Dynamodb query - OR condition in KeyConditionExpression

Question

I have a DynamoDB table with feed_guid as the global secondary index. I want to query with a set of feed_guid in that table. Since feed_guid<

Answer 1

In order to achieve what you want here, you'll need to take the union of two separate queries.

Currently, DynamoDB's Query API only supports having one condition on Hash AND Range Keys in only the KeyConditionExpression because this limits the items you search and ultimately reduces cost of say a more complex query like what you've described here.