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49 lines
3.3 KiB
49 lines
3.3 KiB
4 years ago
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## Playhouse
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The `playhouse` namespace contains numerous extensions to Peewee. These include vendor-specific database extensions, high-level abstractions to simplify working with databases, and tools for low-level database operations and introspection.
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### Vendor extensions
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* [SQLite extensions](http://docs.peewee-orm.com/en/latest/peewee/sqlite_ext.html)
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* Full-text search (FTS3/4/5)
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* BM25 ranking algorithm implemented as SQLite C extension, backported to FTS4
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* Virtual tables and C extensions
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* Closure tables
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* JSON extension support
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* LSM1 (key/value database) support
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* BLOB API
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* Online backup API
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* [APSW extensions](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#apsw): use Peewee with the powerful [APSW](https://github.com/rogerbinns/apsw) SQLite driver.
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* [SQLCipher](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#sqlcipher-ext): encrypted SQLite databases.
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* [SqliteQ](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#sqliteq): dedicated writer thread for multi-threaded SQLite applications. [More info here](http://charlesleifer.com/blog/multi-threaded-sqlite-without-the-operationalerrors/).
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* [Postgresql extensions](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#postgres-ext)
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* JSON and JSONB
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* HStore
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* Arrays
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* Server-side cursors
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* Full-text search
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* [MySQL extensions](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#mysql-ext)
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### High-level libraries
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* [Extra fields](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#extra-fields)
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* Compressed field
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* PickleField
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* [Shortcuts / helpers](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#shortcuts)
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* Model-to-dict serializer
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* Dict-to-model deserializer
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* [Hybrid attributes](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#hybrid)
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* [Signals](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#signals): pre/post-save, pre/post-delete, pre-init.
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* [Dataset](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#dataset): high-level API for working with databases popuarlized by the [project of the same name](https://dataset.readthedocs.io/).
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* [Key/Value Store](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#kv): key/value store using SQLite. Supports *smart indexing*, for *Pandas*-style queries.
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### Database management and framework support
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* [pwiz](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#pwiz): generate model code from a pre-existing database.
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* [Schema migrations](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#migrate): modify your schema using high-level APIs. Even supports dropping or renaming columns in SQLite.
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* [Connection pool](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#pool): simple connection pooling.
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* [Reflection](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#reflection): low-level, cross-platform database introspection
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* [Database URLs](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#db-url): use URLs to connect to database
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* [Test utils](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#test-utils): helpers for unit-testing Peewee applications.
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* [Flask utils](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#flask-utils): paginated object lists, database connection management, and more.
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