Package org.apache.hadoop.hive.ql.exec

Examples of org.apache.hadoop.hive.ql.exec.UDFArgumentException

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      }
      try {
        Object constantValue = evaluate(argumentValues);
        oi = ObjectInspectorUtils.getConstantObjectInspector(oi, constantValue);
      } catch (HiveException e) {
        throw new UDFArgumentException(e);
      }
    }
    return oi;
  }
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   * This will be called by FunctionRegistry.cloneGenericUDF()
   */
  public void copyToNewInstance(Object newInstance) throws UDFArgumentException {
    // newInstance should always be the same type of object as this
    if (this.getClass() != newInstance.getClass()) {
      throw new UDFArgumentException("Invalid copy between " + this.getClass().getName()
          + " and " + newInstance.getClass().getName());
    }
  }
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      PrimitiveTypeEntry typeEntry = getTypeFor(method.getReturnType());
      returnOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
          typeEntry.primitiveCategory);
      returnObj = (Writable) returnOI.getPrimitiveWritableClass().newInstance();
    } catch (Exception e) {
      throw new UDFArgumentException(e);
    }
    return returnOI;
  }
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        PrimitiveObjectInspectorUtils.getTypeEntryFromPrimitiveJavaType(retType);
    if (entry == null) {
      entry = PrimitiveObjectInspectorUtils.getTypeEntryFromPrimitiveJavaClass(retType);
    }
    if (entry == null) {
      throw new UDFArgumentException("Invalid return type " + retType);
    }
    return entry;
  }
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  }

  @Override
  public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 1) {
      throw new UDFArgumentException(opName + " requires one argument.");
    }

    Category category = arguments[0].getCategory();
    if (category != Category.PRIMITIVE) {
      throw new UDFArgumentTypeException(0, "The "
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  public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {

    try {
      udf = (UDF) Class.forName(udfClassName, true, JavaUtils.getClassLoader()).newInstance();
    } catch (Exception e) {
      throw new UDFArgumentException(
          "The UDF implementation class '" + udfClassName
              + "' is not present in the class path");
    }

    // Resolve for the method based on argument types
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  @Override
  public ObjectInspector initialize(ObjectInspector[] arguments)
      throws UDFArgumentException {
    if (arguments.length != 2) {
      throw new UDFArgumentException("Invalid number of arguments.");
    }

    converterArg0 = ObjectInspectorConverters.getConverter(arguments[0],
        PrimitiveObjectInspectorFactory.writableStringObjectInspector);
    converterArg1 = ObjectInspectorConverters.getConverter(arguments[1],
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  }

  @Override
  public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 2) {
      throw new UDFArgumentException(opName + " requires two arguments.");
    }

    for (int i = 0; i < 2; i++) {
      Category category = arguments[i].getCategory();
      if (category != Category.PRIMITIVE) {
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  @Override
  public StructObjectInspector initialize(ObjectInspector[] args)
      throws UDFArgumentException {
    if (args.length < 2)  {
      throw new UDFArgumentException("STACK() expects at least two arguments.");
    }
    if (!(args[0] instanceof WritableConstantIntObjectInspector)) {
      throw new UDFArgumentException(
          "The first argument to STACK() must be a constant integer (got " +
          args[0].getTypeName() + " instead).");
    }
    numRows =
        ((WritableConstantIntObjectInspector)args[0]).getWritableConstantValue();

    if (numRows == null || numRows.get() < 1) {
      throw new UDFArgumentException(
          "STACK() expects its first argument to be >= 1.");
    }

    // Divide and round up.
    numCols = (args.length - 1 + numRows.get() - 1) / numRows.get();

    for (int jj = 0; jj < numCols; ++jj) {
      returnOIResolvers.add(new ReturnObjectInspectorResolver());
      for (int ii = 0; ii < numRows.get(); ++ii) {
        int index = ii * numCols + jj + 1;
        if (index < args.length &&
            !returnOIResolvers.get(jj).update(args[index])) {
          throw new UDFArgumentException(
              "Argument " + (jj + 1) + "'s type (" +
              args[jj + 1].getTypeName() + ") should be equal to argument " +
              index + "'s type (" + args[index].getTypeName() + ")");
        }
      }
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  }

  @Override
  public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 1) {
      throw new UDFArgumentException("CHAR cast requires a value argument");
    }
    try {
      argumentOI = (PrimitiveObjectInspector) arguments[0];
    } catch (ClassCastException e) {
      throw new UDFArgumentException(
          "The function CHAR takes only primitive types");
    }

    // Check if this UDF has been provided with type params for the output char type
    SettableHiveCharObjectInspector outputOI;
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