export default interface BasicColumn {
  name: string;
  dataType: string;
  nullable: boolean;
  dataTypeString: string;
}

export function surrogateKeyColumn(name: string): BasicColumn {
  return {
    name: name,
    dataType: 'integer',
    nullable: false,
    dataTypeString: '(integer, not null)',
  };
}

export function newBasicColumn(
  name: string,
  dataType: string,
  nullable: boolean
): BasicColumn {
  return {
    name: name,
    dataType: dataType,
    nullable: nullable,
    dataTypeString: `(${dataType}, ${nullable ? 'null' : 'not null'})`,
  };
}