小编Max*_*ako的帖子

我有一个JOURNAL表,其中INSERT_DATE列应由DB填充,插入记录时的当前日期和时间.我没有故意使用TIMESTAMP类型,因为它的范围有限.

class Journal(tag: Tag) extends Table[JournalEntry](tag, "JOURNAL") { 
   def id = column[Int]("ID", O.PrimaryKey, O.AutoInc)
   def insertDate = column[OffsetDateTime]("INSERT_DATE", SqlType("DateTime default CURRENT_TIMESTAMP"))(localDateTimeColumnType)
   def valueDate = column[OffsetDateTime]("VALUE_DATE", SqlType("DateTime"))(localDateTimeColumnType)
   def amount = column[Int]("AMOUNT")
   def note = column[String]("NOTE", O.Length(100))

   def * : ProvenShape[JournalEntry] = (id.?, insertDate.?, valueDate, amount, note) 
     <> ((JournalEntry.apply _).tupled, JournalEntry.unapply)
}

我还实现了一个case类:

case class JournalEntry(id: Option[Int], insertDate: Option[LocalDateTime], 
  valueDate: LocalDateTime, amount: Int, note: String)

当我的应用程序启动时,我使用随机测试数据填充数据库:

TableQuery[Journal] ++= Seq.fill(1000)(JournalEntry(None, Some(LocalDateTime.now()), 
   LocalDateTime.of(2006 + Random.nextInt(10), 1 + Random.nextInt(11), 
   1 + Random.nextInt(27),Random.nextInt(24), Random.nextInt(60)), Random.nextInt(),
   TestDatabase.randomString(100))) …