Protocolgrdb 7.3.0GRDB
AssociationToOne
An association that defines a to-one connection.
protocol AssociationToOne : AssociationAn association that defines a to-one connection.
protocol AssociationToOne : Associationimport GRDBA toolkit for SQLite databases, with a focus on application development
protocol Association : DerivableRequest, SendableA type that defines a connection between two tables.
protocol AggregatingRequestA request that can aggregate database rows.
protocol DerivableRequest<RowDecoder> : AggregatingRequest, FilteredRequest, JoinableRequest, OrderedRequest, SelectionRequest, TableRequestDerivableRequest is the base protocol for QueryInterfaceRequest and Association.
protocol FilteredRequestA request that can filter database rows.
protocol JoinableRequest<RowDecoder> : TypedRequestA request that can join and prefetch associations.
protocol OrderedRequestA request that can sort database rows.
protocol SelectionRequestA request that can define the selected columns.
protocol Sendableprotocol TableRequestA request that feeds from a database table
protocol TypedRequest<RowDecoder>A request that knows how to decode database rows.
struct BelongsToAssociation<Origin, Destination>Thes BelongsToAssociation sets up a one-to-one connection from a record type to another record type, such as each instance of the declaring record “belongs to” an instance of the other record.
struct HasOneAssociation<Origin, Destination>The HasOneAssociation indicates a one-to-one connection between two record types, such as each instance of the declaring record “has one” instances of the other record.
struct HasOneThroughAssociation<Origin, Destination>The HasOneThroughAssociation sets up a one-to-one connection with another record. This association indicates that the declaring record can be matched with one instance of another record by proceeding through a third record.
func forKey(_ key: String) -> Self