Column

abstract def apply(v1: Any, v2: MetaDataItem): Either[SqlRequestError, A]

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

def curried: (Any) ⇒ (MetaDataItem) ⇒ Either[SqlRequestError, A]

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

def map[B](f: (A) ⇒ B): Column[B]

If the column is successfully parsed, then apply the given function on the result.

import anorm.{ Column, SqlParser, SQL }

sealed trait MyEnum
case object Foo extends MyEnum
case object Bar extends MyEnum

val myEnumCol: Column[MyEnum] = Column.of[Int].map {
  case 1 => Right(Foo) // `Right` means successful
  case 2 => Right(Bar)
}

def find(id: String) =
  SQL"SELECT enum_code FROM my_table WHERE id = $id".
    as(SqlParser.scalar(myEnumCol).single)

final def mapResult[B](f: (A) ⇒ Either[SqlRequestError, B]): Column[B]

If the column is successfully parsed, then apply the given function on the result.

import anorm.{ Column, SqlParser, SQL }

sealed trait MyEnum
case object Foo extends MyEnum
case object Bar extends MyEnum

val myEnumCol: Column[MyEnum] = Column.of[Int].mapResult {
  case 1 => Right(Foo) // `Right` means successful
  case 2 => Right(Bar)
  case _ => Left(SqlMappingError("Unexpected"))
}

def find(id: String) =
  SQL"SELECT enum_code FROM my_table WHERE id = $id".
    as(SqlParser.scalar(myEnumCol).single)

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

def tupled: ((Any, MetaDataItem)) ⇒ Either[SqlRequestError, A]

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit