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HuntLabs / dbalDApache-2.0

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Dbal 是 HuntLabs 开发的D语言(dlang)数据库驱动层,类似 PHP 的 PDO、JAVA 的 JDBC,内置连接池支持。
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Database abstraction layer for D programing language, support PostgreSQL / MySQL / SQLite.


import std.stdio;
import std.experimental.logger;

import database;

void main()
    writeln("run database MySQL demo.");

    auto db = new Database("mysql://root:123456@localhost:3306/test?charset=utf-8");

    int result = db.execute(`INSERT INTO user(username) VALUES("test")`);

    foreach(row; db.query("SELECT * FROM user LIMIT 10"))


Use DatabaseOption to instantiate a Database object

auto options = new DatabaseOption("mysql://root:123456@localhost:3306/test");

auto db = new Database(options);

db.execute("SET NAMES utf8");


  • int Database.execute(string sql) Return number of execute result.
    int result = db.execute('INSERT INTO user(username) VALUES("Brian")');
    // if execute error ,db will throw an DatabaseException
  • ResultSet Database.query(sql) Return ResultSet object for query(SELECT).
    ResultSet rs = db.query("SELECT * FROM user LIMIT 10");
  • Statement Database.prepare(sql) Create a prepared Statement object.
   Statement stmt = db.prepare("SELECT * FROM user where username = :username and age = :age LIMIT 10");
  • Statement.setParameter(param, value) : bind param's value to :param for sql.
   stmt.setParameter("username", "viile");
   stmt.setParameter("age", 18);
  • ResultSet Statement.query() Return ResultSet
    ResultSet rs = stmt.query();
    foreach(row; rs)
  • Row Statement.fetch() Return Row
    Row row = stmt.fetch();
  • int Statement.execute() : return execute status for prepared Statement object.
    int result = stmt.execute();
  • Statement.lastInsertId() : Statement.execute() for insert sql, return lastInsertId.

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