allow terms with frequent searches together with viewbox

[nominatim.git] / nominatim / api / reverse.py

diff --git a/nominatim/api/reverse.py b/nominatim/api/reverse.py
index 38f993be549f12b997dc1d90a39e53d44cd2af9e..63836b4924f18589ddec07b52bc78ff11f942e64 100644 (file)
--- a/nominatim/api/reverse.py
+++ b/nominatim/api/reverse.py
@@ -7,7 +7,8 @@
 """
 Implementation of reverse geocoding.
 """
-from typing import Optional, List, Callable, Type, Tuple, Dict, Any
+from typing import Optional, List, Callable, Type, Tuple, Dict, Any, cast, Union
+import functools
 
 import sqlalchemy as sa
 
@@ -86,7 +87,7 @@ def _locate_interpolation(table: SaFromClause) -> SaLabel:
 def _is_address_point(table: SaFromClause) -> SaColumn:
     return sa.and_(table.c.rank_address == 30,
                    sa.or_(table.c.housenumber != None,
-                          table.c.name.has_key('housename')))
+                          table.c.name.has_key('addr:housename')))
 
 
 def _get_closest(*rows: Optional[SaRow]) -> Optional[SaRow]:
@@ -194,16 +195,17 @@ class ReverseGeocoder:
         if self.has_geometries():
             sql = self._add_geometry_columns(sql, t.c.geometry)
 
-        restrict: List[SaColumn] = []
+        restrict: List[Union[SaColumn, Callable[[], SaColumn]]] = []
 
         if self.layer_enabled(DataLayer.ADDRESS):
-            restrict.append(no_index(t.c.rank_address).between(26, min(29, self.max_rank)))
+            max_rank = min(29, self.max_rank)
+            restrict.append(lambda: no_index(t.c.rank_address).between(26, max_rank))
             if self.max_rank == 30:
-                restrict.append(_is_address_point(t))
+                restrict.append(lambda: _is_address_point(t))
         if self.layer_enabled(DataLayer.POI) and self.max_rank == 30:
-            restrict.append(sa.and_(no_index(t.c.rank_search) == 30,
-                                    t.c.class_.not_in(('place', 'building')),
-                                    sa.not_(t.c.geometry.is_line_like())))
+            restrict.append(lambda: sa.and_(no_index(t.c.rank_search) == 30,
+                                            t.c.class_.not_in(('place', 'building')),
+                                            sa.not_(t.c.geometry.is_line_like())))
         if self.has_feature_layers():
             restrict.append(sa.and_(no_index(t.c.rank_search).between(26, MAX_RANK_PARAM),
                                     no_index(t.c.rank_address) == 0,
@@ -270,9 +272,7 @@ class ReverseGeocoder:
         return (await self.conn.execute(sql, self.bind_params)).one_or_none()
 
 
-    async def _find_tiger_number_for_street(self, parent_place_id: int,
-                                            parent_type: str,
-                                            parent_id: int) -> Optional[SaRow]:
+    async def _find_tiger_number_for_street(self, parent_place_id: int) -> Optional[SaRow]:
         t = self.conn.t.tiger
 
         def _base_query() -> SaSelect:
@@ -287,8 +287,6 @@ class ReverseGeocoder:
 
             return sa.select(inner.c.place_id,
                              inner.c.parent_place_id,
-                             sa.sql.expression.label('osm_type', parent_type),
-                             sa.sql.expression.label('osm_id', parent_id),
                              _interpolated_housenumber(inner),
                              _interpolated_position(inner),
                              inner.c.postcode,
@@ -332,14 +330,15 @@ class ReverseGeocoder:
                     distance = addr_row.distance
                 elif row.country_code == 'us' and parent_place_id is not None:
                     log().comment('Find TIGER housenumber for street')
-                    addr_row = await self._find_tiger_number_for_street(parent_place_id,
-                                                                        row.osm_type,
-                                                                        row.osm_id)
+                    addr_row = await self._find_tiger_number_for_street(parent_place_id)
                     log().var_dump('Result (street Tiger housenumber)', addr_row)
 
                     if addr_row is not None:
+                        row_func = cast(RowFunc,
+                                        functools.partial(nres.create_from_tiger_row,
+                                                          osm_type=row.osm_type,
+                                                          osm_id=row.osm_id))
                         row = addr_row
-                        row_func = nres.create_from_tiger_row
             else:
                 distance = row.distance