Psycopg - PostgreSQL database adapter for Python - Psycopg documentation
Psycopg 2.8.5 documentation
Psycopg - PostgreSQL database adapter for Python
Psycopg
is the most popular
PostgreSQL
database adapter for the
Python
programming language. Its main features are the complete implementation of
the Python
DB API 2.0
specification and the thread safety (several threads can
share the same connection). It was designed for heavily multi-threaded
applications that create and destroy lots of cursors and make a large number
of concurrent
INSERT
s or
UPDATE
s.
Psycopg 2 is mostly implemented in C as a libpq wrapper, resulting in being both efficient and secure. It features client-side and server-side cursors, asynchronous communication and notifications , COPY support. Many Python types are supported out-of-the-box and adapted to matching PostgreSQL data types ; adaptation can be extended and customized thanks to a flexible objects adaptation system .
Psycopg 2 is both Unicode and Python 3 friendly.
Contents
- Installation
- Basic module usage
-
The
psycopg2
module content -
The
connection
class -
The
cursor
class - More advanced topics
-
psycopg2.extensions
- Extensions to the DB API -
psycopg2.extras
- Miscellaneous goodies for Psycopg 2 -
psycopg2.errors
- Exception classes mapping PostgreSQL errors -
psycopg2.sql
- SQL string composition -
psycopg2.tz
-tzinfo
implementations for Psycopg 2 -
psycopg2.pool
- Connections pooling -
psycopg2.errorcodes
- Error codes defined by PostgreSQL - Frequently Asked Questions
- Release notes
- License
Indices and tables