Examples of exprNodeConstantDesc

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

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

  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) {
      args.add(planExpr);

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

            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),

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

        // "." : FIELD Expression
        assert (children.size() == 2);
        // Only allow constant field name for now
        assert (children.get(1) instanceof ExprNodeConstantDesc);
        ExprNodeDesc object = children.get(0);
        ExprNodeConstantDesc fieldName = (ExprNodeConstantDesc) children.get(1);
        assert (fieldName.getValue() instanceof String);


        // Calculate result TypeInfo
        String fieldNameString = (String) fieldName.getValue();
        TypeInfo objectTypeInfo = object.getTypeInfo();


        // Allow accessing a field of list element structs directly from a list
        boolean isList = (object.getTypeInfo().getCategory() == ObjectInspector.Category.LIST);
        if (isList) {

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

      }
      if (v == null) {
        throw new SemanticException(ErrorMsg.INVALID_NUMERICAL_CONSTANT
            .getMsg(expr));
      }
      return new ExprNodeConstantDesc(v);
    }

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

        // HiveParser.identifier | HiveParse.KW_IF | HiveParse.KW_LEFT |
        // HiveParse.KW_RIGHT
        str = BaseSemanticAnalyzer.unescapeIdentifier(expr.getText());
        break;
      }
      return new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, str);
    }

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

        bool = Boolean.FALSE;
        break;
      default:
        assert false;
      }
      return new ExprNodeConstantDesc(TypeInfoFactory.booleanTypeInfo, bool);
    }

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


      // we will clone here as RS will update bucket column key with its
      // corresponding with bucket number and hence their OIs
      for (Integer idx : keyColsPosInVal) {
        if (idx < 0) {
          newKeyCols.add(new ExprNodeConstantDesc(TypeInfoFactory
              .getPrimitiveTypeInfoFromPrimitiveWritable(IntWritable.class), -1));
        } else {
          newKeyCols.add(newValueCols.get(idx).clone());
        }
      }

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

        }
        // Create the corresponding hive expression to filter on partition columns.
        ExprNodeColumnDesc column = new ExprNodeColumnDesc(
            TypeInfoFactory.getPrimitiveTypeInfo(type), key, null, true);
        ExprNodeGenericFuncDesc op = makeBinaryPredicate(
            operator, column, new ExprNodeConstantDesc(val));
        // If it's multi-expr filter (e.g. a='5', b='2012-01-02'), AND with previous exprs.
        expr = (expr == null) ? op : makeBinaryPredicate("and", expr, op);
        names.add(key);
      }
      if (expr == null) continue;

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

  }


  public void testSerializeTimestamp() {
    Timestamp ts = new Timestamp(1374554702000L);
    ts.setNanos(123456);
    ExprNodeConstantDesc constant = new ExprNodeConstantDesc(ts);
    List<ExprNodeDesc> children = new ArrayList<ExprNodeDesc>(1);
    children.add(constant);
    ExprNodeGenericFuncDesc desc = new ExprNodeGenericFuncDesc(TypeInfoFactory.timestampTypeInfo,
      new GenericUDFFromUtcTimestamp(), children);
    assertEquals(desc.getExprString(), Utilities.deserializeExpression(

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