phoenix5-hive4/src/main/java/org/apache/phoenix/hive/util/TypeInfoUtils.java [194:230]:
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  public static List<TypeInfo> getParameterTypeInfos(Method m, int size) {
    Type[] methodParameterTypes = m.getGenericParameterTypes();

    // Whether the method takes variable-length arguments
    // Whether the method takes an array like Object[],
    // or String[] etc in the last argument.
    Type lastParaElementType = TypeInfoUtils
        .getArrayElementType(methodParameterTypes.length == 0 ? null
        : methodParameterTypes[methodParameterTypes.length - 1]);
    boolean isVariableLengthArgument = (lastParaElementType != null);

    List<TypeInfo> typeInfos = null;
    if (!isVariableLengthArgument) {
      // Normal case, no variable-length arguments
      if (size != methodParameterTypes.length) {
        return null;
      }
      typeInfos = new ArrayList<TypeInfo>(methodParameterTypes.length);
      for (Type methodParameterType : methodParameterTypes) {
        typeInfos.add(getExtendedTypeInfoFromJavaType(methodParameterType, m));
      }
    } else {
      // Variable-length arguments
      if (size < methodParameterTypes.length - 1) {
        return null;
      }
      typeInfos = new ArrayList<TypeInfo>(size);
      for (int i = 0; i < methodParameterTypes.length - 1; i++) {
        typeInfos.add(getExtendedTypeInfoFromJavaType(methodParameterTypes[i],
            m));
      }
      for (int i = methodParameterTypes.length - 1; i < size; i++) {
        typeInfos.add(getExtendedTypeInfoFromJavaType(lastParaElementType, m));
      }
    }
    return typeInfos;
  }
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phoenix5-hive/src/main/java/org/apache/phoenix/hive/util/TypeInfoUtils.java [194:230]:
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  public static List<TypeInfo> getParameterTypeInfos(Method m, int size) {
    Type[] methodParameterTypes = m.getGenericParameterTypes();

    // Whether the method takes variable-length arguments
    // Whether the method takes an array like Object[],
    // or String[] etc in the last argument.
    Type lastParaElementType = TypeInfoUtils
        .getArrayElementType(methodParameterTypes.length == 0 ? null
        : methodParameterTypes[methodParameterTypes.length - 1]);
    boolean isVariableLengthArgument = (lastParaElementType != null);

    List<TypeInfo> typeInfos = null;
    if (!isVariableLengthArgument) {
      // Normal case, no variable-length arguments
      if (size != methodParameterTypes.length) {
        return null;
      }
      typeInfos = new ArrayList<TypeInfo>(methodParameterTypes.length);
      for (Type methodParameterType : methodParameterTypes) {
        typeInfos.add(getExtendedTypeInfoFromJavaType(methodParameterType, m));
      }
    } else {
      // Variable-length arguments
      if (size < methodParameterTypes.length - 1) {
        return null;
      }
      typeInfos = new ArrayList<TypeInfo>(size);
      for (int i = 0; i < methodParameterTypes.length - 1; i++) {
        typeInfos.add(getExtendedTypeInfoFromJavaType(methodParameterTypes[i],
            m));
      }
      for (int i = methodParameterTypes.length - 1; i < size; i++) {
        typeInfos.add(getExtendedTypeInfoFromJavaType(lastParaElementType, m));
      }
    }
    return typeInfos;
  }
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