters, ASTNode aggTree,
      boolean isDistinct, boolean isAllColumns)
      throws SemanticException {
    ArrayList<ObjectInspector> originalParameterTypeInfos =
        getWritableObjectInspector(aggParameters);
    GenericUDAFEvaluator result = FunctionRegistry.getGenericUDAFEvaluator(
        aggName, originalParameterTypeInfos, isDistinct, isAllColumns);
    if (null == result) {
      String reason = "Looking for UDAF Evaluator\"" + aggName
          + "\" with parameters " + originalParameterTypeInfos;
      throw new SemanticException(ErrorMsg.INVALID_FUNCTION_SIGNATURE.getMsg(
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