[jira] [Created] (DRILL-7951) Add Response Metadata Fields to HTTP Storage Plugin

["Charles Givre (Jira)" <ji...@apache.org>]

Charles Givre created DRILL-7951:
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             Summary: Add Response Metadata Fields to HTTP Storage Plugin
                 Key: DRILL-7951
                 URL: https://issues.apache.org/jira/browse/DRILL-7951
             Project: Apache Drill
          Issue Type: Improvement
          Components: Storage - Other
    Affects Versions: 1.19.0
            Reporter: Charles Givre
            Assignee: Charles Givre
             Fix For: Future


In many http calls, the response code can contain meaningful information, however these fields are not available unless the call results in an error.  

This PR adds four implicit metadata fields to the HTTP storage plugin which are:
* _response_code:  The HTTP response code.  This field is returned as an INT.  
* _resposne_message:  The response message.
* _response_protocol:  The response protocol.
* _response_url:  The actual URL that is sent to the API. 

As these are implicit fields, they will not appear in star queries.



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