纯 Swift 封装的 SQLite 框架：SQLite.swift

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

import SQLite

let db = Database("path/to/db.sqlite3")

db.execute(

    "CREATE TABLE users (" +

        "id INTEGER PRIMARY KEY, " +

        "email TEXT NOT NULL UNIQUE, " +

        "manager_id INTEGER, " +

        "FOREIGN KEY(manager_id) REFERENCES users(id)" +

    ")"

)

let stmt = db.prepare("INSERT INTO users (email) VALUES (?)")

for email in ["[email protected]", "[email protected]"] {

    stmt.run(email)

}

db.totalChanges // 2

db.lastChanges  // {Some 1}

db.lastID       // {Some 2}

for row in db.prepare("SELECT id, email FROM users") {

    println(row)

    // [Optional(1), Optional("[email protected]")]

    // [Optional(2), Optional("[email protected]")]

}

db.scalar("SELECT count(*) FROM users") // {Some 2}

let jr = db.prepare("INSERT INTO users (email, manager_id) VALUES (? ?)")

db.transaction(

    stmt.run("[email protected]"),

    jr.run("[email protected]", db.lastID)

)