orionis.database.migrations.context

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module documentation

(source)

Undocumented

Function	`current_migration_connection`	Return the connection selected by the current migration step.
Function	`migration_connection_scope`	Bind unqualified migration operations to their tracking transaction.
Constant	`_MIGRATION_CONNECTION`	Undocumented

def current_migration_connection() -> IConnection | None: (source) ¶

Return the connection selected by the current migration step.

Returns
`IConnection or None`	Connection inherited by unqualified schema and ORM operations.

def migration_connection_scope(connection: IConnection) -> Generator[None]: (source) ¶

Bind unqualified migration operations to their tracking transaction.

Parameters
connection:`IConnection`	Connection selected by the migration runner.

Returns
`Generator[None]`	Undocumented

Yields
`None`	The previous binding is restored when the step finishes or fails.

_MIGRATION_CONNECTION: ContextVar[IConnection | None] = (source) ¶

Undocumented

Value

ContextVar('orionis_migration_connection',
           default=None)