peewee Documentation Release 2.10.2read_slave module, included in the Playhouse, extensions to Peewee extensions library, contains a Model subclass which provides this behavior. Here is how you might use the ReadSlaveModel: from peewee import want to tell SQLite to enforce all foreign key constraints (off by default). To do this, you can subclass the database and override the initialize_connection() method. This method contains no implementation driver [http://code.google.com/p/apsw/] in the “playhouse” module. The first thing is to provide a subclass of Database that will open a connection. from peewee import Database import foodb # Our fictional0 码力 | 275 页 | 276.96 KB | 1 年前3
peewee Documentation
Release 2.10.2read_slave module, included in the Playhouse, extensions to Peewee extensions library, contains a Model subclass which provides this behavior. Here is how you might use the ReadSlaveModel: from peewee import want to tell SQLite to enforce all foreign key constraints (off by default). To do this, you can subclass the database and override the initialize_connection() method. This method contains no implementation An example is the apsw sqlite driver in the “playhouse” module. The first thing is to provide a subclass of Database that will open a connection. from peewee import Database import foodb # Our fictional0 码力 | 221 页 | 844.06 KB | 1 年前3
peewee Documentation Release 1.0.0options are “inheritable”, which means that you can define a database adapter on one model, then subclass that model and the child models will use that database. my_db = PostgresqlDatabase('my_db') class non-integer primary keys. __init__(column_class[, ...]) Parameters: column_class – a reference to a subclass of Column to use for the underlying storage, defaults to PrimaryKeyColumn. class ForeignKeyField and introspecting the database to get lists of tables. Each database must specify a BaseAdapter subclass, so our database will need to specify the FooAdapter we just defined: from peewee import Database0 码力 | 101 页 | 163.20 KB | 1 年前3
peewee Documentation
Release 1.0.0options are “inheritable”, which means that you can define a database adapter on one model, then subclass that model and the child models will use that database. my_db = PostgresqlDatabase(’my_db’) class non-integer primary keys. __init__(column_class[, ...]) Parameters column_class – a reference to a subclass of Column to use for the underlying storage, defaults to PrimaryKeyColumn. class ForeignKeyField and introspecting the database to get lists of tables. Each database must specify a BaseAdapter subclass, so our database will need to specify the FooAdapter we just defined: from peewee import Database0 码力 | 71 页 | 405.29 KB | 1 年前3
peewee Documentation
Release 2.0.2one will be created named “id” • if you do specify a primary key and it is a PrimaryKeyField (or subclass), it will be an automatically incrementing integer • if you specify a primary key and it is anything adapter In peewee 1.0 there were two classes that controlled access to the database – the Database subclass and an Adapter. The adapter’s job was to say what features a database backend provided, what operations options are “inheritable”, which means that you can define a database adapter on one model, then subclass that model and the child models will use that database. my_db = PostgresqlDatabase(’my_db’) class0 码力 | 65 页 | 315.33 KB | 1 年前3
peewee Documentation
Release 3.5.0driver [http://code.google.com/p/apsw/] in the “playhouse” module. The first thing is to provide a subclass of Database that will open a connection. from peewee import Database import foodb # Our fictional borrowed from Django. Meta configuration is passed on to subclasses, so our project’s models will all subclass BaseModel. There are many different attributes you can configure using Model.Meta. 3. Define a BitField and BigBitField The BitField and BigBitField are new as of 3.0.0. The former provides a subclass of IntegerField that is suitable for storing feature toggles as an integer bitmask. The latter is0 码力 | 347 页 | 380.80 KB | 1 年前3
peewee Documentation Release 3.4.0driver [http://code.google.com/p/apsw/] in the “playhouse” module. The first thing is to provide a subclass of Database that will open a connection. from peewee import Database import foodb # Our fictional borrowed from Django. Meta configuration is passed on to subclasses, so our project’s models will all subclass BaseModel. There are many different attributes you can configure using Model.Meta. 3. Define a BitField and BigBitField The BitField and BigBitField are new as of 3.0.0. The former provides a subclass of IntegerField that is suitable for storing feature toggles as an integer bitmask. The latter is0 码力 | 349 页 | 382.34 KB | 1 年前3
peewee Documentation Release 3.1.0driver [http://code.google.com/p/apsw/] in the “playhouse” module. The first thing is to provide a subclass of Database that will open a connection. from peewee import Database import foodb # Our fictional borrowed from Django. Meta configuration is passed on to subclasses, so our project’s models will all subclass BaseModel. There are many different attributes you can configure using Model.Meta. 3. Define a BitField and BigBitField The BitField and BigBitField are new as of 3.0.0. The former provides a subclass of IntegerField that is suitable for storing feature toggles as an integer bitmask. The latter is0 码力 | 332 页 | 370.77 KB | 1 年前3
peewee Documentation
Release 3.5.0An example is the apsw sqlite driver in the “playhouse” module. The first thing is to provide a subclass of Database that will open a connection. from peewee import Database import foodb # Our fictional borrowed from Django. Meta configuration is passed on to subclasses, so our project’s models will all subclass BaseModel. There are many different attributes you can configure using Model.Meta. 3. Define a BitField and BigBitField The BitField and BigBitField are new as of 3.0.0. The former provides a subclass of IntegerField that is suitable for storing feature toggles as an integer bitmask. The latter is0 码力 | 282 页 | 1.02 MB | 1 年前3
peewee Documentation
Release 3.3.0An example is the apsw sqlite driver in the “playhouse” module. The first thing is to provide a subclass of Database that will open a connection. from peewee import Database import foodb # Our fictional borrowed from Django. Meta configuration is passed on to subclasses, so our project’s models will all subclass BaseModel. There are many different attributes you can configure using Model.Meta. 3. Define a BitField and BigBitField The BitField and BigBitField are new as of 3.0.0. The former provides a subclass of IntegerField that is suitable for storing feature toggles as an integer bitmask. The latter is0 码力 | 280 页 | 1.02 MB | 1 年前3
共 16 条
- 1
- 2













