Method FirstID

ent/entity_query.go:157–167

FirstID returns the first Entity ID from the query. Returns a *NotFoundError when no Entity ID was found.

(ctx context.Context)

// FirstID returns the first Entity ID from the query.
// Returns a *NotFoundError when no Entity ID was found.
func (eq *EntityQuery) FirstID(ctx context.Context) (id int, err error) {
	var ids []int
	if ids, err = eq.Limit(1).IDs(setContextOp(ctx, eq.ctx, "FirstID")); err != nil {
		return
	}
	if len(ids) == 0 {
		err = &NotFoundError{entity.Label}
		return
	}
	return ids[0], nil
}

// FirstIDX is like FirstID, but panics if an error occurs.
func (eq *EntityQuery) FirstIDX(ctx context.Context) int {