Examples of UDFType

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

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    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;
      }
    }

    if (genericUDF instanceof GenericUDFMacro) {
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Examples of org.apache.hadoop.hive.ql.udf.UDFType

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  /**
   * 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;
      }
    }

    if (genericUDF instanceof GenericUDFMacro) {
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Examples of org.apache.hadoop.hive.ql.udf.UDFType

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  public static boolean impliesOrder(String functionName) {

    FunctionInfo info = mFunctions.get(functionName.toLowerCase());
    if (info != null) {
      if (info.isGenericUDF()) {
        UDFType type = info.getGenericUDF().getClass().getAnnotation(UDFType.class);
        if (type != null) {
          return type.impliesOrder();
        }
      }
    }
    WindowFunctionInfo windowInfo = windowFunctions.get(functionName.toLowerCase());
    if (windowInfo != null) {
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Examples of org.apache.hadoop.hive.ql.udf.UDFType

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  /**
   * 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

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    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

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  /**
   * 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

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  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

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    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

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  /**
   * 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

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        Object... nodeOutputs) throws SemanticException {
      ExprWalkerInfo ctx = (ExprWalkerInfo) procCtx;
      String alias = null;
      exprNodeFuncDesc expr = (exprNodeFuncDesc) nd;

      UDFType note = expr.getUDFClass().getAnnotation(UDFType.class);
      if(note != null && !note.deterministic()) {
        // this UDF can't be pushed down
        ctx.setIsCandidate(expr, false);
        ctx.setDeterministic(false);
        return false;
      }
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