Structuregrdb 7.3.0GRDB
PrefetchedRowsView
A view on the prefetched associated rows.
struct PrefetchedRowsViewSee prefetchedRows for more information.
A view on the prefetched associated rows.
struct PrefetchedRowsViewSee prefetchedRows for more information.
import GRDBA toolkit for SQLite databases, with a focus on application development
final class RowA database row.
var prefetchedRows: Row.PrefetchedRowsView { get }A view on the prefetched associated rows.
var scopes: ScopesView { get }A view on the scopes defined by row adapters.
var scopesTree: ScopesTreeView { get }A view on the scopes tree defined by row adapters.
var unadapted: Row { get }The raw row fetched from the database.
var unscoped: Row { get }The row, without any scope of prefetched rows.
subscript<Record>(scope: String) -> Record? where Record : FetchableRecord { get } The eventual record associated to the given scope.
subscript<Record>(scope: String) -> Record where Record : FetchableRecord { get } The record associated to the given scope.
subscript<Records>(key: String) -> Records where Records : RangeReplaceableCollection, Records.Element : FetchableRecord { get } A collection of prefetched records associated to the given association key.
subscript<Record>(key: String) -> Set<Record> where Record : FetchableRecord, Record : Hashable { get } A set prefetched records associated to the given association key.
struct ScopesTreeViewA view on the scopes tree defined by row adapters.
struct ScopesViewA view on the scopes defined by row adapters.
convenience init() Creates an empty row.
convenience init(_ dictionary: [String : (any DatabaseValueConvertible)?]) Creates a row from a dictionary of database values.
convenience init?(_ dictionary: [AnyHashable : Any]) Creates a row from a dictionary.
convenience init(dictionaryLiteral elements: (String, (any DatabaseValueConvertible)?)...) Creates a row initialized with elements. Column order is preserved, and duplicated columns names are allowed.
static func fetchAll(_ db: Database, _ request: some FetchRequest) throws -> [Row] Returns an array of rows fetched from a fetch request.
static func fetchAll(_ statement: Statement, arguments: StatementArguments? = nil, adapter: (any RowAdapter)? = nil) throws -> [Row] Returns an array of rows fetched from a prepared statement.
static func fetchAll(_ db: Database, sql: String, arguments: StatementArguments = StatementArguments(), adapter: (any RowAdapter)? = nil) throws -> [Row] Returns an array of rows fetched from an SQL query.
static func fetchCursor(_ db: Database, _ request: some FetchRequest) throws -> RowCursor Returns a cursor over rows fetched from a fetch request.
static func fetchCursor(_ statement: Statement, arguments: StatementArguments? = nil, adapter: (any RowAdapter)? = nil) throws -> RowCursor Returns a cursor over rows fetched from a prepared statement.
static func fetchCursor(_ db: Database, sql: String, arguments: StatementArguments = StatementArguments(), adapter: (any RowAdapter)? = nil) throws -> RowCursor Returns a cursor over rows fetched from an SQL query.
static func fetchOne(_ db: Database, _ request: some FetchRequest) throws -> Row? Returns a single row fetched from a fetch request.
static func fetchOne(_ statement: Statement, arguments: StatementArguments? = nil, adapter: (any RowAdapter)? = nil) throws -> Row? Returns a single row fetched from a prepared statement.
static func fetchOne(_ db: Database, sql: String, arguments: StatementArguments = StatementArguments(), adapter: (any RowAdapter)? = nil) throws -> Row? Returns a single row fetched from an SQL query.
static func fetchSet(_ db: Database, _ request: some FetchRequest) throws -> Set<Row> Returns a set of rows fetched from a fetch request.
static func fetchSet(_ statement: Statement, arguments: StatementArguments? = nil, adapter: (any RowAdapter)? = nil) throws -> Set<Row> Returns a set of rows fetched from a prepared statement.
static func fetchSet(_ db: Database, sql: String, arguments: StatementArguments = StatementArguments(), adapter: (any RowAdapter)? = nil) throws -> Set<Row> Returns a set of rows fetched from an SQL query.
var columnNames: LazyMapCollection<Row, String> { get }The names of columns in the row, from left to right.
var containsNonNullValue: Bool { get }Returns a boolean value indicating if the row contains one value this is not NULL.
let count: IntThe number of columns in the row.
var databaseValues: LazyMapCollection<Row, DatabaseValue> { get }The database values in the row, from left to right.
var debugDescription: String { get }var description: String { get }var endIndex: Index { get }var startIndex: Index { get }subscript(columnName: String) -> (any DatabaseValueConvertible)? { get } Returns Int64, Double, String, Data or nil, depending on the value stored at the given column.
subscript(index: Int) -> (any DatabaseValueConvertible)? { get } Returns Int64, Double, String, Data or nil, depending on the value stored at the given index.
subscript(column: some ColumnExpression) -> (any DatabaseValueConvertible)? { get } Returns Int64, Double, String, Data or nil, depending on the value stored at the given column.
subscript(position: Index) -> (String, DatabaseValue) { get } Returns the (column, value) pair at given index.
subscript<Value>(columnName: String) -> Value where Value : DatabaseValueConvertible, Value : StatementColumnConvertible { get } Returns the value at given column, converted to the requested type.
subscript<Value>(columnName: String) -> Value where Value : DatabaseValueConvertible { get } Returns the value at given column, converted to the requested type.
subscript<Value>(index: Int) -> Value where Value : DatabaseValueConvertible, Value : StatementColumnConvertible { get } Returns the value at given index, converted to the requested type.
subscript<Value>(index: Int) -> Value where Value : DatabaseValueConvertible { get } Returns the value at given index, converted to the requested type.
subscript<Value>(column: some ColumnExpression) -> Value where Value : DatabaseValueConvertible, Value : StatementColumnConvertible { get } Returns the value at given column, converted to the requested type.
subscript<Value>(column: some ColumnExpression) -> Value where Value : DatabaseValueConvertible { get } Returns the value at given column, converted to the requested type.
static func == (lhs: Row, rhs: Row) -> Bool Returns true if and only if both rows have the same columns and values, in the same order. Columns are compared in a case-sensitive way.
func coalesce<T>(_ columns: some Collection<any ColumnExpression>) -> T? where T : DatabaseValueConvertible Returns the first non-null value, if any. Identical to SQL COALESCE function.
func coalesce<T>(_ columns: some Collection<String>) -> T? where T : DatabaseValueConvertible Returns the first non-null value, if any. Identical to SQL COALESCE function.
func copy() -> Row Returns an immutable copy of the row.
func hasColumn(_ columnName: String) -> Bool Returns whether the row has one column with the given name (case-insensitive).
func hasNull(atIndex index: Int) -> Bool Returns whether the row has a NULL value at given index.
func hash(into hasher: inout Hasher) func withUnsafeData<T>(at column: some ColumnExpression, _ body: (Data?) throws -> T) throws -> T Calls the given closure with the Data at the given column.
func withUnsafeData<T>(atIndex index: Int, _ body: (Data?) throws -> T) throws -> T Calls the given closure with the Data at given index.
func withUnsafeData<T>(named columnName: String, _ body: (Data?) throws -> T) throws -> T Calls the given closure with the Data at the given column.
struct IndexAn index to a (column, value) pair in a Row.
func dataNoCopy(_ column: some ColumnExpression) -> Data? Returns the optional Data at given column.
func dataNoCopy(atIndex index: Int) -> Data? Returns the optional Data at given index.
func dataNoCopy(named columnName: String) -> Data? Returns the optional Data at given column.
protocol EquatableA type that can be compared for value equality.
var isEmpty: Bool { get }A boolean value indicating if there is no prefetched associated rows.
var keys: Set<String> { get }The available association keys.
subscript(key: String) -> [Row]? { get } The prefetched rows associated with the given association key.
static func != (lhs: Self, rhs: Self) -> Bool Returns a Boolean value indicating whether two values are not equal.