Trait/Object

anorm

RowParser

Related Docs: object RowParser | package anorm

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trait RowParser[+A] extends (Row) ⇒ SqlResult[A]

Self Type
RowParser[A]
Source
SqlParser.scala
Linear Supertypes
(Row) ⇒ SqlResult[A], AnyRef, Any
Known Subclasses
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Inherited
  1. RowParser
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Abstract Value Members

  1. abstract def apply(v1: Row): SqlResult[A]

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    Definition Classes
    Function1

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. def *: ResultSetParser[List[A]]

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    Returns possibly empty list parsed from result.

    Returns possibly empty list parsed from result.

    val price = 125
    SQL"SELECT name FROM item WHERE price < \$price".as(scalar[String].*)
  4. def +: ResultSetParser[List[A]]

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    Returns non empty list parse from result, or raise error if there is no result.

    Returns non empty list parse from result, or raise error if there is no result.

    import anorm.SQL
    import anorm.SqlParser.str
    
    val parser = str("title") ~ str("descr")
    SQL("SELECT title, descr FROM pages").as(parser.+) // at least 1 page
  5. def <~[B](p: RowParser[B]): RowParser[A]

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    Combines this current parser with the one given as argument p, if and only if the current parser can first successfully parse a row, without keeping the values of the parser p.

    Combines this current parser with the one given as argument p, if and only if the current parser can first successfully parse a row, without keeping the values of the parser p.

    import anorm.{ SQL, SqlParser }, SqlParser.{ int, str }
    
    val Int = SQL("SELECT * FROM test").
      as((int("id") <~ str("val")).single)
    // row has to have an int column 'id' and a string 'val' one,
    // keeping only 'id' in result
  6. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  7. def >>[B](f: (A) ⇒ RowParser[B]): RowParser[B]

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    Alias for flatMap

  8. def ?: RowParser[Option[A]]

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    Returns a row parser for optional column, that will turn missing or null column as None.

  9. def andThen[A](g: (SqlResult[A]) ⇒ A): (Row) ⇒ A

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    Definition Classes
    Function1
    Annotations
    @unspecialized()
  10. final def asInstanceOf[T0]: T0

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  11. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    @throws( ... )
  12. def collect[B](otherwise: String)(f: PartialFunction[A, B]): RowParser[B]

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    Returns parser which collects information from already parsed row data using f.

    Returns parser which collects information from already parsed row data using f.

    otherwise

    Message returned as error if nothing can be collected using f.

    f

    Collecting function

  13. def compose[A](g: (A) ⇒ Row): (A) ⇒ SqlResult[A]

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    Definition Classes
    Function1
    Annotations
    @unspecialized()
  14. final def eq(arg0: AnyRef): Boolean

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  15. def equals(arg0: Any): Boolean

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  16. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  17. def flatMap[B](k: (A) ⇒ RowParser[B]): RowParser[B]

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  18. final def getClass(): Class[_]

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  19. def hashCode(): Int

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  20. final def isInstanceOf[T0]: Boolean

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    Any
  21. def map[B](f: (A) ⇒ B): RowParser[B]

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    Returns a parser that will apply given function f to the result of this first parser.

    Returns a parser that will apply given function f to the result of this first parser. If the current parser is not successful, the new one will return encountered Error.

    f

    Function applied on the successful parser result

    import anorm.{ RowParser, SQL, SqlParser }
    val parser: RowParser[Int] = SqlParser.str("col").map(_.length)
    // Prepares a parser that first get 'col' string value,
    // and then returns the length of that
  22. final def ne(arg0: AnyRef): Boolean

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  23. final def notify(): Unit

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  24. final def notifyAll(): Unit

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    AnyRef
  25. def single: ResultSetParser[A]

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    Returns a result set parser expecting exactly one row to parse.

    Returns a result set parser expecting exactly one row to parse.

    val b: Boolean = SQL("SELECT flag FROM Test WHERE id = :id").
      on("id" -> 1).as(scalar[Boolean].single)
    See also

    #singleOpt

  26. def singleOpt: ResultSetParser[Option[A]]

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    Returns a result set parser for none or one parsed row.

    Returns a result set parser for none or one parsed row.

    val name: Option[String] =
      SQL("SELECT name FROM Country WHERE lang = :lang")
      .on("lang" -> "notFound").as(scalar[String].singleOpt)
  27. final def synchronized[T0](arg0: ⇒ T0): T0

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    AnyRef
  28. def toString(): String

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    Function1 → AnyRef → Any
  29. final def wait(): Unit

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    Annotations
    @throws( ... )
  30. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  31. final def wait(arg0: Long): Unit

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    Definition Classes
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    Annotations
    @throws( ... )
  32. def |[B >: A](p: RowParser[B]): RowParser[B]

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  33. def ~[B](p: RowParser[B]): RowParser[~[A, B]]

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    Combines this parser on the left of the parser p given as argument.

    Combines this parser on the left of the parser p given as argument.

    p

    Parser on the right

    val populations: List[String ~ Int] =
      SQL("SELECT * FROM Country").as((str("name") ~ int("population")).*)
  34. def ~>[B](p: RowParser[B]): RowParser[B]

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    Combines this current parser with the one given as argument p, if and only if the current parser can first/on left side successfully parse a row, without keeping these values in parsed result.

    Combines this current parser with the one given as argument p, if and only if the current parser can first/on left side successfully parse a row, without keeping these values in parsed result.

    import anorm.{ SQL, SqlParser }, SqlParser.{ int, str }
    
    val String = SQL("SELECT * FROM test").
      as((int("id") ~> str("val")).single)
    // row has to have an int column 'id' and a string 'val' one,
    // keeping only 'val' in result

Inherited from (Row) ⇒ SqlResult[A]

Inherited from AnyRef

Inherited from Any

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