code: public boolean hasColumnName(String columnName) {
  		for (FieldType fieldType : fieldTypes) {
  			if (fieldType.getColumnName().equals(columnName)) {
  				return true;
  			}
  		}
  		return false;
  	}
docs: Return true if this table information has a field with this columnName as set by
  {@link DatabaseField#columnName()} or the field name if not set.