BIND 10 #1176: RRSIG support in new data source

[BIND 10 Development]

#1176: RRSIG support in new data source
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |                       Status:  new
            Priority:  major         |                    Milestone:  Next-
           Component:  data source   |  Sprint-Proposed
           Sensitive:  0             |                     Keywords:
         Sub-Project:  DNS           |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:
         Total Hours:  0             |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 As part of data source refactoring, we should be able to support
 DNSSEC related logic in DatabaseClient::Finder::find().  The initial step
 would be to make it possible that the find() function returns RRSIG
 when DNSSEC is enabled and the query name has an RRSIG.  Eventually
 this type of process should be moved to the auth server's Query class,
 but for the initial refactoring step it would be easier to implement
 it within the DatabaseClient class.  To do this we should probably
 extend the find() interface to signal whether to need to include RRSIG.

 This task will effectively depend on other basic tasks for find().

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Ticket URL: <http://bind10.isc.org/ticket/1176>
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BIND 10 Development