BIND 10 #2440: add support for "merging" RRsets into memory::RdataSet

[BIND 10 Development]

#2440: add support for "merging" RRsets into memory::RdataSet
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |  jinmei
            Priority:  medium        |                       Status:
           Component:  data source   |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20130305
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  6             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |  loadzone-ng
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Comment (by jinmei):

 Replying to [comment:22 vorner]:

 > > Could you be more specific about which part of the code you're
 > > referring to?
 >
 > I seem to be somewhat distracted lately, I even forget to paste the bit
 of code :-|. Anyway, here it is:

 Ah, okay.  On looking at it again, I thought it probably makes sense
 to check the assumption anyway.  So I did it, with additional tests
 and documentation about that.

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Ticket URL: <http://bind10.isc.org/ticket/2440#comment:23>
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