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Version 3.0.0

Unreleased

  • Drop support for Python 3.4.
  • Bump minimum version of Flask to 1.0.4.
  • Bump minimum version of SQLAlchemy to 1.2.
  • Set SQLALCHEMY_TRACK_MODIFICATIONS to False by default, remove deprecation warning (:pr:`727`)
  • Remove default 'sqlite:///:memory:' setting for SQLALCHEMY_DATABASE_URI, raise error when both SQLALCHEMY_DATABASE_URI and SQLALCHEMY_BINDS are unset (:pr:`731`)

Version 2.4.1

Released 2019-09-24

  • Fix AttributeError when using multiple binds with polymorphic models. :pr:`651`

Version 2.4.0

Released 2019-04-24

  • Make engine configuration more flexible. (:pr:`684`)
  • Address SQLAlchemy 1.3 deprecations. (:pr:`684`)
  • get_or_404() and first_or_404() now accept a description parameter to control the 404 message. (:issue:`636`)
  • Use time.perf_counter for Python 3 on Windows. (:issue:`638`)
  • Drop support for Python 2.6 and 3.3. (:pr:`687`)
  • Add an example of Flask's tutorial project, Flaskr, adapted for Flask-SQLAlchemy. (:pr:`720`)

Version 2.3.2

Released 2017-10-11

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

Version 2.3.1

Released 2017-10-05

  • 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. (:issue:`551`)
  • Raise the correct error when a model has a table name but no primary key. (:pr:`556`)
  • Fix repr on models that don't have an identity because they have not been flushed yet. (:issue:`555`)
  • Allow specifying a max_per_page limit for pagination, to avoid users specifying high values in the request args. (:pr:`542`)
  • For paginate with error_out=False, the minimum value for page is 1 and per_page is 0. (:issue:`558`)

Version 2.3.0

Released 2017-09-28

  • 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. (:pr:`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. (:issue:`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. (:issue:`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. (:issue:`546`)
  • Models have a default repr that shows the model name and primary key. (:pr:`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. (:pr:`547`)

Version 2.2

Released 2017-02-27, codename Dubnium

  • Minimum SQLAlchemy version is 0.8 due to use of sqlalchemy.inspect.
  • Added support for custom query_class and model_class as args to the SQLAlchemy constructor. (:pr:`328`)
  • Allow listening to SQLAlchemy events on db.session. (:pr:`364`)
  • Allow __bind_key__ on abstract models. (:pr:`373`)
  • Allow SQLALCHEMY_ECHO to be a string. (:issue:`409`)
  • Warn when SQLALCHEMY_DATABASE_URI is not set. (:pr:`443`)
  • Don't let pagination generate invalid page numbers. (:issue:`460`)
  • Drop support of Flask < 0.10. This means the db session is always tied to the app context and its teardown event. (:issue:`461`)
  • Tablename generation logic no longer accesses class properties unless they are declared_attr. (:issue:`467`)

Version 2.1

Released 2015-10-23, codename Caesium

  • Table names are automatically generated in more cases, including subclassing mixins and abstract models.
  • Allow using a custom MetaData object.
  • Add support for binds parameter to session.

Version 2.0

Released 2014-08-29, codename Bohrium

  • Changed how the builtin signals are subscribed to skip non-Flask-SQLAlchemy sessions. This will also fix the attribute error about model changes not existing.
  • Added a way to control how signals for model modifications are tracked.
  • Made the SignallingSession a public interface and added a hook for customizing session creation.
  • If the bind parameter is given to the signalling session it will no longer cause an error that a parameter is given twice.
  • Added working table reflection support.
  • Enabled autoflush by default.
  • Consider SQLALCHEMY_COMMIT_ON_TEARDOWN harmful and remove from docs.

Version 1.0

Released 2013-07-20, codename Aurum

  • Added Python 3.3 support.
  • Dropped 2.5 compatibility.
  • Various bugfixes
  • Changed versioning format to do major releases for each update now.

Version 0.16

  • New distribution format (flask_sqlalchemy)
  • Added support for Flask 0.9 specifics.

Version 0.15

  • Added session support for multiple databases.

Version 0.14

  • Make relative sqlite paths relative to the application root.

Version 0.13

  • Fixed an issue with Flask-SQLAlchemy not selecting the correct binds.

Version 0.12

  • Added support for multiple databases.
  • Expose BaseQuery as db.Query.
  • Set default query_class for db.relation, db.relationship, and db.dynamic_loader to BaseQuery.
  • Improved compatibility with Flask 0.7.

Version 0.11

  • Fixed a bug introduced in 0.10 with alternative table constructors.

Version 0.10

  • Added support for signals.
  • Table names are now automatically set from the class name unless overridden.
  • Model.query now always works for applications directly passed to the SQLAlchemy constructor. Furthermore the property now raises a RuntimeError instead of being None.
  • Added session options to constructor.
  • Fixed a broken __repr__.
  • db.Table is now a factory function that creates table objects. This makes it possible to omit the metadata.

Version 0.9

  • Applied changes to pass the Flask extension approval process.

Version 0.8

  • Added a few configuration keys for creating connections.
  • Automatically activate connection recycling for MySQL connections.
  • Added support for the Flask testing mode.

Version 0.7

  • Initial public release