Question 1

How do I install sqlite_orm in a C++ project?

Accepted Answer

You can install it via package managers like vcpkg with 'vcpkg install sqlite-orm', or use CMake's find_package or fetchContent methods. Ensure SQLite3 is installed on your system for proper linking.

Question 2

sqlite_orm vs SQLiteCpp: which should I choose?

Accepted Answer

sqlite_orm offers a type-safe ORM with no raw SQL, while SQLiteCpp uses raw strings. Choose sqlite_orm for modern C++ safety and abstraction, but SQLiteCpp if you prefer direct SQL control and simpler setup.

Question 3

How to perform a JOIN query in sqlite_orm?

Accepted Answer

Use functions like left_join or inner_join with an on clause, as shown in the README. For example, 'left_join<Visit>(on(c(&Doctor::id) == &Visit::doctorId))' constructs a type-safe JOIN without raw SQL.

Question 4

What license is needed for a commercial app using sqlite_orm?

Accepted Answer

For commercial use, you must purchase the MIT license for $50; otherwise, comply with AGPL, which requires open-sourcing your project. This dual model can affect licensing decisions.

Question 5

Does sqlite_orm support custom data type mappings?

Accepted Answer

Yes, it allows binding user-defined types to database columns, enabling seamless integration of custom structures. The README demonstrates this with examples like std::vector<char> for BLOBs.

Question 6

How to handle transactions and rollbacks in sqlite_orm?

Accepted Answer

Use the transaction function with a lambda that returns true for commit or false for rollback. Alternatively, explicitly call begin_transaction, commit, and rollback for more control.

sqlite_orm

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