Release: 1.4.25
current release
| Release Date: September 22, 2021
SQLAlchemy 1.4 Documentation
Using the Session¶
The declarative base and ORM mapping functions described at
Mapper Configuration are the primary configurational interface for the
ORM. Once mappings are configured, the primary usage interface for
persistence operations is the
Session.
- Session Basics
- State Management
- Cascades
- Transactions and Connection Management
- Additional Persistence Techniques
- Embedding SQL Insert/Update Expressions into a Flush
- Using SQL Expressions with Sessions
- Forcing NULL on a column with a default
- Fetching Server-Generated Defaults
- Using INSERT, UPDATE and ON CONFLICT (i.e. upsert) to return ORM Objects
- Partitioning Strategies (e.g. multiple database backends per Session)
- Bulk Operations
- Contextual/Thread-local Sessions
- Tracking queries, object and Session Changes with Events
- Session API
Previous:
Query API
Next:
Session Basics
© Copyright 2007-2021, the SQLAlchemy authors and contributors.
flambé! the dragon and The Alchemist image designs created and generously donated by Rotem Yaari.
Created using Sphinx 4.2.0.