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

Examples of org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.initBuffer()

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  @Test
  // Load a BytesColumnVector by copying in large data, enough to force
  // the buffer to expand.
  public void testLoadBytesColumnVectorByValueLargeData()  {
    BytesColumnVector bcv = new BytesColumnVector(VectorizedRowBatch.DEFAULT_SIZE);
    bcv.initBuffer(10); // initialize with estimated element size 10
    String s = "0123456789";
    while (s.length() < 500) {
      s += s;
    }
    byte[] b = null;
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    // create a batch with two string ("Bytes") columns
    VectorizedRowBatch batch = new VectorizedRowBatch(2, VectorizedRowBatch.DEFAULT_SIZE);
    BytesColumnVector v = new BytesColumnVector(VectorizedRowBatch.DEFAULT_SIZE);
    batch.cols[0] = v;
    BytesColumnVector outV = new BytesColumnVector(VectorizedRowBatch.DEFAULT_SIZE);
    outV.initBuffer();
    batch.cols[1] = outV;
    /*
     * Add these 3 values:
     *
     * mixedUp
 
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    VectorizedRowBatch vrb = VectorizedRowGroupGenUtil.getVectorizedRowBatch(
        3, 2, seed);
    vrb.cols[0] = new BytesColumnVector();
    BytesColumnVector bcv = (BytesColumnVector) vrb.cols[0];

    bcv.initBuffer();
    bcv.setVal(0, a, 0, 1);
    bcv.setVal(1, b, 0, 1);
    bcv.setVal(2, c, 0, 1);

    VectorExpression expr = new FilterStringColumnNotBetween(0, b, c);
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    VectorizedRowBatch vrb = VectorizedRowGroupGenUtil.getVectorizedRowBatch(
        3, 2, seed);
    vrb.cols[0] = new BytesColumnVector();
    BytesColumnVector bcv = (BytesColumnVector) vrb.cols[0];

    bcv.initBuffer();
    bcv.setVal(0, a, 0, 1);
    bcv.setVal(1, b, 0, 1);
    bcv.setVal(2, c, 0, 1);

    VectorExpression expr = new FilterStringColumnInList(0);
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    LongColumnVector inputColVector = (LongColumnVector) batch.cols[inputCol];
    int[] sel = batch.selected;
    int n = batch.size;
    long[] vector = inputColVector.vector;
    BytesColumnVector outV = (BytesColumnVector) batch.cols[outputCol];
    outV.initBuffer();

    if (n == 0) {
      //Nothing to do
      return;
    }
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    int n = batch.size;
    byte[][] vector = inputColVector.vector;
    int start[] = inputColVector.start;
    int length[] = inputColVector.length;
    BytesColumnVector outV = (BytesColumnVector) batch.cols[outputColumn];
    outV.initBuffer();

    if (n == 0) {
      //Nothing to do
      return;
    }
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    // return immediately if batch is empty
    if (n == 0) {
      return;
    }

    outputColVector.initBuffer();

    /* All the code paths below propagate nulls even if arg2 has no nulls.
     * This is to reduce the number of code paths and shorten the
     * code, at the expense of maybe doing unnecessary work if neither input
     * has nulls. This could be improved in the future by expanding the number
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    byte[][] vector = inV.vector;
    int[] sel = batch.selected;
    int[] len = inV.length;
    int[] start = inV.start;
    outV.initBuffer();

    if (inV.isRepeating) {
      outV.isRepeating = true;
      if (!inV.noNulls && inV.isNull[0]) {
        outV.isNull[0] = true;
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    DecimalColumnVector inV = (DecimalColumnVector) batch.cols[inputColumn];
    int[] sel = batch.selected;
    int n = batch.size;
    BytesColumnVector outV = (BytesColumnVector) batch.cols[outputColumn];
    outV.initBuffer();

    if (n == 0) {
      //Nothing to do
      return;
    }
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      // Nothing to do
      return;
    }

    // initialize output vector buffer to receive data
    outV.initBuffer();

    if (inputColVector.noNulls) {
      outV.noNulls = true;
      if (inputColVector.isRepeating) {
        outV.isRepeating = true;
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