google-cloud-go | Google Cloud Client Libraries for Go | GCP library
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QUESTION
I am trying to set the x-goog-meta-reference in the header section dynamically so i want to pass an argument called reference in the function signature and assign that to the x-goog-meta-reference in the header. See x-goog-meta-reference
in my code sample below. I followed this link regarding canonical requests.
My sample code is from here but it is the edited version of my prod code.
...ANSWER
Answered 2022-Feb-15 at 16:45QUESTION
I would like to use pagination in Firestore so I can save a query state and automatically allow users to submit a page token to start a query again. The challenge I am seeing with this is that Firestore does not offer a query token or page token to resume iteration. However, after looking through the docs for GoLang, it looks like there is an exported PageInfo()
method that returns a token I am interested in and an unexported fetch
method.
Is there a method to use the exported PageInfo() values to allow me to fetch a new set of documents using that existing token?
...ANSWER
Answered 2021-Aug-20 at 09:22To use pagination in Firestore Database you can use query cursors with limit()
method as mentioned in this document. You can go through this youtube link to know more about it.
You may also consider using pageSize
& pageToken
query parameters and nextPageToken
field with Firestore REST API as mentioned in this document to achieve pagination. There is a similar StackoverFlow thread which may help you.
QUESTION
I've written a function for role checking:
...ANSWER
Answered 2020-Sep-18 at 10:23You can use type conversion as the following:
QUESTION
The cloud.google.com/go/pubsub
library recently released (in v1.5.0, cf. https://github.com/googleapis/google-cloud-go/releases/tag/pubsub%2Fv1.5.0) support for a new RetryPolicy
server-side feature. The documentation (https://godoc.org/cloud.google.com/go/pubsub#RetryPolicy) for this currently reads
I've read the Wikipedia article, and although it describes exponential backoff in discrete time, I don't see how the article relates to the MinimumBackoff
and MaximumBackoff
parameters specifically. For guidance on this, I referred to the documentation for github.com/cenkalti/backoff
, https://pkg.go.dev/github.com/cenkalti/backoff/v4?tab=doc#ExponentialBackOff. That library defines an ExponentialBackoff
as
ANSWER
Answered 2020-Jul-31 at 15:28Retry policy fields for minimum backoff and maximum backoff are similar to InitialInterval and MaxInterval in your example above. Cloud Pub/Sub uses a similar formula as you mentioned to compute the exponential delay. This includes randomization as well.
Beyond MaxInterval, every subsequent retry would have an added delay of MaxInterval. If you want to stop the retries after a certain number of attempts, we recommend using Dead Letter Queues.
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