小编Sat*_*aka的帖子

每当我收到给定id的更新请求时,我都会尝试更新DB表中的masterId和updatedDtTm列(我不想更新我的createdDtTm).以下是我的代码:

case class Master(id:Option[Long] = None,masterId:String,createdDtTm:Option[java.util.Date],
                      updatedDtTm:Option[java.util.Date])

/**
 * This is my Slick Mapping table
 * with the default projection
 */
`class MappingMaster(tag:Tag) extends
Table[Master](tag,"master") {

    implicit val DateTimeColumnType = MappedColumnType.base[java.util.Date, java.sql.Timestamp](
    {
      ud => new Timestamp(ud.getTime)
    }, {
      sd => new java.util.Date(sd.getTime)
    })
    def id = column[Long]("id",O.PrimaryKey,O.AutoInc)
    def masterId = column[String]("master_id")
    def createdDtTm = column[java.util.Date]("created_dttm")
    def updatedDtTm = column[java.util.Date]("updated_dttm")

    def * = (id.? , masterId , createdDtTm.? , updatedDtTm.?) <>
      ((Master.apply _).tupled , Master.unapply _) }

/**
 * Some …