BIND 10 #1781: update SQLite3Accessor updater internals to handle NSEC3

[BIND 10 Development]

#1781: update SQLite3Accessor updater internals to handle NSEC3
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                   Reporter:         |                 Owner:  jinmei
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:  low    |  Sprint-20120417
                  Component:  data   |            Resolution:
  source                             |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  5
Feature Depending on Ticket:  NSEC3  |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by jelte):

 * owner:  jelte => jinmei


Comment:

 regarding the TODO line in dnsmessage_test.cc ("TODO: maybe we should
 share this stuff"), I think we should have basic and flexible string-to-
 rr(set) functions in the base library :) (but for now this is fine)

 database.h:

 addRecordToNSEC3Zone():
 I suspect \exception list should also mention general database errors
 (which in other similar methods raise a DataSourceError)

 On a slightly bikesheddier note, the name of this method would suggest to
 me it should be used for every record, if the zone happens to be
 NSEC3-signed. I'd prefer it named addNSEC3RecordToZone (even though it can
 also take RRSIGs, those are for NSEC3 as well).

 For both of the above, same for the delete-variant :)

 For the rest it looks good

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Ticket URL: <http://bind10.isc.org/ticket/1781#comment:10>
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