sqlite3 1.0.0

SQLite3 interface, designed with simplicity and compile time verification in mind.

To use this package, put the following dependency into your project's dependencies section:


This is a small, simple yet powerful interface on top of sqlite3. It is intended for simplicty and safety when using a database from application code. It is not intended for server side / enterprise database access.


struct User {
	@sqlname("rowid") id;
	string name;
	int age;

auto db = new Database("test.db");

User user = { name : "jake", age : 45 }; // rowid is not inserted, no need to set

db.insert(user); // Rely on auto table creation when insert fails
User[] users = array(db.selectAllWhere!(User, "age > ?")(30));
auto jake = db.selectRowId!User(1);
assert(jake.name == users[0].name == "jake");


The SQLite3 class is how you create or open a sqlite3 database.

auto db = new SQLite3("datafile.db");

Use exec() for commands that you do not need results from. Parameter types must match database types or an exception will be thrown.

db.exec("CREATE TABLE IF NOT EXISTS user (name TEXT, id INT, image BLOB)");

string userName = "james";
ulong id = 123;

db.exec("INSERT INTO user (name, id) VALUES (?, ?)", name, id);
db.exec("INSERT INTO user (name, id) VALUES (?, ?)", id, name); // <-- Will throw an exception

Use the method query() when you want to read results.

auto q = db.query("SELECT id,name FROM user WHERE name like ?", "a%");

Use step() and get(T)() to fetch rows from the result. get() will use compile time reflection to create an object of the given class using the row result.

struct User {
    ulong id;
    string name;
    void[] pixels;

User[] users;
auto q = db.query("SELECT id,name FROM user");
while(q.step()) {
    users ~= q.get!User;

Blobs are supported using void[].

void[] pixels;
db.exec("INSERT INTO user (image) VALUES (?)", pixels);

Note that get() can be called with a struct as above, or a type tuple, or just a single type when that is all you want.

auto q = db.query("SELECT image FROM user WHERE id=?", id);
auto pixels2 = q.get!(void[])();

If you haven't called step() on a query, it will be called automatically by get()

auto id = db.query("SELECT id FROM user WHERE name=?", userName).get!ulong();


Use the QueryBuilder class to construct sql queries using compile time arguments and information;

alias Q = QueryBuilder!();

struct User {
    string name;
    int age;

User u = { name : "jake", age : 45 };

// Generate and perform a CREATE TABLE User(name STRING, age INT) ...

// Generate and perform an INSERT

// Generate a SELECT statement and create a query from it;
auto query = db.query(Q.select!"name".from!User.where!"age>?"(30));
// (Column names are checked against field in structs , so if "name" had been
// misspelled the above would not compile).


The Database class combines the functionality of QueryBuilder with SQLite3 and allows for usage such as;

	foreach(user ; db.selectAllWhere(User, "age > ?")("30"))
	int age = db.selectOneWhere(User, "name == ?")("jake").age;
Jonas Minnberg
1.0.0 2017-Jun-12
~master 2017-Jun-14
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