BIND 10 #1066: support wildcard matching in DatabaseZoneHandle::find().

[BIND 10 Development]

#1066: support wildcard matching in DatabaseZoneHandle::find().
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                   Reporter:         |                 Owner:  UnAssigned
  jinmei                             |                Status:  assigned
                       Type:  task   |             Milestone:
                   Priority:  major  |  Sprint-20110830
                  Component:  data   |            Resolution:
  source                             |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  5.0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by vorner):

 * owner:  vorner => UnAssigned
 * status:  accepted => assigned


Comment:

 Hello

 It should be ready for review. I tried to take whatever tests I found for
 the in-memory data source, with the exception of ANY queries (currently,
 the DB doesn't support them).

 The branch is based on merge of current master and #1065, as it uses code
 from both #1063 (merged) and #1065.

 I found a strange thing in the in-memory tests. When we have a wildcard
 under delegation and query with GLUE_OK, it returns DELEGATION. But
 provided only the wildcard match is disabled because of the NS, shouldn't
 it be NXDOMAIN (since it can't be constructed, but we still get below the
 delegation). Currently this branch copies the in-memory behaviour, but
 should we change it?

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Ticket URL: <http://bind10.isc.org/ticket/1066#comment:4>
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