Get the correct backend-specific SchemaEditor for the given connection. Mirrors the factory logic in MigrationExecutor._schema_editor().

Helper to get the DEFAULT SQL for a field using the SQLite schema generator.

Initialize Tortoise for asyncpg and return SQL statements.

Initialize Tortoise for psycopg and return SQL statements.

Assert SQL matches expected value based on db client type.

Make QuerySet distinct. Only makes sense in combination with a ``.values()`` or ``.values_list()`` as it precedes all the fe

Initialize Tortoise for MySQL and return SQL statements.

The FORCE INDEX hint acts like USE INDEX (index_list), with the addition that a table scan is assumed to be very expensive.

Return the default time zone as a tzinfo instance. This is the time zone defined by Tortoise config.

The USE INDEX (index_list) hint tells MySQL to use only one of the named indexes to find rows in the table.

Update the given fields in each of the given objects in the database. This method efficiently updates the given fields on the provide

Generates a QuerySet with the exclude applied. :param args: Q functions containing constraints. Will be AND'ed. :param kwarg

Initialize this context with database configuration. You can configure using one of: ``config``, ``config_file``, or ``(db_url, modu

Return a new QuerySet instance that will select related objects. If fields are specified, they must be ForeignKey fields and only th

Validate whether given value is valid :param value: Value to be validation :raises ValidationError: If validator check is no

Return the connection that will be used if this query is executed now. :param for_write: Whether this query for write. :retu

Helper to reset Tortoise state before each test. Note: We MUST NOT set Tortoise.apps = None or Tortoise._inited = False because these are cla

Execute DDL SQL on SQLite. In atomic mode, uses execute_query() per statement because sqlite3.executescript() issues an implicit COMM

Helper to teardown Tortoise state after each test.

Sort models so children come before parents (safe delete order). Uses Kahn's algorithm on FK dependencies. Models that depend on others via F

Create a new clone of the object that when you do a ``.save()`` will create a new record. :param pk: An optionally required value if

Close all connections cleanly. It is required for this to be called on exit, else your event loop may never complete

Generates a QuerySet that returns the last record.

Converts from the DB type to the Python type. :param value: Value from DB

Tries to drop all databases provided in config passed to ``.init()`` method. Normally should be used only for testing purposes.

Return a hashable identity tuple for an Index (ignoring its name).

Load Tortoise ORM configuration from various sources. Returns: TortoiseConfig: Validated configuration object

Create a BaseSchemaEditor subclass with a FakeClient for testing.

Get a database connection by alias from the current context. This is a convenience function. Prefer accessing connections directly via c

Fetches the object if exists (filtering on the provided parameters), else creates an instance with any unspecified parameters as defa

Builds the common filters for a QuerySet.

Applies standard ordering to QuerySet. :param model: The Model this queryset is based on. :param table: ``pypika_tortoise.Ta

Truncate all models in the current context. This is a utility function for test cleanup that deletes all rows from all registered model

A convenience method for updating an object with the given kwargs, creating a new one if necessary. :param defaults: Default values

Executes query in provided db client. Useful for transactions workaround.

Override to gracefully skip relations whose target model hasn't been registered yet. This happens when ``CreateModel`` operations are sorted

Executes a RAW SQL query statement, and returns the resultset. :param query: The SQL string, pre-parametrized for the target DB dial

Get use_tz from env set in Tortoise config.

Char Enum Field A field representing a character enumeration. **Warning**: If ``max_length`` is not specified or equals to zero, the si

ManyToMany relation field. This field represents a many-to-many between this model and another model. See :ref:`many_to_many` for usage

Enter the context manager and set this context as current. Returns: This context instance.

Get the current context from context var.

Closes all connections in the storage in the `current context`. All closed connections will be removed from the storage by default.

Helper to create race participants for tests.

Discards the given alias from the storage in the `current context`. :param conn_alias: The alias for which the connection object sho