Examples of UDFType

org.apache.hadoop.hive.ql.udf.UDFType

Examples of org.apache.hadoop.hive.ql.udf.UDFType


  /**
   * Returns whether a GenericUDF is deterministic or not.
   */
  public static boolean isDeterministic(GenericUDF genericUDF) {
    UDFType genericUDFType = genericUDF.getClass().getAnnotation(UDFType.class);
    if (genericUDFType != null && genericUDFType.deterministic() == false) {
      return false;
    }


    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) (genericUDF);
      UDFType bridgeUDFType = bridge.getUdfClass().getAnnotation(UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.deterministic() == false) {
        return false;
      }
    }


    return true;

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Examples of org.apache.hadoop.hive.ql.udf.UDFType

    }
    return desc;
  }


  private static boolean isDeterministicUdf(GenericUDF udf) {
    UDFType udfType = udf.getClass().getAnnotation(UDFType.class);
    if (udf instanceof GenericUDFBridge) {
      udfType = ((GenericUDFBridge) udf).getUdfClass().getAnnotation(UDFType.class);
    }
    if (udfType.deterministic() == false) {
      return false;
    }


    // If udf is requiring additional jars, we can't determine the result in
    // compile time.

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Examples of org.apache.hadoop.hive.ql.udf.UDFType

  public boolean isDistinctLike() {
    ArrayList<AggregationDesc> aggregators = getAggregators();
    for (AggregationDesc ad : aggregators) {
      if (!ad.getDistinct()) {
        GenericUDAFEvaluator udafEval = ad.getGenericUDAFEvaluator();
        UDFType annot = AnnotationUtils.getAnnotation(udafEval.getClass(), UDFType.class);
        if (annot == null || !annot.distinctLike()) {
          return false;
        }
      }
    }
    return true;

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Examples of org.apache.hadoop.hive.ql.udf.UDFType

    if (isStateful(genericUDF)) {
      // stateful implies non-deterministic, regardless of whatever
      // the deterministic annotation declares
      return false;
    }
    UDFType genericUDFType = AnnotationUtils.getAnnotation(genericUDF.getClass(), UDFType.class);
    if (genericUDFType != null && genericUDFType.deterministic() == false) {
      return false;
    }


    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) (genericUDF);
      UDFType bridgeUDFType = AnnotationUtils.getAnnotation(bridge.getUdfClass(), UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.deterministic() == false) {
        return false;
      }
    }


    if (genericUDF instanceof GenericUDFMacro) {

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Examples of org.apache.hadoop.hive.ql.udf.UDFType


  /**
   * Returns whether a GenericUDF is stateful or not.
   */
  public static boolean isStateful(GenericUDF genericUDF) {
    UDFType genericUDFType = AnnotationUtils.getAnnotation(genericUDF.getClass(), UDFType.class);
    if (genericUDFType != null && genericUDFType.stateful()) {
      return true;
    }


    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) genericUDF;
      UDFType bridgeUDFType = AnnotationUtils.getAnnotation(bridge.getUdfClass(), UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.stateful()) {
        return true;
      }
    }


    if (genericUDF instanceof GenericUDFMacro) {

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Examples of org.apache.hadoop.hive.ql.udf.UDFType

  public static boolean impliesOrder(String functionName) {


    FunctionInfo info = getFunctionInfo(functionName);
    if (info != null) {
      if (info.isGenericUDF()) {
        UDFType type =
            AnnotationUtils.getAnnotation(info.getGenericUDF().getClass(), UDFType.class);
        if (type != null) {
          return type.impliesOrder();
        }
      }
    }
    WindowFunctionInfo windowInfo = getWindowFunctionInfo(functionName);
    if (windowInfo != null) {

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Examples of org.apache.hadoop.hive.ql.udf.UDFType

    if (isStateful(genericUDF)) {
      // stateful implies non-deterministic, regardless of whatever
      // the deterministic annotation declares
      return false;
    }
    UDFType genericUDFType = genericUDF.getClass().getAnnotation(UDFType.class);
    if (genericUDFType != null && genericUDFType.deterministic() == false) {
      return false;
    }


    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) (genericUDF);
      UDFType bridgeUDFType = bridge.getUdfClass().getAnnotation(UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.deterministic() == false) {
        return false;
      }
    }


    return true;

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Examples of org.apache.hadoop.hive.ql.udf.UDFType


  /**
   * Returns whether a GenericUDF is stateful or not.
   */
  public static boolean isStateful(GenericUDF genericUDF) {
    UDFType genericUDFType = genericUDF.getClass().getAnnotation(UDFType.class);
    if (genericUDFType != null && genericUDFType.stateful()) {
      return true;
    }


    if (genericUDF instanceof GenericUDFBridge) {
      GenericUDFBridge bridge = (GenericUDFBridge) genericUDF;
      UDFType bridgeUDFType = bridge.getUdfClass().getAnnotation(UDFType.class);
      if (bridgeUDFType != null && bridgeUDFType.stateful()) {
        return true;
      }
    }


    return false;

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Examples of org.apache.hadoop.hive.ql.udf.UDFType

  public boolean isDistinctLike() {
    ArrayList<AggregationDesc> aggregators = getAggregators();
    for(AggregationDesc ad: aggregators){
      if(!ad.getDistinct()) {
        GenericUDAFEvaluator udafEval = ad.getGenericUDAFEvaluator();
        UDFType annot = udafEval.getClass().getAnnotation(UDFType.class);
        if(annot == null || !annot.distinctLike()) {
          return false;
        }
      }
    }
    return true;

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Examples of org.apache.hadoop.hive.ql.udf.UDFType

      for(int i=0; i<names.length; i++) names[i] = names[i].trim();
    }else{
      names = new String[]{clazz.getName().replace('.', '_')};
    }
    
    UDFType type = clazz.getAnnotation(UDFType.class);
    if (type != null && type.deterministic()) nonDeterministicUDFs.add(clazz);




    for(int i=0; i<names.length;i++){
      methods.put(names[i].toLowerCase(), clazz);
    }

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