title: Can S3 Select search multiple objects?
body: <p>I'm testing out <a href="https://aws.amazon.com/blogs/aws/s3-glacier-select/" rel="noreferrer">S3 Select</a> and as far as I understand from the examples, you can treat a single object (CSV or JSON) as a data store. </p>
  
  <p>I wanted to have a single JSON document per S3 object and search the entire bucket as a 'database'. I'm saving each 'file' as <code>&lt;ID&gt;.json</code> and each file has JSON documents with the same schema.</p>
  
  <p>Is it possible to search multiple objects in a single call? i.e. Find all JSON documents <code>where customerId = 123</code> ?</p>