. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 1.11 Performance Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 minutes to go through it. • Example queries taken from the PostgreSQL exercises website. • Guide to the various query operators describes how to construct queries and combine expressions. • Field types particularly if you use SQLite. • apsw: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. • gevent

and 10 minutes to go through it. Guide to the various query operators describes how to construct queries and combine expressions. Field types table lists the various field types peewee supports and the Connection Management Connection Pooling Framework Integration Executing Queries Managing Transactions Database Errors Logging queries Adding a new Database Driver Models and Fields Fields Creating model Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions Context manager

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 1.11 Performance Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 minutes to go through it. • Example queries taken from the PostgreSQL exercises website. • Guide to the various query operators describes how to construct queries and combine expressions. • Field types particularly if you use SQLite. • apsw: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. • gevent

to go through it. Example queries taken from the PostgreSQL exercises website [https://pgexercises.com]. Guide to the various query operators describes how to construct queries and combine expressions Peewee Applications Async with Gevent Framework Integration Executing Queries Managing Transactions Database Errors Logging queries Adding a new Database Driver Models and Fields Fields Field-naming conflicts Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions Context manager

app written using Flask framework. Guide to the various query operators describes how to construct queries and combine expressions. Field types table lists the various field types peewee supports and the Peewee Applications Async with Gevent Framework Integration Executing Queries Managing Transactions Database Errors Logging queries Adding a new Database Driver Models and Fields Fields Creating model dictionaries / namedtuples Returning Clause Foreign Keys and Joins Implementing Many to Many Self-joins Performance Techniques Query operators Three valued logic Adding user-defined operators Expressions SQL Functions

to go through it. Example queries taken from the PostgreSQL exercises website [https://pgexercises.com]. Guide to the various query operators describes how to construct queries and combine expressions Connection Pooling Testing Peewee Applications Framework Integration Executing Queries Managing Transactions Database Errors Logging queries Adding a new Database Driver Models and Fields Fields Creating model Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions Context manager

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 1.11 Performance Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 10 minutes to go through it. • Guide to the various query operators describes how to construct queries and combine expressions. • Field types table lists the various field types peewee supports and the particularly if you use SQLite. • apsw: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. • pycrypto

written using Flask framework. • Guide to the various query operators describes how to construct queries and combine expressions. • Field types table lists the various field types peewee supports and the particularly if you use SQLite. • apsw: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. • gevent environment variable: $ NO_SQLITE=1 python setup.py build 1.2 Quickstart This document presents a brief, high-level overview of Peewee’s primary features. This guide will cover: • Model Definition 4 Chapter

and 10 minutes to go through it. Guide to the various query operators describes how to construct queries and combine expressions. Field types table lists the various field types peewee supports and the Advanced Connection Management Using multiple databases Database Errors Automatic Reconnect Logging queries Generating skeleton code Adding a new Database Driver Models and Fields Fields Creating model Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions Context manager

Peewee Applications Async with Gevent Framework Integration Executing Queries Managing Transactions Database Errors Logging queries Adding a new Database Driver Models and Fields Fields Creating model Modifying Data Aggregation Recursion Query Builder Declaring tables Select queries Insert queries Update queries Delete queries Query Objects More Hacks Optimistic Locking Top object per group Top N apsw [https://github.com/rogerbinns/apsw]: an optional 3rd-party SQLite binding offering greater performance and comprehensive support for SQLite’s C APIs. Use with APSWDatabase. gevent [http://www.gevent