diff --git a/docs/v4/postgres.html b/docs/v4/postgres.html index ab7dd47..f0ab845 100644 --- a/docs/v4/postgres.html +++ b/docs/v4/postgres.html @@ -43,36 +43,127 @@
spin_sdk.postgres
-async def open(connection_string: str) ‑> Connection
+
+class Connection
+(connection: Connection)
-
Expand source code
-async def open(connection_string: str) -> Connection:
- """
- Open a connection with a Postgres database.
-
- The connection_string is the Postgres URL connection string.
+class Connection:
+ def __init__(self, connection: pg.Connection) -> None:
+ self.connection = connection
- A `componentize_py_types.Err(Error_ConnectionFailed(str))` when a connection fails.
-
- A `componentize_py_types.Err(Error_Other(str))` when some other error occurs.
- """
- return await Connection.open_async(connection_string)
+ def __enter__(self) -> Self:
+ return self
+
+ def __exit__(self, exc_type: type[BaseException] | None, exc_value: BaseException | None, traceback: TracebackType | None) -> bool | None:
+ return self.connection.__exit__(exc_type, exc_value, traceback)
+
+ @classmethod
+ async def open(cls, connection_string: str) -> Self:
+ """
+ Open a connection with a Postgres database.
+
+ The connection_string is the Postgres URL connection string.
+
+ A `componentize_py_types.Err(Error_ConnectionFailed(str))` when a connection fails.
+
+ A `componentize_py_types.Err(Error_Other(str))` when some other error occurs.
+ """
+ return cls(await pg.Connection.open_async(connection_string))
+
+ async def query(self, statement: str, params: List[ParameterValue]) -> Tuple[List[Column], StreamReader[List[DbValue]], FutureReader[Result[None, Error]]]:
+ """
+ Query the Postgres database.
+
+ Returns a Tuple containing a List of Columns, a List of DbValues encapsulated in an asynchronous iterator (`componentize_py_async_support.streams.StreamReader`),
+ and a future (`componentize_py_async_support.futures.FutureReader`) containing the result of the operation.
+
+ Raises: `componentize_py_types.Err(spin_sdk.wit.imports.spin_postgres_postgres_4_2_0.Error)`
+ """
+ return await self.connection.query_async(statement, params)
+
+ async def execute(self, statement: str, params: List[ParameterValue]) -> int:
+ """
+ Execute command to the database.
+
+ Returns the number of affected rows as an int.
+
+ Raises: `componentize_py_types.Err(spin_sdk.wit.imports.spin_postgres_postgres_4_2_0.Error)`
+ """
+ return await self.connection.execute_async(statement, params)
+
+Static methods
+
+
+async def open(connection_string: str) ‑> Self
+
+-
Open a connection with a Postgres database.
The connection_string is the Postgres URL connection string.
A componentize_py_types.Err(Error_ConnectionFailed(str)) when a connection fails.
A componentize_py_types.Err(Error_Other(str)) when some other error occurs.
-
+async def execute(self,
statement: str,
params: List[ParameterValue_Boolean | ParameterValue_Int8 | ParameterValue_Int16 | ParameterValue_Int32 | ParameterValue_Int64 | ParameterValue_Floating32 | ParameterValue_Floating64 | ParameterValue_Str | ParameterValue_Binary | ParameterValue_Date | ParameterValue_Time | ParameterValue_Datetime | ParameterValue_Timestamp | ParameterValue_Uuid | ParameterValue_Jsonb | ParameterValue_Decimal | ParameterValue_RangeInt32 | ParameterValue_RangeInt64 | ParameterValue_RangeDecimal | ParameterValue_ArrayInt32 | ParameterValue_ArrayInt64 | ParameterValue_ArrayDecimal | ParameterValue_ArrayStr | ParameterValue_Interval | ParameterValue_DbNull]) ‑> int
+async def execute(self, statement: str, params: List[ParameterValue]) -> int:
+ """
+ Execute command to the database.
+
+ Returns the number of affected rows as an int.
+
+ Raises: `componentize_py_types.Err(spin_sdk.wit.imports.spin_postgres_postgres_4_2_0.Error)`
+ """
+ return await self.connection.execute_async(statement, params)
+Execute command to the database.
+Returns the number of affected rows as an int.
+Raises: componentize_py_types.Err(Error)
+async def query(self,
statement: str,
params: List[ParameterValue_Boolean | ParameterValue_Int8 | ParameterValue_Int16 | ParameterValue_Int32 | ParameterValue_Int64 | ParameterValue_Floating32 | ParameterValue_Floating64 | ParameterValue_Str | ParameterValue_Binary | ParameterValue_Date | ParameterValue_Time | ParameterValue_Datetime | ParameterValue_Timestamp | ParameterValue_Uuid | ParameterValue_Jsonb | ParameterValue_Decimal | ParameterValue_RangeInt32 | ParameterValue_RangeInt64 | ParameterValue_RangeDecimal | ParameterValue_ArrayInt32 | ParameterValue_ArrayInt64 | ParameterValue_ArrayDecimal | ParameterValue_ArrayStr | ParameterValue_Interval | ParameterValue_DbNull]) ‑> Tuple[List[Column], componentize_py_async_support.streams.StreamReader[List[DbValue_Boolean | DbValue_Int8 | DbValue_Int16 | DbValue_Int32 | DbValue_Int64 | DbValue_Floating32 | DbValue_Floating64 | DbValue_Str | DbValue_Binary | DbValue_Date | DbValue_Time | DbValue_Datetime | DbValue_Timestamp | DbValue_Uuid | DbValue_Jsonb | DbValue_Decimal | DbValue_RangeInt32 | DbValue_RangeInt64 | DbValue_RangeDecimal | DbValue_ArrayInt32 | DbValue_ArrayInt64 | DbValue_ArrayDecimal | DbValue_ArrayStr | DbValue_Interval | DbValue_DbNull | DbValue_Unsupported]], componentize_py_async_support.futures.FutureReader[componentize_py_types.Ok[None] | componentize_py_types.Err[Error_ConnectionFailed | Error_BadParameter | Error_QueryFailed | Error_ValueConversionFailed | Error_Other]]]
+async def query(self, statement: str, params: List[ParameterValue]) -> Tuple[List[Column], StreamReader[List[DbValue]], FutureReader[Result[None, Error]]]:
+ """
+ Query the Postgres database.
+
+ Returns a Tuple containing a List of Columns, a List of DbValues encapsulated in an asynchronous iterator (`componentize_py_async_support.streams.StreamReader`),
+ and a future (`componentize_py_async_support.futures.FutureReader`) containing the result of the operation.
+
+ Raises: `componentize_py_types.Err(spin_sdk.wit.imports.spin_postgres_postgres_4_2_0.Error)`
+ """
+ return await self.connection.query_async(statement, params)
+Query the Postgres database.
+Returns a Tuple containing a List of Columns, a List of DbValues encapsulated in an asynchronous iterator (componentize_py_async_support.streams.StreamReader),
+and a future (componentize_py_async_support.futures.FutureReader) containing the result of the operation.
Raises: componentize_py_types.Err(Error)