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我想用普通的 SQL 构造我的查询,然后使用 Quill 运行它,我使用的是中缀运算符。我的代码是这样的。

case class Employee(name: String, age: String, company_name: String)

case class Company(name: String, pin_code: String)

case class CombinedEmployee(employee_age: Int,
                      employee_name: Option[String],
                      company_name: String,
                      pin: Option[String])

val sql =    "SELECT t1.age AS employee_age, t1.name AS employee_name, t2.name AS company_name, t2.pin as pin FROM employee t1 JOIN company t2 ON t1.company_name = t2.name"

// 它可以是动态计算的任何东西。

def rawQuery = quote { (myQuery: String) =>
 infix"""$myQuery"""
 .as[Query[CombinedEmployee]]
 }

我在打电话

    ctx.translate(rawQuery(lift(sql)))

这打印

        SELECT x.employee_age, x.employee_name, x.company_name, x.pin FROM ('SELECT t1.age AS employee_age, t1.name AS employee_name, t2.name AS company_name, t2.pin as pin FROM employee t1 JOIN company t2 ON t1.company_name = t2.name') AS x 

这是错误的语法,当我使用run方法执行此操作时失败。编写普通 SQL 的方式是否正确?如果不是,是否有其他方法可以将普通 SQL 和模型运行到案例类中?

4

1 回答 1

1

这可以通过添加#之前解决$

def rawQuery = quote { (myQuery: String) =>
 infix"""#$myQuery"""
 .as[Query[CombinedEmployee]]

}

于 2020-02-17T13:25:47.747 回答