Vladyslav Mihun

FIX: subscription returns incorrect result when data loader is used during fields resolving.

3

This PR fixes batching for subscriptions. Without this fix `batch_load_fn ` is called after every `load` call and `test_batches_subscription_result` fails on ``` assert subscription_results[0].data == expected_data_1 ``` because `subscription_results[0].data` contains...

I have one worker that receives messages from queue and drops them after execution, it executes long running tasks ~2 minutes. If task execution time is more than `VisibilityTimeout`, message...

Wrong sns message signature

1

**Expected behaviour (SNS)** In `Verifying the Signatures of Amazon SNS Messages` https://docs.aws.amazon.com/sns/latest/dg/sns-verify-signature-of-message.html is specified that `string to sign` must contain `Subject` name-value pair if it is included in the message....