Is there a way to define data validations on a field beyond non-null and unique?

@jason thanks for your question! We are currently working on custom constraints like you mentioned and moreover we're working on more hooks along the lifecycle of a request for even more control. A longer answer can be found in the forum: https://www.graph.cool/forum/t/can-i-do-backend-validation-before-a-node-is-created/88/2

Thanks @nilan ... how accurate are your milestones in that tool? It says planned-march. Assuming it's more than 2 days away

Currently it's not too accurate 😉 We will definitely need more time than that and we're also working on rolling out an updated roadmap

Well, it certainly seems like graph.cool will be very useful in about six months

We're already collaborating with several teams and developers for their production apps - however I do appreciate your feedback. Aside from custom constraints, what else are you currently missing?