odb-examples/2.5.0

ODB is an open-source, cross-platform, and cross-database object-relational mapping (ORM) system for C++. It allows you to persist C++ classes to a relational database without having to deal with tables, columns, or SQL and without manually writing any mapping code.

For further information, including licensing conditions, documentation, and binary packages, refer to the ODB project page.

This package contains examples of using ODB with the following list giving an overview of the available examples. See the README file accompanying each example for more information. See odb-tests/README.md for instructions on setting up various databases to run these examples.

Note also that most of the examples use the --table-prefix ODB compiler option to assign a unique prefix to tables created by each example. This is done to allow examples to run against the same database without causing any schema conflicts. You don't have to use this option in your own applications.

hello

A "Hello World" example that shows how to use ODB to perform basic database operations.

query

Shows how to use the ODB Query Language to search the database for persistent objects matching certain criteria.

composite

Shows how to declare and use composite value types.

container

Shows how to use containers as data members in persistent objects.

relationship

Shows how to declare and use unidirectional to-one and to-many relationships.

inverse

Shows how to declare and use bidirectional one-to-one, one-to-many, and many-to-many relationships.

inheritance/reuse

Shows how to use reuse inheritance with ODB.

inheritance/polymorphism

Shows how to use polymorphism inheritance with ODB.

section

Shows how to use object sections to implement lazy-loading and change-updating of a subset of data members in a persistent class.

view

Shows how to define and use object, table, mixed, and native views.

prepared

Shows how to use prepared queries.

optimistic

Shows how to use optimistic concurrency in ODB.

pimpl

Shows how to use virtual data members to implement a persistent class that employs the pimpl C++ idiom.

c++11

Shows how to use ODB with C++11.

access

Shows various approaches used by ODB to access data members that cannot be accessed directly.

boost

Shows how to persist objects that use Boost smart pointers, containers, and value types with the help of the Boost profile library (libodb-boost).

qt

Shows how to persist objects that use Qt smart pointers, containers, and value types with the help of the Qt profile library (libodb-qt).

schema/embedded

Shows how to generate and use a database schema that is embedded into the application.

schema/custom

Shows how to map persistent C++ classes to a custom database schema.

mapping

Shows how to customize the mapping between C++ value types and database types.