iterate without caching each model returned, using much less memory when iterating over large result sets: # let's assume we've got 1M stat objects to dump to csv stats_qr = Stat.select().execute() # our like to generate some models for an existing database, you can try out the database introspection tool “pwiz” that comes with peewee. Usage: python pwiz.py my_postgresql_database It works with postgresql the proper handling of None/NULL. Note You might have noticed that we created a BaseModel which sets the database, and then all the other models extend the BaseModel. This is a good way to make sure

iterate without caching each model returned, using much less memory when iterating over large result sets: # let’s assume we’ve got 1M stat objects to dump to csv stats_qr = Stat.select().execute() # our like to generate some models for an existing database, you can try out the database introspection tool “pwiz” that comes with peewee. Usage: python pwiz.py my_postgresql_database It works with postgresql the proper handling of None/NULL. Note: You might have noticed that we created a BaseModel which sets the database, and then all the other models extend the BaseModel. This is a good way to make sure

iterate without caching each model returned, using much less memory when iterating over large result sets: # let’s assume we’ve got 1M stat objects to dump to csv stats_qr = Stat.select().execute() # our like to generate some models for an existing database, you can try out the database introspection tool “pwiz” that comes with peewee. Usage: python pwiz.py my_postgresql_database It works with postgresql the proper handling of None/NULL. Note: You might have noticed that we created a BaseModel which sets the database, and then all the other models extend the BaseModel. This is a good way to make sure

have noticed in the above model code that there is a class defined on the base model named Meta that sets the database attribute. Peewee allows every model to specify which database it uses. There are many a BlobField. Example usage: class Bitmap(Model): data = BigBitField() bitmap = Bitmap() # Sets the ith bit, e.g. the 1st bit, the 11th bit, the 63rd, etc. bits_to_set = (1, 11, 63, 31, 55, 48, table and re-create it. Run one or more ALTER TABLE queries. Peewee comes with a schema migration tool which can greatly simplify this. Check the schema migrations docs for details. Model options and

have noticed in the above model code that there is a class defined on the base model named Meta that sets the database attribute. Peewee allows every model to specify which database it uses. There are many a BlobField. Example usage: class Bitmap(Model): data = BigBitField() bitmap = Bitmap() # Sets the ith bit, e.g. the 1st bit, the 11th bit, the 63rd, etc. bits_to_set = (1, 11, 63, 31, 55, 48, table and re-create it. Run one or more ALTER TABLE queries. Peewee comes with a schema migration tool which can greatly simplify this. Check the schema migrations docs for details. Model options and

have noticed in the above model code that there is a class defined on the base model named Meta that sets the database attribute. Peewee allows every model to specify which database it uses. There are many stored in a BlobField. Example usage: class Bitmap(Model): data = BigBitField() bitmap = Bitmap() # Sets the ith bit, e.g. the 1st bit, the 11th bit, the 63rd, etc. bits_to_set = (1, 11, 63, 31, 55, 48, table and re-create it. • Run one or more ALTER TABLE queries. Peewee comes with a schema migration tool which can greatly simplify this. Check the schema migrations docs for details. 1.6.3 Model options

have noticed in the above model code that there is a class defined on the base model named Meta that sets the database attribute. Peewee allows every model to specify which database it uses. There are many stored in a BlobField. Example usage: class Bitmap(Model): data = BigBitField() bitmap = Bitmap() # Sets the ith bit, e.g. the 1st bit, the 11th bit, the 63rd, etc. bits_to_set = (1, 11, 63, 31, 55, 48, table and re-create it. • Run one or more ALTER TABLE queries. Peewee comes with a schema migration tool which can greatly simplify this. Check the schema migrations docs for details. 1.7.4 Model options

have noticed in the above model code that there is a class defined on the base model named Meta that sets the database attribute. Peewee allows every model to specify which database it uses. There are many page) 68 Chapter 1. Contents: peewee Documentation, Release 3.4.0 (continued from previous page) # Sets the ith bit, e.g. the 1st bit, the 11th bit, the 63rd, etc. bits_to_set = (1, 11, 63, 31, 55, 48, table and re-create it. • Run one or more ALTER TABLE queries. Peewee comes with a schema migration tool which can greatly simplify this. Check the schema migrations docs for details. 1.7.4 Model options

iterate without caching each model returned, using much less memory when iterating over large result sets: # let's assume we've got 1M stat objects to dump to csv stats_qr = Stat.select().execute() # our like to generate some models for an existing database, you can try out the database introspection tool “pwiz” that comes with peewee. Usage: python pwiz.py my_postgresql_database It works with postgresql the proper handling of None/NULL. Note You might have noticed that we created a BaseModel which sets the database, and then all the other models extend the BaseModel. This is a good way to make sure

iterate without caching each model returned, using much less memory when iterating over large result sets: # let’s assume we’ve got 1M stat objects to dump to csv stats_qr = Stat.select().execute() # our like to generate some models for an existing database, you can try out the database introspection tool “pwiz” that comes with peewee. Usage: python pwiz.py my_postgresql_database It works with postgresql the proper handling of None/NULL. Note: You might have noticed that we created a BaseModel which sets the database, and then all the other models extend the BaseModel. This is a good way to make sure