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

Examples of org.apache.hadoop.hive.ql.exec.vector.expressions.gen.FuncRoundDoubleToDouble.evaluate()

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  public void testVectorRound() {
    VectorizedRowBatch b = getVectorizedRowBatchDoubleInDoubleOut();
    VectorExpression expr = new FuncRoundDoubleToDouble(0, 1);
    DoubleColumnVector resultV = (DoubleColumnVector) b.cols[1];
    b.cols[0].noNulls = true;
    expr.evaluate(b);
    Assert.assertEquals(-2d, resultV.vector[0]);
    Assert.assertEquals(-1d, resultV.vector[1]);
    Assert.assertEquals(0d, resultV.vector[2]);
    Assert.assertEquals(0d, resultV.vector[3]);
    Assert.assertEquals(1d, resultV.vector[4]);
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    // spot check null propagation
    b.cols[0].noNulls = false;
    b.cols[0].isNull[3] = true;
    resultV.noNulls = true;
    expr.evaluate(b);
    Assert.assertEquals(true, resultV.isNull[3]);
    Assert.assertEquals(false, resultV.noNulls);

    // check isRepeating propagation
    b.cols[0].isRepeating = true;
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    Assert.assertEquals(false, resultV.noNulls);

    // check isRepeating propagation
    b.cols[0].isRepeating = true;
    resultV.isRepeating = false;
    expr.evaluate(b);
    Assert.assertEquals(-2d, resultV.vector[0]);
    Assert.assertEquals(true, resultV.isRepeating);

    resultV.isRepeating = false;
    b.cols[0].noNulls = true;
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    Assert.assertEquals(-2d, resultV.vector[0]);
    Assert.assertEquals(true, resultV.isRepeating);

    resultV.isRepeating = false;
    b.cols[0].noNulls = true;
    expr.evaluate(b);
    Assert.assertEquals(-2d, resultV.vector[0]);
    Assert.assertEquals(true, resultV.isRepeating);
  }

  @Test
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