我目前正在玩 Play 和 play-slick。以下代码给了我一个错误
class GenericRepository(protected val dbConfigProvider: DatabaseConfigProvider) extends HasDatabaseConfigProvider[JdbcProfile] {
import driver.api._
implicit val localDateTimeColumnType = MappedColumnType.base[LocalDateTime, Timestamp](
d => Timestamp.from(d.toInstant(ZoneOffset.ofHours(0))),
d => d.toLocalDateTime
)
protected trait GenericTable {
this: Table[_] =>
def id = column[Long]("id", O.PrimaryKey, O.AutoInc)
def createdAt = column[LocalDateTime]("created_at")
def updatedAt = column[LocalDateTime]("updated_at")
}
protected class CrudRepository[T <: AbstractTable[_] with GenericRepository#GenericTable](private val tableQuery: TableQuery[T]) {
def all = db.run(tableQuery.to[List].result)
def create(obj: T#TableElementType) = db.run(tableQuery returning tableQuery.map(_.id) += obj)
def delete(id: Long) = db.run(tableQuery.filter(_.id === id).delete)
}
}
错误:
value delete is not a member of slick.lifted.Query[T,T#TableElementType,Seq]
我已经用谷歌搜索了很多,但没有解决方案对我有用。例如,我尝试替换'import driver.api。' 和 ' 导入 slick.driver.H2Driver.api。' 没有任何运气。
我正在使用带有 play-slick 2.0.2 和 Play 2.5 的 Scala 2.11.7。