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Beyond the Basics of Migrations with Charlotte Mays
Learn how to make the most of Django's migration system with expert Charlotte Mays, covering essential best practices and pitfalls to avoid in model changes, field definitions, and more.
-
Use
get_model
to retrieve the correct model version, rather than importing models directly. -
When making changes to a model, make sure to use the
get_model
function to ensure the changes are applied correctly. -
When running migrations, use
migrations.runPython.noop
instead ofmigrations.runPython
without thenoop
parameter to avoid unexpected behavior. - When creating a new model, use the correct field definition to avoid importing the wrong model.
-
When renaming a field or model, use
RenameField
instead of directly modifying the field definition. - When making changes to a field, use the correct field type and attributes to ensure the changes are applied correctly.
-
When using
runPython
, use thenoop
parameter to indicate that no reverse operation is needed. -
When creating a new migration, include a logical name and use the
get_model
function to retrieve the correct model version. -
Use the
get_model
function to retrieve the correct model version, rather than importing models directly. - Before making changes to a model, check that the changes will not conflict with other migrations.
- When creating a new model, use the correct field definition to avoid importing the wrong model.
-
When renaming a field or model, use
RenameField
instead of directly modifying the field definition. - When making changes to a field, use the correct field type and attributes to ensure the changes are applied correctly.
-
When using
runPython
, use thenoop
parameter to indicate that no reverse operation is needed. -
When creating a new migration, include a logical name and use the
get_model
function to retrieve the correct model version.