C++的數據庫持久層框架 LiteSQL

LiteSQL 是一個C++的數據庫持久層框架，支持 SQLite3、MySQL和PostgreSQL數據庫。

• SQLite3, PostgreSQL, MySQL and Oracle-backend support
• C++ object persistence (store, update, retrieve)
• relational operations (filtering, ordering, referencing other objects)
• automatic database structure maintenance (creates, updates and drops tables/indices behind the scenes)
• C++ template based database API -> no SQL queries by hand

示例代碼：

<?xml version="1.0"?>
<!DOCTYPE database SYSTEM "litesql.dtd">
<database name="PersonDatabase">
    <object name="Person">
        <field name="name" type="string"/>
    </object>
</database>

PersonDatabase db("sqlite3", "database=person.db");Person person(db); // construct Person, does not write anything to database

person.name = "Bob"; // assign values to fields
person.age = 20;
person.update(); // writes a new record to database

person.age = 21; // Bob got just older
person.update(); // updates old record

person.id = 100; // force internal identifier (id) to 100 
person.update(); // updates old record

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