BIND 10 #1756: revise "ITERATE" query in sqlite3_accessor

[BIND 10 Development]

#1756: revise "ITERATE" query in sqlite3_accessor
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                   Reporter:         |                 Owner:  muks
  jinmei                             |                Status:  reviewing
                       Type:         |             Milestone:
  defect                             |  Sprint-20121009
                   Priority:         |            Resolution:
  medium                             |             Sensitive:  0
                  Component:  data   |           Sub-Project:  DNS
  source                             |  Estimated Difficulty:  6
                   Keywords:         |           Total Hours:  0
            Defect Severity:  N/A    |
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by muks):

 This index is also needed by one of the queries in #1899, so we should
 include it.

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Ticket URL: <http://bind10.isc.org/ticket/1756#comment:11>
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