GroupBy
public struct GroupBy<D> : GroupByClause, QueryClause, Hashable where D : DynamicObject
The GroupBy
clause specifies that the result of a query be grouped accoording to the specified key path.
-
Initializes a
GroupBy
clause with an empty list of key path stringsDeclaration
Swift
public init()
-
Initializes a
GroupBy
clause with a list of key path stringsDeclaration
Swift
public init(_ keyPath: KeyPathString, _ keyPaths: KeyPathString...)
Parameters
keyPath
a key path string to group results with
keyPaths
a series of key path strings to group results with
-
Initializes a
GroupBy
clause with a list of key path stringsDeclaration
Swift
public init(_ keyPaths: [KeyPathString])
Parameters
keyPaths
a list of key path strings to group results with
-
Declaration
Swift
public typealias ObjectType = D
-
Declaration
Swift
public let keyPaths: [KeyPathString]
-
Declaration
Swift
public func hash(into hasher: inout Hasher)
-
Declaration
Swift
public var debugDescription: String { get }
-
Initializes a
GroupBy
clause with a key pathDeclaration
Swift
public init<T>(_ keyPath: KeyPath<D, T>)
Parameters
keyPath
a key path to group results with
-
Initializes a
GroupBy
clause with a key pathDeclaration
Swift
public init<T>(_ keyPath: KeyPath<D, ValueContainer<D>.Required<T>>) where T : ImportableAttributeType
Parameters
keyPath
a key path to group results with
-
Initializes a
GroupBy
clause with a key pathDeclaration
Swift
public init<T>(_ keyPath: KeyPath<D, ValueContainer<D>.Optional<T>>) where T : ImportableAttributeType
Parameters
keyPath
a key path to group results with
-
Initializes a
GroupBy
clause with a key pathDeclaration
Swift
public init<T>(_ keyPath: KeyPath<D, TransformableContainer<D>.Required<T>>) where T : NSCoding, T : NSCopying
Parameters
keyPath
a key path to group results with
-
Initializes a
GroupBy
clause with a key pathDeclaration
Swift
public init<T>(_ keyPath: KeyPath<D, TransformableContainer<D>.Optional<T>>) where T : NSCoding, T : NSCopying
Parameters
keyPath
a key path to group results with