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

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

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      ois.add(VirtualColumn.getVCSObjectInspector(vcs));
    }
    StructObjectInspector rowWithPartObjectInspector = ObjectInspectorFactory
        .getUnionStructObjectInspector(ois);

    ExprNodeEvaluator evaluator = ExprNodeEvaluatorFactory
        .get(expr);
    ObjectInspector evaluateResultOI = evaluator
        .initialize(rowWithPartObjectInspector);
    Object evaluateResultO = evaluator.evaluate(rowWithPart);

    return ((PrimitiveObjectInspector) evaluateResultOI)
        .getPrimitiveJavaObject(evaluateResultO);
  }
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      partObjectInspectors.add(PrimitiveObjectInspectorFactory.javaStringObjectInspector);
    }
    StructObjectInspector objectInspector = ObjectInspectorFactory
        .getStandardStructObjectInspector(partNames, partObjectInspectors);

    ExprNodeEvaluator evaluator = ExprNodeEvaluatorFactory.get(expr);
    ObjectInspector evaluateResultOI = evaluator.initialize(objectInspector);
    return ObjectPair.create((PrimitiveObjectInspector)evaluateResultOI, evaluator);
  }
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      throws HiveException {
    PTFExpressionDef argDef = new PTFExpressionDef();

    ExprNodeDesc exprNode = semAly.genExprNodeDesc(arg, inpShape.getRr(),
        inpShape.getTypeCheckCtx());
    ExprNodeEvaluator exprEval = WindowingExprNodeEvaluatorFactory.get(llInfo, exprNode);
    ObjectInspector oi = initExprNodeEvaluator(exprEval, exprNode, inpShape);

    argDef.setExpressionTreeString(arg.toStringTree());
    argDef.setExprNode(exprNode);
    argDef.setExprEvaluator(exprEval);
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    if (llFuncExprs != null)
    {
      for (ExprNodeGenericFuncDesc llFuncExpr : llFuncExprs)
      {
        ExprNodeDesc firstArg = llFuncExpr.getChildren().get(0);
        ExprNodeEvaluator dupExprEval = WindowingExprNodeEvaluatorFactory.get(llInfo, firstArg);
        dupExprEval.initialize(inpShape.getOI());
        GenericUDFLeadLag llFn = (GenericUDFLeadLag) llFuncExpr.getGenericUDF();
        llFn.setExprEvaluator(dupExprEval);
      }
    }
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            continue;
          }
        }
        return null;
      }
      ExprNodeEvaluator evaluator = ExprNodeEvaluatorFactory.get(func);
      ObjectInspector output = evaluator.initialize(null);

      Object constant = evaluator.evaluate(null);
      Object java = ObjectInspectorUtils.copyToStandardJavaObject(constant, output);

      return new ExprNodeConstantDesc(java);
    } catch (Exception e) {
      return null;
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  {
    PTFExpressionDef argDef = new PTFExpressionDef();

    ExprNodeDesc exprNode = semAly.genExprNodeDesc(arg, inpShape.getRr(),
        inpShape.getTypeCheckCtx());
    ExprNodeEvaluator exprEval = WindowingExprNodeEvaluatorFactory.get(llInfo, exprNode);
    ObjectInspector oi = initExprNodeEvaluator(exprEval, exprNode, inpShape);

    argDef.setExpressionTreeString(arg.toStringTree());
    argDef.setExprNode(exprNode);
    argDef.setExprEvaluator(exprEval);
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    if (llFuncExprs != null)
    {
      for (ExprNodeGenericFuncDesc llFuncExpr : llFuncExprs)
      {
        ExprNodeDesc firstArg = llFuncExpr.getChildren().get(0);
        ExprNodeEvaluator dupExprEval = WindowingExprNodeEvaluatorFactory.get(llInfo, firstArg);
        dupExprEval.initialize(inpShape.getOI());
        GenericUDFLeadLag llFn = (GenericUDFLeadLag) llFuncExpr.getGenericUDF();
        llFn.setExprEvaluator(dupExprEval);
      }
    }
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    ois.add(rowObjectInspector);
    ois.add(partObjectInspector);
    StructObjectInspector rowWithPartObjectInspector = ObjectInspectorFactory
        .getUnionStructObjectInspector(ois);

    ExprNodeEvaluator evaluator = ExprNodeEvaluatorFactory
        .get(expr);
    ObjectInspector evaluateResultOI = evaluator
        .initialize(rowWithPartObjectInspector);
    Object evaluateResultO = evaluator.evaluate(rowWithPart);

    return ((PrimitiveObjectInspector) evaluateResultOI)
        .getPrimitiveJavaObject(evaluateResultO);
  }
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