Implementation
Future<Response> getAll(table) async {
var db;
if (_database == 'postgre') {
var connection = PostgreSQLConnection(_host, _port, _db,
username: _username, password: _password);
await connection.open();
db = Postgre().getAll(connection, table);
} else if (_database == 'mysql') {
final connection = await MySQLConnection.createConnection(
host: _host,
port: _port,
userName: _username,
password: _password,
databaseName: _db, // optional
);
await connection.connect();
db = await MySql().getAll(connection, table);
} else {}
return db;
}