aws-amplify

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Issue

The DataStore documentation includes notes on querying data by means of filtering predicates. This is true of both iOS and Android.

The API category uses the same query predicates for filtering on its query API. Howeve

Is your feature request related to a problem? Please describe.
When I want to remove my videos, I need to know the S3 output bucket name to perform a storage deletion. But if CloudFront is activated, we loose the bucket name. For now, I have a function to replace "input" string to "output" string on the input bucket name.

Describe the solution you'd like

// WARNING: DO 

Context is here:
aws-amplify/amplify-ios#386

See InitialSyncOperation.swift

For all the uploads performed by the code below, my files are put in a public/ folder. Are these prefixes hardcoded in the library based on access levels? If public is the default access level, is there any way I can set a custom prefix for these values, so that I can put my files in root of the bucket instead of public/?

Amplify.Storage.uploadFile(key, image, options,
   { prog