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Release: 1.0.12 | Release Date: February 15, 2016

SQLAlchemy 1.0 Documentation

SQLAlchemy 1.0 Documentation

Contents | Index | PDF

SQLAlchemy ORM

Object Relational Tutorial
Mapper Configuration
- Types of Mappings
- Mapping Columns and Expressions¶
- Mapping Class Inheritance Hierarchies
- Non-Traditional Mappings
- Configuring a Version Counter
- Class Mapping API
Relationship Configuration
Loading Objects
Using the Session
Events and Internals
ORM Extensions
ORM Examples

Project Versions

1.0.12

Mapping Columns and Expressions¶

The following sections discuss how table columns and SQL expressions are mapped to individual object attributes.

Mapping Table Columns
SQL Expressions as Mapped Attributes
Changing Attribute Behavior
Composite Column Types
- Tracking In-Place Mutations on Composites
- Redefining Comparison Operations for Composites

Previous: Types of Mappings Next: Mapping Table Columns

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