def __init__(self, database_url: typing.Union[DatabaseURL, str],
**options: typing.Any) -> None:
self._database_url = DatabaseURL(database_url)
self._options = options
self._dialect = pymysql.dialect(paramstyle="pyformat")
self._dialect.supports_native_decimal = True
self._pool = None
def __init__(
self, database_url: typing.Union[DatabaseURL, str], **options: typing.Any
) -> None:
self._database_url = DatabaseURL(database_url)
self._options = options
self._dialect = self._get_dialect()
self._pool = None
async def test_postgres_pool_size_connect():
for url in DATABASE_URLS:
if DatabaseURL(url).dialect != "postgresql":
continue
backend = PostgresBackend(url + "?min_size=1&max_size=20")
await backend.connect()
await backend.disconnect()
def __init__(
self,
database_url: str,
**options: Any,
) -> None:
assert len(database_url) > 0, "Missing database URL"
self._database_url = DatabaseURL(database_url)
self._options = options
assert self._database_url.options.get(
"driver"), "driver parameter is not specified in database url"
pyodbc: Any = importlib.import_module(
f"sqlalchemy.dialects.{self._database_url.driver}.pyodbc")
assert (
pyodbc
), f"Can not find pyodbc module from driver: {self._database_url.driver}"
assert hasattr(
pyodbc, "dialect"
), f"{self._database_url.driver} pyodbc does not have dialect defined."
fast_executemany: bool = self._database_url.options.get(
"fast_executemany", "").lower() in ["true", "yes", "1", "y", "t"]
paramstyle: str = self._database_url.options.get("paramstyle", "qmark")
self._dialect = pyodbc.dialect(paramstyle=paramstyle,
fast_executemany=fast_executemany)
self._options["autocommit"] = self._database_url.options.get(
"autocommit", "false").lower() in ("true", "yes", "1", "y", "t")
self._pool: Pool = None
def __init__(self, database_url: typing.Union[DatabaseURL, str],
**options: typing.Any) -> None:
self._database_url = DatabaseURL(database_url)
self._options = options
self._dialect = pysqlite.dialect(paramstyle="qmark")
# aiosqlite does not support decimals
self._dialect.supports_native_decimal = False
self._pool = SQLitePool(self._database_url, **self._options)
def __init__(self, database_url: typing.Union[DatabaseURL, str]) -> None:
self._database_url = DatabaseURL(database_url)
self._dialect = pymysql.dialect(paramstyle="pyformat")
self._pool = None
def __init__(self, database_url: typing.Union[DatabaseURL, str]) -> None:
self._database_url = DatabaseURL(database_url)
self._dialect = pysqlite.dialect(paramstyle="qmark")
self._pool = SQLitePool(self._database_url)
def __init__(self, database_url: typing.Union[DatabaseURL, str]) -> None:
self._database_url = DatabaseURL(database_url)
self._dialect = self._get_dialect()
self._pool = None
def __init__(self, database_url: typing.Union[str, DatabaseURL]) -> None:
self.database_url = DatabaseURL(database_url)
self.dialect = self._get_dialect()
self.pool = None
