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Copy pathsession.py
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139 lines (122 loc) · 4.64 KB
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from typing import Any, Mapping, Optional, Sequence, Type, TypeVar, Union, overload
from sqlalchemy import util
from sqlalchemy.orm import Query as _Query
from sqlalchemy.orm import Session as _Session
from sqlalchemy.sql.base import Executable as _Executable
from sqlmodel.sql.expression import Select, SelectOfScalar
from typing_extensions import Literal
from ..engine.result import Result, ScalarResult
from ..sql.base import Executable
_TSelectParam = TypeVar("_TSelectParam")
class Session(_Session):
@overload
def exec(
self,
statement: Select[_TSelectParam],
*,
params: Optional[Union[Mapping[str, Any], Sequence[Mapping[str, Any]]]] = None,
execution_options: Mapping[str, Any] = util.EMPTY_DICT,
bind_arguments: Optional[Mapping[str, Any]] = None,
_parent_execute_state: Optional[Any] = None,
_add_event: Optional[Any] = None,
**kw: Any,
) -> Result[_TSelectParam]:
...
@overload
def exec(
self,
statement: SelectOfScalar[_TSelectParam],
*,
params: Optional[Union[Mapping[str, Any], Sequence[Mapping[str, Any]]]] = None,
execution_options: Mapping[str, Any] = util.EMPTY_DICT,
bind_arguments: Optional[Mapping[str, Any]] = None,
_parent_execute_state: Optional[Any] = None,
_add_event: Optional[Any] = None,
**kw: Any,
) -> ScalarResult[_TSelectParam]:
...
def exec(
self,
statement: Union[
Select[_TSelectParam],
SelectOfScalar[_TSelectParam],
Executable[_TSelectParam],
],
*,
params: Optional[Union[Mapping[str, Any], Sequence[Mapping[str, Any]]]] = None,
execution_options: Mapping[str, Any] = util.EMPTY_DICT,
bind_arguments: Optional[Mapping[str, Any]] = None,
_parent_execute_state: Optional[Any] = None,
_add_event: Optional[Any] = None,
**kw: Any,
) -> Union[Result[_TSelectParam], ScalarResult[_TSelectParam]]:
results = super().execute(
statement,
params=params,
execution_options=execution_options,
bind_arguments=bind_arguments,
_parent_execute_state=_parent_execute_state,
_add_event=_add_event,
**kw,
)
if isinstance(statement, SelectOfScalar):
return results.scalars() # type: ignore
return results # type: ignore
def execute(
self,
statement: _Executable,
params: Optional[Union[Mapping[str, Any], Sequence[Mapping[str, Any]]]] = None,
execution_options: Optional[Mapping[str, Any]] = util.EMPTY_DICT,
bind_arguments: Optional[Mapping[str, Any]] = None,
_parent_execute_state: Optional[Any] = None,
_add_event: Optional[Any] = None,
**kw: Any,
) -> Result[Any]:
"""
🚨 You probably want to use `session.exec()` instead of `session.execute()`.
This is the original SQLAlchemy `session.execute()` method that returns objects
of type `Row`, and that you have to call `scalars()` to get the model objects.
For example:
```Python
heroes = session.execute(select(Hero)).scalars().all()
```
instead you could use `exec()`:
```Python
heroes = session.exec(select(Hero)).all()
```
"""
return super().execute( # type: ignore
statement,
params=params,
execution_options=execution_options,
bind_arguments=bind_arguments,
_parent_execute_state=_parent_execute_state,
_add_event=_add_event,
**kw,
)
def query(self, *entities: Any, **kwargs: Any) -> "_Query[Any]":
"""
🚨 You probably want to use `session.exec()` instead of `session.query()`.
`session.exec()` is SQLModel's own short version with increased type
annotations.
Or otherwise you might want to use `session.execute()` instead of
`session.query()`.
"""
return super().query(*entities, **kwargs)
def get(
self,
entity: Type[_TSelectParam],
ident: Any,
options: Optional[Sequence[Any]] = None,
populate_existing: bool = False,
with_for_update: Optional[Union[Literal[True], Mapping[str, Any]]] = None,
identity_token: Optional[Any] = None,
) -> Optional[_TSelectParam]:
return super().get(
entity,
ident,
options=options,
populate_existing=populate_existing,
with_for_update=with_for_update,
identity_token=identity_token,
)