Examples of DoubleColumnVector

org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector
This class represents a nullable double precision floating point column vector. This class will be used for operations on all floating point types (float, double) and as such will use a 64-bit double value to hold the biggest possible value. During copy-in/copy-out, smaller types (i.e. float) will be converted as needed. This will reduce the amount of code that needs to be generated and also will run fast since the machine operates with 64-bit words. The vector[] field is public by design for high-performance access in the inner loop of query execution.

Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

    LongColumnVector booleanColumn = (LongColumnVector) value.cols[0];
    LongColumnVector byteColumn = (LongColumnVector) value.cols[1];
    LongColumnVector shortColumn = (LongColumnVector) value.cols[2];
    LongColumnVector intColumn = (LongColumnVector) value.cols[3];
    LongColumnVector longColumn = (LongColumnVector) value.cols[4];
    DoubleColumnVector floatColumn = (DoubleColumnVector) value.cols[5];
    DoubleColumnVector doubleCoulmn = (DoubleColumnVector) value.cols[6];
    BytesColumnVector stringColumn = (BytesColumnVector) value.cols[7];
    DecimalColumnVector decimalColumn = (DecimalColumnVector) value.cols[8];
    LongColumnVector dateColumn = (LongColumnVector) value.cols[9];
    LongColumnVector timestampColumn = (LongColumnVector) value.cols[10];
    for(int i=0; i < 100; i++) {

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

      return result;
    }


    @Override
    Object nextVector(Object previousVector, long batchSize) throws IOException {
      DoubleColumnVector result = null;
      if (previousVector == null) {
        result = new DoubleColumnVector();
      } else {
        result = (DoubleColumnVector) previousVector;
      }


      // Read present/isNull stream

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

      return result;
    }


    @Override
    Object nextVector(Object previousVector, long batchSize) throws IOException {
      DoubleColumnVector result = null;
      if (previousVector == null) {
        result = new DoubleColumnVector();
      } else {
        result = (DoubleColumnVector) previousVector;
      }


      // Read present/isNull stream

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

    LongColumnVector booleanColumn = (LongColumnVector) value.cols[0];
    LongColumnVector byteColumn = (LongColumnVector) value.cols[1];
    LongColumnVector shortColumn = (LongColumnVector) value.cols[2];
    LongColumnVector intColumn = (LongColumnVector) value.cols[3];
    LongColumnVector longColumn = (LongColumnVector) value.cols[4];
    DoubleColumnVector floatColumn = (DoubleColumnVector) value.cols[5];
    DoubleColumnVector doubleCoulmn = (DoubleColumnVector) value.cols[6];
    BytesColumnVector stringColumn = (BytesColumnVector) value.cols[7];
    DecimalColumnVector decimalColumn = (DecimalColumnVector) value.cols[8];
    LongColumnVector dateColumn = (LongColumnVector) value.cols[9];
    LongColumnVector timestampColumn = (LongColumnVector) value.cols[10];
    for(int i=0; i < 100; i++) {

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

      return result;
    }


    @Override
    Object nextVector(Object previousVector, long batchSize) throws IOException {
      DoubleColumnVector result = null;
      if (previousVector == null) {
        result = new DoubleColumnVector();
      } else {
        result = (DoubleColumnVector) previousVector;
      }


      // Read present/isNull stream

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

      return result;
    }


    @Override
    Object nextVector(Object previousVector, long batchSize) throws IOException {
      DoubleColumnVector result = null;
      if (previousVector == null) {
        result = new DoubleColumnVector();
      } else {
        result = (DoubleColumnVector) previousVector;
      }


      // Read present/isNull stream

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector


  private VectorizedRowBatch getBatchStrDblLongWithStrOut() {
    VectorizedRowBatch b = new VectorizedRowBatch(4);
    BytesColumnVector strCol = new BytesColumnVector();
    LongColumnVector longCol = new LongColumnVector();
    DoubleColumnVector dblCol = new DoubleColumnVector();
    BytesColumnVector outCol = new BytesColumnVector();
    b.cols[0] = strCol;
    b.cols[1] = longCol;
    b.cols[2] = dblCol;
    b.cols[3] = outCol;

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

    VectorizedRowBatch batch =
        TestVectorArithmeticExpressions.getVectorizedRowBatch2LongInDoubleOut();
    LongColDivideLongScalar expr = new LongColDivideLongScalar(0, 100, 2);
    batch.cols[0].isNull[0] = true;
    batch.cols[0].noNulls = false;
    DoubleColumnVector out = (DoubleColumnVector) batch.cols[2];
    out.noNulls = true;     // set now so we can verify it changed
    out.isRepeating = true;
    expr.evaluate(batch);


    // verify NULL output in entry 0 is correct

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

    VectorizedRowBatch batch =
        TestVectorArithmeticExpressions.getVectorizedRowBatch2LongInDoubleOut();
    LongScalarDivideLongColumn expr = new LongScalarDivideLongColumn(100, 0, 2);
    batch.cols[0].isNull[1] = true;
    batch.cols[0].noNulls = false;
    DoubleColumnVector out = (DoubleColumnVector) batch.cols[2];
    out.noNulls = true;     // set now so we can verify it changed
    out.isRepeating = true;
    expr.evaluate(batch);


    // verify zero-divide result for position 0

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Examples of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector

    lcv2 = new LongColumnVector();
    batch.cols[1] = lcv2;
    for (int i = 0; i < VectorizedRowBatch.DEFAULT_SIZE; i++) {
      lcv2.vector[i] = i * 37;
    }
    batch.cols[2] = new DoubleColumnVector();
    batch.size = VectorizedRowBatch.DEFAULT_SIZE;
    return batch;
  }

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