Method Exist

ent/node_query.go:244–254

Exist returns true if the query has elements in the graph.

(ctx context.Context)

// Exist returns true if the query has elements in the graph.
func (nq *NodeQuery) Exist(ctx context.Context) (bool, error) {
	ctx = setContextOp(ctx, nq.ctx, "Exist")
	switch _, err := nq.FirstID(ctx); {
	case IsNotFound(err):
		return false, nil
	case err != nil:
		return false, fmt.Errorf("ent: check existence: %w", err)
	default:
		return true, nil
	}
}

// ExistX is like Exist, but panics if an error occurs.
func (nq *NodeQuery) ExistX(ctx context.Context) bool {