SQLite.swift是一个使用纯Swift语言封装SQLite3的操作框架。
特性：
简单的查询和参数绑定接口
安全、自动类型数据访问
隐式提交和回滚接口
开发者友好的错误处理和调试
文档完善
通过广泛测试
示例代码：
import SQLitelet 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 ["alice@example.com", "betsy@example.com"] { stmt.run(email)}db.totalChanges // 2db.lastChanges // {Some 1}db.lastID // {Some 2}for row in db.prepare("SELECT id, email FROM users") { println(row) // [Optional(1), Optional("betsy@example.com")] // [Optional(2), Optional("alice@example.com")]}db.scalar("SELECT count(*) FROM users") // {Some 2}let jr = db.prepare("INSERT INTO users (email, manager_id) VALUES (? ?)")db.transaction( stmt.run("dolly@example.com"), jr.run("emery@example.com", db.lastID))
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