Static Methodgrdb 7.4.0GRDB

    fetchOne(_:_:)

    Returns a single record fetched from a fetch request.

    FetchableRecord.swift:650
    static func fetchOne(_ db: Database, _ request: some FetchRequest) throws -> Self?
    Mangled symbol
    s4GRDB15FetchableRecordPAAE8fetchOneyxSgAA8DatabaseC_qd__tKAA12FetchRequestRd__lFZ What are these?
    FNV24 hash
    8V925

    Parameters

    db

    A database connection.

    request

    a fetch request.

    Returns

    An optional record.

    Throws

    A DatabaseError whenever an SQLite error occurs.

    For example:

    try dbQueue.read { db in
    let lastName = "O'Reilly"

    // Query interface request
    let request = Player.filter(Column("lastName") == lastName)

    // SQL request
    let request: SQLRequest<Player> = """
        SELECT * FROM player WHERE lastName = \(lastName) LIMIT 1
        """

    let player = try Player.fetchOne(db, request)
}