(sizeMatters && (columnA.getSize() != columnB.getSize())) ||
(sizeMatters && (!columnA.getSize().equals(columnB.getSize()))) || !defaultsEqual /*||
    protected boolean columnsDiffer(Column columnA, Column columnB)    {        //The createColumn method leaves off the default clause if column.getDefaultValue()        //is null.  mySQL interprets this as a default of "" or 0, and thus the columns        //are always different according to this method.  alterDatabase will generate        //an alter statement for the column, but it will be the exact same definition        //as before.  In order to avoid this situation I am ignoring the comparison        //if the desired default is null.  In order to "un-default" a column you'll        //have to have a default="" or default="0" in the schema xml.        //If this is bad for other databases, it is recommended that the createColumn        //method use a "DEFAULT NULL" statement if that is what is needed.        //A good way to get this would be to require a defaultValue="<NULL>" in the        //schema xml if you really want null and not just unspecified.        String  desiredDefault = columnA.getDefaultValue();        String  currentDefault = columnB.getDefaultValue();        boolean defaultsEqual  = (desiredDefault == null) || desiredDefault.equals(currentDefault);        boolean sizeMatters    = (columnA.getSize() != null);        if ((columnA.getTypeCode() != columnB.getTypeCode()) ||            (columnA.isRequired() != columnB.isRequired()) ||            (sizeMatters && (columnA.getSize() != columnB.getSize())) ||            (columnA.getScale() != columnB.getScale()) ||            !defaultsEqual ||            (columnA.getPrecisionRadix() != columnB.getPrecisionRadix()))        {            return true;        }        else        {            return false;        }    }