Documentation
¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
var ( ErrFirstOrLastMissing = errors.New("first or last is required") ErrGreaterThanMaxRow = errors.New("first or last is greater than maxRow") )
Functions ¶
func LimitPerRow ¶
func LimitPerRow(partitionBy string, limit, offset int, orderBy ...sql.Querier) func(s *sql.Selector)
LimitPerRow returns a query modifier that limits the number of (edges) rows returned by the given partition and pagination. This helper function is used mainly by the paginated API to override the default Limit behavior for limit returned per node and not limit for all query.
func NeedLimit ¶ added in v0.4.1
NeedLimit returns an error if first or last is not set, if maxRow is set and first or last is greater than maxRow, it returns an error.
func WithSimplePagination ¶
func WithSimplePagination(ctx context.Context, sp *SimplePagination) context.Context
WithSimplePagination returns a new context with the given SimplePagination.
Types ¶
type SimplePagination ¶
SimplePagination is a simple pagination implementation.
func NewSimplePagination ¶
func NewSimplePagination(p, c string) (sp *SimplePagination, err error)
NewSimplePagination creates a new SimplePagination from the given page and count. If both are empty, it returns nil.
func SimplePaginationFromContext ¶
func SimplePaginationFromContext(ctx context.Context) (*SimplePagination, bool)
SimplePaginationFromContext returns the SimplePagination from the given context.
func (*SimplePagination) Offset ¶
func (sp *SimplePagination) Offset(first, last *int) (offset int)
Offset returns the offset for the given first and last values.
Source Files