Transactional data is used when you need to return some data from the database then make some calculation with it and store it back . Let us say we have one player inside our player list. We want to retrieve property, add one year of age and return it back to Firebase.
Read moreIs firestore transactional?
Using the Cloud Firestore client libraries, you can group multiple operations into a single transaction . Transactions are useful when you want to update a field’s value based on its current value, or the value of some other field.11 Kas 2021
Read moreWhy is Firebase asynchronous?
Firebase APIs are sensitive to the performance of your app’s main thread . This means that any Firebase API that needs to deal with data on disk or network is implemented in an asynchronous style. The functions will return immediately , so you can call them on the main thread without worrying about performance.
Read moreHow can I get current ID in firebase?
“firebase get document id” Code Answer
Read moreHow do I find my firestore collection document ID?
‘id’ can be anything that you want your document IDs to be called. Then the each document object on the returned array will look like this. Then you can easily get the document ID by referencing to the field that you named .
Read moreHow do you get the document ID after adding document in cloud firestore in Dart?
Just add async to the map function . Here, value.id gives the ducumentId. document() when you calling this method without any path, it will create a random id for you. If no [path] is provided, an auto-generated ID is used.
Read moreWhere is firestore data stored?
Before you use Cloud Firestore, you must choose a location for your database. To reduce latency and increase availability, store your data close to the users and services that need it. This location setting is your project’s default Google Cloud Platform (GCP) resource location .
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