Get database config and check if it's MySQL.

If timezone is None return get_default_timezone() else if timezone is tzinfo object, return it; else parse string to ZoneInfo instance.

Query the database for unique constraint names on an exact set of columns. Returns constraint names whose column set matches ``column_names``

Convert ordering from strings to standard items for queryset. :param orderings: What columns/order to order by :param revers

Internal: Reset Apps registry on current context.

Resolve the actual constraint name via introspection, falling back to deterministic name. Tries database introspection first to discover the

Assert two lists are equal after sorting by the given key.

Establish a DB connection. :param with_db: If True, then select the DB to use, else use default. Use case for this is to

Create a database schema. Override in dialect-specific editors. The default implementation is a no-op, suitable for backends that do

Describes the given list of models or ALL registered models. :param models: List of models to describe, if not provided

Fetches related models for provided list of Model objects. :param instance_list: List of Model objects to fetch relations for.

Filters QuerySet by given kwargs. You can filter by related objects like this: .. code-block:: python3 Team.filter(even

Fetch exactly one object matching the parameters.

Convert an aware datetime.datetime to local time. Only aware datetime are allowed. When value is omitted, it defaults to now(). Loc

Negates the current Q object. (mutation)

Function to build a `Pydantic Model <https://docs.pydantic.dev/latest/concepts/models/>`__ list off Tortoise Model. :param cls: The Tortoise

Skip test if not running against PostgreSQL.

Verify that all registered models have had their relations fully initialized. Raises ``RuntimeError`` if any model still has ``_inited = Fals

Enum Field A field representing an integer enumeration. The description of the field is set automatically if not specified to a multili

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

Exit the async context manager, close connections, and restore previous context.

Classify each db_default field across all instances. Returns a set of field names to omit from the INSERT (all instances use Database

Build an INSERT query where DatabaseDefault fields are omitted. Returns ``(sql_string, values_list, db_default_columns)`` where: - *v

Build a complete MODIFY COLUMN clause including DEFAULT and COMMENT.

Check the value of "unique_together" option. :raises ConfigurationError: If the model has not been configured correctly.

Return the connection that will be used if this query is executed now. :return: BaseDBAsyncClient:

Collect all unique schema names used in a state.