Command

This class provides a command-line interface for optimizing the operations within a specific database migration. It identifies redundant or combinable operations to reduce the total operation count and updates the migration file accordingly. The class also includes a check mode to detect potential optimizations without applying changes.

Attributes

Attribute	Type	Description
help	string = "Optimizes the operations for the named migration."	Optimizes the operations for the named migration.

---

Methods

---

add_arguments()

@classmethod
def add_arguments(
    parser: [CommandParser](../../base/commandparser.md?sid=django_core_management_base_commandparser)
)

Configures the command line argument parser with required positional arguments for the app and migration, and an optional check flag.

Parameters

Name	Type	Description
parser	[CommandParser](../../base/commandparser.md?sid=django_core_management_base_commandparser)	The argument parser instance used to define the CLI interface for the optimize migration command.

---

handle()

@classmethod
def handle(
    *args: tuple,
    **options: dict
) - > null

Executes the migration optimization logic by reducing the number of operations in a migration file and writing the results back to disk.

Parameters

Name	Type	Description
*args	tuple	Variable length argument list, typically unused by Django management commands.
**options	dict	A dictionary containing command options including 'app_label', 'migration_name', 'check', and 'verbosity'.

Returns

Type	Description
null	Returns nothing, but may exit the process with a non-zero status if the check flag is set and optimizations are found.

---