[Geocoding] [OpenStreetMap] #4558: Places are ignored if tagged with only place and admin_level

[OpenStreetMap]

#4558: Places are ignored if tagged with only place and admin_level
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  Reporter:  lonvia     |      Owner:  geocoding@…
      Type:  defect     |     Status:  closed
  Priority:  minor      |  Milestone:
 Component:  nominatim  |    Version:
Resolution:  fixed      |   Keywords:
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Changes (by lonvia):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Fixed moving of place tags to extratags but it turns out that the case of
 the Azores was a bit more complicated.

 The problem was the empty label node
 http://www.openstreetmap.org/browse/node/1433660299. It does not get added
 in placex, so name and extratags are null when trying to merge that with
 the Azores relation. As the `||` operation on hstore returns null if one
 of the operators is null, the name and extratags are null in the relation
 after label merging. Should be fixed now as well.

 Both fixes will be deployed with the DB reimport in a few weeks.

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Ticket URL: <https://trac.openstreetmap.org/ticket/4558#comment:1>
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