Postgresql. numerous extensions available (postgres hstore/json/arrays, sqlite full-text- search, schema migrations, and much more). Peewee’s source code hosted on GitHub [https://github.com/coleifer/peewee] Functions SQL Helper Security and SQL Injection API Documentation Database Query-builder Fields Schema Manager Model Query-builder Internals Constants and Helpers SQLite Extensions Getting started Signal support pwiz, a model generator Schema Migrations Reflection Database URL Connection pool Test Utils Flask Utils Query Examples Model Definitions Schema Creation Basic Exercises Joins and Subqueries

Postgresql. numerous extensions available (postgres hstore/json/arrays, sqlite full-text- search, schema migrations, and much more). Peewee’s source code hosted on GitHub [https://github.com/coleifer/peewee] into the code More examples Contributing Patches Bugs Questions Query Examples Model Definitions Schema Creation Basic Exercises Joins and Subqueries Modifying Data Aggregation Recursion Database Initializing Changes in 3.0 Backwards-incompatible New stuff API Documentation Database Query-builder Fields Schema Manager Model Query-builder Internals Constants and Helpers SQLite Extensions Getting started APIs

Postgresql. • numerous extensions available (postgres hstore/json/arrays, sqlite full-text-search, schema migrations, and much more). Peewee’s source code hosted on GitHub. New to peewee? Here is a list the columns using an ALTER TABLE query. Alternatively, you can use the schema migrations extension to alter your database schema using Python. Establishing a database connection You may have noticed opens # a connection, calls function, and closes upon returning. db.create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API

Postgresql. • numerous extensions available (postgres hstore/json/arrays, sqlite full-text-search, schema migrations, and much more). Peewee’s source code hosted on GitHub. New to peewee? Here is a list the columns using an ALTER TABLE query. Alternatively, you can use the schema migrations extension to alter your database schema using Python. Establishing a database connection You may have noticed sample data-set can be found on the getting started page. Here is a visual representation of the schema used in these examples: 18 Chapter 1. Contents: peewee Documentation, Release 3.4.0 1.5.1 Model

Implementing Many to Many Avoiding the N+1 problem API Documentation Database Query-builder Fields Schema Manager Model Query-builder Internals Constants and Helpers SQLite Extensions Getting started Signal support pwiz, a model generator Schema Migrations Reflection Database URL Connection pool Test Utils Flask Utils Query Examples Model Definitions Schema Creation Basic Exercises Joins and Subqueries the columns using an ALTER TABLE query. Alternatively, you can use the schema migrations extension to alter your database schema using Python. Establishing a database connection You may have noticed

Postgresql. numerous extensions available (postgres hstore/json/arrays, sqlite full-text- search, schema migrations, and much more). Peewee’s source code hosted on GitHub [https://github.com/coleifer/peewee] into the code More examples Contributing Patches Bugs Questions Query Examples Model Definitions Schema Creation Basic Exercises Joins and Subqueries Modifying Data Aggregation Recursion Database Initializing Changes in 3.0 Backwards-incompatible New stuff API Documentation Database Query-builder Fields Schema Manager Model Query-builder Internals Constants and Helpers SQLite Extensions Getting started APIs

Postgresql. • numerous extensions available (postgres hstore/json/arrays, sqlite full-text-search, schema migrations, and much more). Peewee’s source code hosted on GitHub. New to peewee? Here is a list the columns using an ALTER TABLE query. Alternatively, you can use the schema migrations extension to alter your database schema using Python. Establishing a database connection You may have noticed sample data-set can be found on the getting started page. Here is a visual representation of the schema used in these examples: 18 Chapter 1. Contents: peewee Documentation, Release 3.3.0 1.5.1 Model

Postgresql. numerous extensions available (postgres hstore/json/arrays, sqlite full-text- search, schema migrations, and much more). Peewee’s source code hosted on GitHub [https://github.com/coleifer/peewee] into the code More examples Contributing Patches Bugs Questions Query Examples Model Definitions Schema Creation Basic Exercises Joins and Subqueries Modifying Data Aggregation Recursion Database Initializing Changes in 3.0 Backwards-incompatible New stuff API Documentation Database Query-builder Fields Schema Manager Model Query-builder Internals Constants and Helpers SQLite Extensions Getting started APIs

the columns using an ALTER TABLE query. Alternatively, you can use the schema migrations extension to alter your database schema using Python. Establishing a database connection You may have noticed opens # a connection, calls function, and closes upon returning. db.create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API level as DEFAULT and CHECK CON- STRAINT respectively, but any application change would require a schema change. Because of this, default is implemented purely in python and choices are not validated but

postgresql numerous extensions available (postgres hstore/json/arrays, sqlite full-text- search, schema migrations, and much more). Peewee’s source code hosted on GitHub [https://github.com/coleifer/peewee] applications Run-time database configuration Dynamically defining a database Connection Pooling Read Slaves Schema migrations Generating Models from Existing Databases Adding Request Hooks Additional connection initialization Generic foreign keys Hybrid Attributes Key/Value Store Shortcuts Signal support pwiz, a model generator Schema Migrations Reflection Database URL CSV Utils Connection pool Read Slaves Test Utils pskel Flask Utils