Lesson 9 from Module 1 of the CWC+ iOS Database course covers reading data back from Firestore. To read back a single document, we can do this: Or, we can iterate through all documents, thus: Seems fairly straightfoward so far.
Firestore
14 posts
Lesson 8 from Module 1 of the CWC+ iOS Database course shows us how we can use completion handlers to check for errors when we interract with Firestore. We can use this when we try to delete a document, re: When updating a document, re: Just keeping this here to […]
Following on from the previous lesson, this short video teaches us the different ways we can delete records (documents) and key-value pairs from our Firebase. We can use the .updateData modifier to delete individual key-value pairs, thus: To delete the entire document, we would use the .delete() modifier thus: It’s […]
Following on from the previous lesson, this short video teaches us the different ways we can update our Firebase. We can use the .setData modifier to, effectively, overwrite all key-value pairs, thus: All key-value pairs will be deleted, and only those listed will be recreated. This has the effect of […]
In Lesson 5 of Module 1 of the CWC+ iOS Database Course, Micah shows us how to use Xcode to add data to our Firestore database. Having previously set-up Firebase, and ensuring we’ve added GoogleService-Info.plist to our Xcode project, we can use the following commands. Get access to our Firestore […]
Lesson 4 of Module 1 from the CWC+ iOS Dabatase course gets our “hands dirty” looking into how Firestore structures its data. I very much come from a background of MySQL / MariaDB, but I recall quite clearly a time from before I’d even heard of “SQL”. Firestore is NoSQL, […]