Scala Slick- Scala 数据库访问库
Scala ORM/持久层框架
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详细介绍
Slick 是 TypeSafe 推出的 Scala 数据库访问库。开发者可以使用 Scala 语言风格来编写数据查询,而不是用 SQL,示例代码:
object Coffees extends Table[(String, Int, Double)]("COFFEES") {
def name = column[String]("COF_NAME", O.PrimaryKey)
def supID = column[Int]("SUP_ID")
def price = column[Double]("PRICE")
def * = name ~ supID ~ price
}
Coffees.insertAll(
("Colombian", 101, 7.99),
("Colombian_Decaf", 101, 8.99),
("French_Roast_Decaf", 49, 9.99)
)
val q = for {
c <- Coffees if c.supID === 101
// ^ comparing Rep[Int] to Rep[Int]!
} yield (c.name, c.price)
println(q.selectStatement)
q.foreach { case (n, p) => println(n + ": " + p) }
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