@Override
  public String vectorExpressionParameters() {
    return "val " + value + ", " + getColumnParamString(1, inputColumnNum[0]);
  }
This operation is handled as a special case because Hive
long/long division returns double. This file is thus not generated
from a template like the other arithmetic operations are.
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/LongScalarDivideLongColumn.java