Std.Db.Repository

19 public declarations

• all&Std.Db.Driver.Rows -> fn(Std.Db.Driver.Rows, Int) -> Result[T, Std.Db.Repository.RowError] -> Result[Array[T], Std.Db.Repository.RowError]

  Every row as a value.

  fn
• changed&Std.Db.Driver.Rows -> Int

  How many rows a statement that produced none reported changing.

  fn
• column&Std.Db.Driver.Rows -> Str -> fn(Str) -> Option[T] -> Result[Array[T], Std.Db.Repository.RowError]

  One column of every row, mapped.

  fn
• count&Std.Db.Driver.Rows -> Int -> Str -> Result[Int, Std.Db.Repository.RowError]

  One column as a count, which may not.

  fn
• explain&Std.Db.Repository.RowError -> Str

  What a refusal says.

  fn
• first&Std.Db.Driver.Rows -> fn(Std.Db.Driver.Rows, Int) -> Result[T, Std.Db.Repository.RowError] -> Result[Option[T], Std.Db.Repository.RowError]

  The first row as a value, for a caller that asked for several and means it.

  fn
• hasColumn&Std.Db.Driver.Rows -> Str -> Bool

  Whether a result has a column of that name.

  fn
• Mapper

  How a row becomes a value.

  type
• nameOf&Std.Db.Repository.Repository[T, K] -> Str

  What the repository is over.

  fn
• one&Std.Db.Driver.Rows -> fn(Std.Db.Driver.Rows, Int) -> Result[T, Std.Db.Repository.RowError] -> Result[T, Std.Db.Repository.RowError]

  Exactly one row as a value.

  fn
• optional&Std.Db.Driver.Rows -> fn(Std.Db.Driver.Rows, Int) -> Result[T, Std.Db.Repository.RowError] -> Result[Option[T], Std.Db.Repository.RowError]

  At most one row as a value.

  fn
• optionalText&Std.Db.Driver.Rows -> Int -> Str -> Result[Option[Str], Std.Db.Repository.RowError]

  One column of one row as text, which must be there and may hold nothing.

  fn
• repositoryStr -> fn(K) -> Result[Option[T], Std.Db.Repository.RowError] -> fn() -> Result[Array[T], Std.Db.Repository.RowError] -> fn(T) -> Result[Int, Std.Db.Repository.RowError] -> fn(K) -> Result[Int, Std.Db.Repository.RowError] -> Std.Db.Repository.Repository[T, K]

  A repository from its operations.

  fn
• Repository

  What a program can do with one kind of thing.

  type
• RowError

  Why a row would not become a value.

  type
• text&Std.Db.Driver.Rows -> Int -> Str -> Result[Str, Std.Db.Repository.RowError]

  One column of one row as text, which must be there and must hold something.

  fn
• truth&Std.Db.Driver.Rows -> Int -> Str -> Result[Bool, Std.Db.Repository.RowError]

  One column as a truth.

  fn
• whole&Std.Db.Driver.Rows -> Int -> Str -> Result[Int, Std.Db.Repository.RowError]

  One column as a whole number, which may be below nothing.

  fn
• wholeOr&Std.Db.Driver.Rows -> Int -> Str -> Int -> Result[Int, Std.Db.Repository.RowError]

  One column as a whole number, or a fallback when it holds nothing.

  fn