Instance Method

first(decoding:prefix:keyDecodingStrategy:userInfo:)

Configure a new SQLRowDecoder as specified and use it to decode and return the first output row, if any, as a given type.

func first<D>(decoding type: D.Type, prefix: String? = nil, keyDecodingStrategy: SQLRowDecoder.KeyDecodingStrategy = .useDefaultKeys, userInfo: [CodingUserInfoKey : any Sendable] = [:]) async throws -> D? where D : Decodable

Parameters

type: The type of the desired value.
prefix: See prefix.
keyDecodingStrategy: See keyDecodingStrategy.
userInfo: See userInfo.

Return Value

The decoded value, if any.

See Also

Getting One Row

first()
Returns the first output row, if any.
first(decoding:)
Using a default-configured SQLRowDecoder, returns the first output row, if any, decoded as a given type.
first(decoding:with:)
Using the given SQLRowDecoder, returns the first output row, if any, decoded as a given type.
first(decodingColumn:as:)
Returns the named column from the first output row, if any, decoded as a given type.