ql/src/gen/vectorization/TestTemplates/TestColumnColumnOperationVectorExpressionEvaluation.txt

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  @Test
  public void <TestName>() throws HiveException {

    Random rand = new Random(SEED);

    <OutputColumnVectorType> outputColumnVector =
      VectorizedRowGroupGenUtil.generate<OutputColumnVectorType>(<InitOuputColHasNulls>,
      <InitOuputColIsRepeating>, BATCH_SIZE, rand);

    <InputColumnVectorType1> inputColumnVector1 =
      VectorizedRowGroupGenUtil.generate<InputColumnVectorType1>(<Column1HasNulls>,
      <Column1IsRepeating>, BATCH_SIZE, rand);

    <InputColumnVectorType2> inputColumnVector2 =
      VectorizedRowGroupGenUtil.generate<InputColumnVectorType2>(<Column2HasNulls>,
      <Column2IsRepeating>, BATCH_SIZE, rand);

    VectorizedRowBatch rowBatch = new VectorizedRowBatch(3, BATCH_SIZE);
    rowBatch.cols[0] = inputColumnVector1;
    rowBatch.cols[1] = inputColumnVector2;
    rowBatch.cols[2] = outputColumnVector;

    <VectorExpClassName> vectorExpression =
      new <VectorExpClassName>(0, 1, 2);

    vectorExpression.evaluate(rowBatch);

    assertEquals(
        "Output column vector repeating state does not match operand columns",
        (!inputColumnVector1.noNulls && inputColumnVector1.isRepeating)
        || (!inputColumnVector2.noNulls && inputColumnVector2.isRepeating)
        || inputColumnVector1.isRepeating && inputColumnVector2.isRepeating,
        outputColumnVector.isRepeating);

    /*
     We no longer set noNulls to the input ColumnVector's value since that doesn't work
     for scratch column reuse.
    assertEquals(
        "Output column vector no nulls state does not match operand columns",
        inputColumnVector1.noNulls && inputColumnVector2.noNulls, outputColumnVector.noNulls);
    */

    //if repeating, only the first value matters
    if(!outputColumnVector.noNulls && !outputColumnVector.isRepeating) {
      for(int i = 0; i < BATCH_SIZE; i++) {
        //null vectors are safe to check, as they are always initialized to match the data vector
        assertEquals("Output vector doesn't match input vectors' is null state for index",
          inputColumnVector1.isNull[i] || inputColumnVector2.isNull[i],
          outputColumnVector.isNull[i]);
      }
    }
  }