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Firestore’s Technical Advantages
I have read some pretty poor articles bashing Firestore recently. Generally they completely miss the features set or cargo cult Postgres SQL. This article attempt to highlight the features of Firestore that you won’t see with a Postgres solution (note I love Postgres), highlighting several area’s where Firestore is the world #1.
Clientside first
It’s designed for a direct connection to a mobile/webapp. This means it has a number of features that are unmatched in the market.
Latency compensation
Firestore maintains a local cache, so local writes and observable immediately. Greatly simplifying controller design. It even broadcasts writes to adjacent tabs in the browser for 0 latency across browser tabs. You ain’t got time to implement that!
Offline persistence
The cache is backed by persistent storage, so your app works offline without much work. This is a huge feature that is difficult to get right and essential for a good mobile experience.
Authorisation rules
The database has a layer of security rules which are very flexible and can depend on values in the database.
