Package org.apache.hadoop.hive.ql.plan

Examples of org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc

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      // col1
      exprNodeDesc exprDesc1 = TestExecDriver.getStringColumn("col1");

      // col2
      exprNodeDesc expr1 = TestExecDriver.getStringColumn("col0");
      exprNodeDesc expr2 = new exprNodeConstantDesc("1");
      exprNodeDesc exprDesc2 = TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat", expr1, expr2);

      // select operator to project these two columns
      ArrayList<exprNodeDesc> earr = new ArrayList<exprNodeDesc> ();
      earr.add(exprDesc1);
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      // col1
      exprNodeDesc exprDesc1 = TestExecDriver.getStringColumn("col1");

      // col2
      exprNodeDesc expr1 = TestExecDriver.getStringColumn("col0");
      exprNodeDesc expr2 = new exprNodeConstantDesc("1");
      exprNodeDesc exprDesc2 = TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat", expr1, expr2);

      // select operator to project these two columns
      ArrayList<exprNodeDesc> earr = new ArrayList<exprNodeDesc> ();
      earr.add(exprDesc1);
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    ArrayList<String> columnNames = new ArrayList<String>();
    Map<String, exprNodeDesc> colExprMap = new HashMap<String, exprNodeDesc>();
    for (int i=0; i<col_list.size(); i++) {
      // Replace NULL with CAST(NULL AS STRING)
      if (col_list.get(i) instanceof exprNodeNullDesc) {
        col_list.set(i, new exprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, null));
      }
      String outputCol = getColumnInternalName(i);
      colExprMap.put(outputCol, col_list.get(i));
      columnNames.add(outputCol);
    }
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  private exprNodeDesc genSamplePredicate(TableSample ts, List<String> bucketCols,
                                      boolean useBucketCols, String alias,
                                      RowResolver rwsch, QBMetaData qbm, exprNodeDesc planExpr)
    throws SemanticException {
   
    exprNodeDesc numeratorExpr = new exprNodeConstantDesc(
        TypeInfoFactory.intTypeInfo,
        Integer.valueOf(ts.getNumerator() - 1));
     
    exprNodeDesc denominatorExpr = new exprNodeConstantDesc(
        TypeInfoFactory.intTypeInfo,
        Integer.valueOf(ts.getDenominator()));

    exprNodeDesc intMaxExpr = new exprNodeConstantDesc(
        TypeInfoFactory.intTypeInfo,
        Integer.valueOf(Integer.MAX_VALUE));
   
    ArrayList<exprNodeDesc> args = new ArrayList<exprNodeDesc>();
    if (planExpr != null)
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            int freq = conf.getIntVar(HiveConf.ConfVars.HIVETESTMODESAMPLEFREQ);
            TableSample tsSample = new TableSample(1, freq);
            tsSample.setInputPruning(false);
            qb.getParseInfo().setTabSample(alias, tsSample);
            LOG.info("Need sample filter");
            exprNodeDesc randFunc = TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("rand", new exprNodeConstantDesc(Integer.valueOf(460476415)));
            exprNodeDesc samplePred = genSamplePredicate(tsSample, null, false, alias, rwsch, qb.getMetaData(), randFunc);
            tableOp = OperatorFactory.getAndMakeChild(new filterDesc(samplePred, true), top);
          }
        }
      }
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    for (int i = 0; i < parametersPassed.size(); i++) {
      exprNodeDesc descPassed = parametersPassed.get(i);
      TypeInfo typeInfoPassed = descPassed.getTypeInfo();
      TypeInfo typeInfoAccepted = parametersAccepted.get(i);
      if (descPassed instanceof exprNodeNullDesc) {
        exprNodeConstantDesc newCh = new exprNodeConstantDesc(typeInfoAccepted, null);
        newParameters.add(newCh);
      } else if (typeInfoAccepted.equals(typeInfoPassed)
          || typeInfoAccepted.equals(TypeInfoFactory.unknownTypeInfo)
          || (typeInfoAccepted.equals(TypeInfoFactory.unknownMapTypeInfo)
              && typeInfoPassed.getCategory().equals(Category.MAP))
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      throw e;
    }
  }

  private static exprNodeDesc getListIndexNode(exprNodeDesc node, int index) {
    return getListIndexNode(node, new exprNodeConstantDesc(index));
  }
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      int basetimes = 100000;
      measureSpeed("1 + 2",
          basetimes * 100,
          ExprNodeEvaluatorFactory.get(
              TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("+",
                  new exprNodeConstantDesc(1),
                  new exprNodeConstantDesc(2))),
          r,
          Integer.valueOf(1 + 2));
      measureSpeed("1 + 2 - 3",
          basetimes * 100,
          ExprNodeEvaluatorFactory.get(
              TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("-",
                  TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("+",
                      new exprNodeConstantDesc(1),
                      new exprNodeConstantDesc(2)),
                  new exprNodeConstantDesc(3))),
          r,
          Integer.valueOf(1 + 2 - 3));
      measureSpeed("1 + 2 - 3 + 4",
          basetimes * 100,
          ExprNodeEvaluatorFactory.get(
              TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("+",
                  TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("-",
                      TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("+",
                          new exprNodeConstantDesc(1),
                          new exprNodeConstantDesc(2)),
                      new exprNodeConstantDesc(3)),
                  new exprNodeConstantDesc(4))),                     
          r,
          Integer.valueOf(1 + 2 - 3 + 4));
      measureSpeed("concat(\"1\", \"2\")",
          basetimes * 100,
          ExprNodeEvaluatorFactory.get(
              TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat",
                  new exprNodeConstantDesc("1"),
                  new exprNodeConstantDesc("2"))),
          r,
          "12");
      measureSpeed("concat(concat(\"1\", \"2\"), \"3\")",
          basetimes * 100,
          ExprNodeEvaluatorFactory.get(
              TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat",
                  TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat",
                      new exprNodeConstantDesc("1"),
                      new exprNodeConstantDesc("2")),
                  new exprNodeConstantDesc("3"))),
          r,
          "123");
      measureSpeed("concat(concat(concat(\"1\", \"2\"), \"3\"), \"4\")",
          basetimes * 100,
          ExprNodeEvaluatorFactory.get(
              TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat",
                TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat",
                    TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat",
                        new exprNodeConstantDesc("1"),
                        new exprNodeConstantDesc("2")),
                    new exprNodeConstantDesc("3")),
                new exprNodeConstantDesc("4"))),
          r,
          "1234");
      exprNodeDesc constant1 = new exprNodeConstantDesc(1);
      exprNodeDesc constant2 = new exprNodeConstantDesc(2);
      measureSpeed("concat(col1[1], cola[1])",
          basetimes * 10,
          ExprNodeEvaluatorFactory.get(
              TypeCheckProcFactory.DefaultExprProcessor.getFuncExprNodeDesc("concat",
                  getListIndexNode(new exprNodeColumnDesc(col1Type, "col1", "", false), constant1),
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      exprNodeColumnDesc cd = (exprNodeColumnDesc) nd;
      ExprProcCtx epc = (ExprProcCtx) procCtx;
      if (cd.getTabAlias().equalsIgnoreCase(epc.getTabAlias()) && cd.getIsParititonCol())
        newcd = cd.clone();
      else {
        newcd = new exprNodeConstantDesc(cd.getTypeInfo(), null);
        epc.setHasNonPartCols(true);
      }
     
      return newcd;
    }
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        }
   
      if (fd.getUDFClass().getAnnotation(UDFType.class) != null &&
          (fd.getUDFClass().getAnnotation(UDFType.class).deterministic() == false ||
           unknown))
        newfd = new exprNodeConstantDesc(fd.getTypeInfo(), null);
      else {
        // Create the list of children
        ArrayList<exprNodeDesc> children = new ArrayList<exprNodeDesc>();
        for(Object child: nodeOutputs) {
          children.add((exprNodeDesc) child);
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