Flask Sqlalchemy Versions Save

Fixed compatibility with SQLAlchemy 1.4 and Python 2.7.

• Changes: https://flask-sqlalchemy.palletsprojects.com/en/2.x/changelog/#version-2-5-1

Fixed compatibility with SQLAlchemy 1.4.

• Changes: https://flask-sqlalchemy.palletsprojects.com/en/2.x/changelog/#version-2-5-0

Fixes an issue with CPython 3.8.4.

• Changelog: https://flask-sqlalchemy.palletsprojects.com/en/2.x/changelog/#version-2-4-4

• Changes: https://flask-sqlalchemy.palletsprojects.com/en/2.x/changelog/#version-2-4-3

• Changes: https://flask-sqlalchemy.palletsprojects.com/en/2.x/changelog/#version-2-4-2

Install or upgrade

Install from PyPI with pip:

pip install -U Flask-SQLAlchemy

Changelog

• Don't mask the parent table for single-table inheritance models. (#561)

Install or upgrade

Install from PyPI with pip:

pip install -U Flask-SQLAlchemy

Changelog

• If a model has a table name that matches an existing table in the metadata, use that table. Fixes a regression where reflected tables were not picked up by models. (#551)
• Raise the correct error when a model has a table name but no primary key. (#556)
• Fix repr on models that don't have an identity because they have not been flushed yet. (#555)
• Allow specifying a max_per_page limit for pagination, to avoid users specifying high values in the request args. (#542)
• For paginate with error_out=False, the minimum value for page is 1 and per_page is 0. (#558)

Install or upgrade

Install from PyPI with pip:

pip install -U Flask-SQLAlchemy

Changelog

• Multiple bugs with __tablename__ generation are fixed. Names will be generated for models that define a primary key, but not for single-table inheritance subclasses. Names will not override a declared_attr. PrimaryKeyConstraint is detected. (#541)
• Passing an existing declarative_base() as model_class to SQLAlchemy.__init__ will use this as the base class instead of creating one. This allows customizing the metaclass used to construct the base. (#546)
• The undocumented DeclarativeMeta internals that the extension uses for binds and table name generation have been refactored to work as mixins. Documentation is added about how to create a custom metaclass that does not do table name generation. (#546)
• Model and metaclass code has been moved to a new models module. _BoundDeclarativeMeta is renamed to DefaultMeta; the old name will be removed in 3.0. (#546)
• Models have a default repr that shows the model name and primary key. (#530)
• Fixed a bug where using init_app would cause connectors to always use the current_app rather than the app they were created for. This caused issues when multiple apps were registered with the extension. (#547)