title: Set file name for unloaded file from Snowflake
body: <p>I am unloading snowflake data into external AWS S3 stg using the below command,</p>
  
  <pre><code>copy into '@ext_stg/path/file_name' 
  from schema.table
  file_format = (type=csv  field_delimiter= '~' compression='gzip' null_if=('','NULL', 'null',' ') field_optionally_enclosed_by= '"' )
  OVERWRITE = TRUE
  ; 
  </code></pre>
  
  <p>I want the unloaded filename to be <strong>file_name.csv.gz</strong>.</p>
  
  <p>But what I am actually getting from the above code is, <code>file_name_0_3_0.csv.gz</code></p>
  
  <p>How do i set the desired filename as <strong>file_name.csv.gz</strong></p>