title: Snowpipe not working after upload same file twice
body: <p>Just playing around with Snowpipe. I had it working. I would drop a file onto S3 and Snowpipe loaded the data into a Snowflake table.</p>
  
  <p>However when I copied the same file twice into the S3 bucket, Snowpipe didnt pick it up or any subsequent files where were not duplicate.</p>
  
  <p>To illustrate:</p>
  
  <pre><code>    Uploaded file1.txt into the S3 bucket - success 
      Uploaded file2.txt into the S3 bucket - success 
      Uploaded file3.txt into the S3 bucket - success 
      Re-Uploaded file1.txt into the S3 bucket - no result - table was not updated 
      Uploaded file4.txt into the S3 bucket - no result - table was not updated
  </code></pre>
  
  <p>How do I go about troubleshooting this? or fixing this issue.</p>
  
  <p>Thanks</p>