+ // osmline, osm_type is 'I' for Interpolation Line
+ // interpolation line search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
+ $sSQL .= " union ";
+ $sSQL .= "select 'I' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, 30 as rank_search, 30 as rank_address, min(place_id) as place_id, min(parent_place_id) as parent_place_id, calculated_country_code as country_code, ";
+ $sSQL .= "get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) as langaddress, ";
+ $sSQL .= "null as placename, ";
+ $sSQL .= "null as ref, ";
+ if ($this->bIncludeExtraTags) $sSQL .= "null as extra, ";
+ if ($this->bIncludeNameDetails) $sSQL .= "null as names, ";
+ $sSQL .= " avg(st_x(centroid)) as lon, avg(st_y(centroid)) as lat,";
+ $sSQL .= $sImportanceSQL."-0.1 as importance, "; // slightly smaller than the importance for normal houses with rank 30, which is 0
+ $sSQL .= " (select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(blub.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
+ $sSQL .= " null as extra_place ";
+ $sSQL .= " from (select place_id, calculated_country_code ";
+ //interpolate the housenumbers here
+ $sSQL .= ", CASE WHEN startnumber != endnumber THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ";
+ $sSQL .= " ELSE ST_LineInterpolatePoint(linegeo, 0.5) END as centroid";
+ $sSQL .= ", parent_place_id, housenumber_for_place ";
+ $sSQL .= " from (location_property_osmline ";
+ $sSQL .= " join (values ".$sHousenumbers.") as housenumbers(place_id, housenumber_for_place) using(place_id)) ";
+ $sSQL .= " where housenumber_for_place>=0 and 30 between $this->iMinAddressRank and $this->iMaxAddressRank) as blub"; //postgres wants an alias here
+ $sSQL .= " group by place_id, housenumber_for_place, calculated_country_code "; //is this group by really needed?, place_id + housenumber (in combination) are unique
+ if (!$this->bDeDupe) $sSQL .= ", place_id ";