Record

Overview

Creating Record Instances

• init()

  Creates a Record.

• init(row: Row) throws

  Creates a Record from a row.

Encoding a Database Row

• func encode(to: inout PersistenceContainer) throws

  Encodes the record into the provided persistence container.

Changes Tracking

• var databaseChanges: [String : DatabaseValue?]

  A dictionary of changes that have not been saved.

• var hasDatabaseChanges: Bool

  A boolean value indicating whether the record has changes that have not been saved.

• func updateChanges(Database) throws -> Bool

  If the record has been changed, executes an UPDATE statement so that those changes and only those changes are saved in the database.

Persistence Callbacks

• func willSave(Database) throws

  Called before the record is updated or inserted.

• func willInsert(Database) throws

  Called before the record is inserted.

• func willUpdate(Database, columns: Set<String>) throws

  Called before the record is updated.

• func willDelete(Database) throws

  Called before the record is deleted.

• func didSave(PersistenceSuccess)

  Called upon successful update or insertion.

• func didInsert(InsertionSuccess)

  Called upon successful insertion.

• func didUpdate(PersistenceSuccess)

  Called upon successful update.

• func didDelete(deleted: Bool)

  Called upon successful deletion.

• func aroundSave(Database, save: () throws -> PersistenceSuccess) throws

  Called around the record update or insertion.

• func aroundInsert(Database, insert: () throws -> InsertionSuccess) throws

  Called around the record insertion.

• func aroundUpdate(Database, columns: Set<String>, update: () throws -> PersistenceSuccess) throws

  Called around the record update.

• func aroundDelete(Database, delete: () throws -> Bool) throws

  Called around the destruction of the record.