X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/0f196952259baddb77bd1c60ffc3b5ef214da179..f92e580293a527d167ddb8b12a2690967c19b26b:/nominatim/api/reverse.py diff --git a/nominatim/api/reverse.py b/nominatim/api/reverse.py index d46733f0..54714559 100644 --- a/nominatim/api/reverse.py +++ b/nominatim/api/reverse.py @@ -19,7 +19,6 @@ import nominatim.api.results as nres from nominatim.api.logging import log from nominatim.api.types import AnyPoint, DataLayer, ReverseDetails, GeometryFormat, Bbox from nominatim.db.sqlalchemy_types import Geometry -import nominatim.db.sqlalchemy_functions as snfn # In SQLAlchemy expression which compare with NULL need to be expressed with # the equal sign. @@ -85,12 +84,6 @@ def _locate_interpolation(table: SaFromClause) -> SaLabel: else_=0).label('position') -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('addr:housename'))) - - def _get_closest(*rows: Optional[SaRow]) -> Optional[SaRow]: return min(rows, key=lambda row: 1000 if row is None else row.distance) @@ -147,13 +140,13 @@ class ReverseGeocoder: col = sa.func.ST_SimplifyPreserveTopology(col, self.params.geometry_simplification) if self.params.geometry_output & GeometryFormat.GEOJSON: - out.append(sa.func.ST_AsGeoJSON(col).label('geometry_geojson')) + out.append(sa.func.ST_AsGeoJSON(col, 7).label('geometry_geojson')) if self.params.geometry_output & GeometryFormat.TEXT: out.append(sa.func.ST_AsText(col).label('geometry_text')) if self.params.geometry_output & GeometryFormat.KML: - out.append(sa.func.ST_AsKML(col).label('geometry_kml')) + out.append(sa.func.ST_AsKML(col, 7).label('geometry_kml')) if self.params.geometry_output & GeometryFormat.SVG: - out.append(sa.func.ST_AsSVG(col).label('geometry_svg')) + out.append(sa.func.ST_AsSVG(col, 0, 7).label('geometry_svg')) return sql.add_columns(*out) @@ -182,18 +175,18 @@ class ReverseGeocoder: t = self.conn.t.placex # PostgreSQL must not get the distance as a parameter because - # there is a danger it won't be able to proberly estimate index use + # there is a danger it won't be able to properly estimate index use # when used with prepared statements diststr = sa.text(f"{distance}") sql: SaLambdaSelect = sa.lambda_stmt(lambda: _select_from_placex(t) - .where(t.c.geometry.ST_DWithin(WKT_PARAM, diststr)) + .where(t.c.geometry.within_distance(WKT_PARAM, diststr)) .where(t.c.indexed_status == 0) .where(t.c.linked_place_id == None) .where(sa.or_(sa.not_(t.c.geometry.is_area()), t.c.centroid.ST_Distance(WKT_PARAM) < diststr)) .order_by('distance') - .limit(1)) + .limit(2)) if self.has_geometries(): sql = self._add_geometry_columns(sql, t.c.geometry) @@ -204,7 +197,7 @@ class ReverseGeocoder: 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(lambda: _is_address_point(t)) + restrict.append(lambda: sa.func.IsAddressPoint(t)) if self.layer_enabled(DataLayer.POI) and self.max_rank == 30: restrict.append(lambda: sa.and_(no_index(t.c.rank_search) == 30, t.c.class_.not_in(('place', 'building')), @@ -219,23 +212,40 @@ class ReverseGeocoder: sql = sql.where(sa.or_(*restrict)) - return (await self.conn.execute(sql, self.bind_params)).one_or_none() + # If the closest object is inside an area, then check if there is a + # POI node nearby and return that. + prev_row = None + for row in await self.conn.execute(sql, self.bind_params): + if prev_row is None: + if row.rank_search <= 27 or row.osm_type == 'N' or row.distance > 0: + return row + prev_row = row + else: + if row.rank_search > 27 and row.osm_type == 'N'\ + and row.distance < 0.0001: + return row + + return prev_row async def _find_housenumber_for_street(self, parent_place_id: int) -> Optional[SaRow]: t = self.conn.t.placex - sql: SaLambdaSelect = sa.lambda_stmt(lambda: _select_from_placex(t) - .where(t.c.geometry.ST_DWithin(WKT_PARAM, 0.001)) - .where(t.c.parent_place_id == parent_place_id) - .where(_is_address_point(t)) - .where(t.c.indexed_status == 0) - .where(t.c.linked_place_id == None) - .order_by('distance') - .limit(1)) - + def _base_query() -> SaSelect: + return _select_from_placex(t)\ + .where(t.c.geometry.within_distance(WKT_PARAM, 0.001))\ + .where(t.c.parent_place_id == parent_place_id)\ + .where(sa.func.IsAddressPoint(t))\ + .where(t.c.indexed_status == 0)\ + .where(t.c.linked_place_id == None)\ + .order_by('distance')\ + .limit(1) + + sql: SaLambdaSelect if self.has_geometries(): - sql = self._add_geometry_columns(sql, t.c.geometry) + sql = self._add_geometry_columns(_base_query(), t.c.geometry) + else: + sql = sa.lambda_stmt(_base_query) return (await self.conn.execute(sql, self.bind_params)).one_or_none() @@ -244,30 +254,26 @@ class ReverseGeocoder: distance: float) -> Optional[SaRow]: t = self.conn.t.osmline - sql: Any = sa.lambda_stmt(lambda: - sa.select(t, - t.c.linegeo.ST_Distance(WKT_PARAM).label('distance'), - _locate_interpolation(t)) - .where(t.c.linegeo.ST_DWithin(WKT_PARAM, distance)) - .where(t.c.startnumber != None) - .order_by('distance') - .limit(1)) + sql = sa.select(t, + t.c.linegeo.ST_Distance(WKT_PARAM).label('distance'), + _locate_interpolation(t))\ + .where(t.c.linegeo.within_distance(WKT_PARAM, distance))\ + .where(t.c.startnumber != None)\ + .order_by('distance')\ + .limit(1) if parent_place_id is not None: - sql += lambda s: s.where(t.c.parent_place_id == parent_place_id) + sql = sql.where(t.c.parent_place_id == parent_place_id) - def _wrap_query(base_sql: SaLambdaSelect) -> SaSelect: - inner = base_sql.subquery('ipol') + inner = sql.subquery('ipol') - return sa.select(inner.c.place_id, inner.c.osm_id, + sql = sa.select(inner.c.place_id, inner.c.osm_id, inner.c.parent_place_id, inner.c.address, _interpolated_housenumber(inner), _interpolated_position(inner), inner.c.postcode, inner.c.country_code, inner.c.distance) - sql += _wrap_query - if self.has_geometries(): sub = sql.subquery('geom') sql = self._add_geometry_columns(sa.select(sub), sub.c.centroid) @@ -282,7 +288,7 @@ class ReverseGeocoder: inner = sa.select(t, t.c.linegeo.ST_Distance(WKT_PARAM).label('distance'), _locate_interpolation(t))\ - .where(t.c.linegeo.ST_DWithin(WKT_PARAM, 0.001))\ + .where(t.c.linegeo.within_distance(WKT_PARAM, 0.001))\ .where(t.c.parent_place_id == parent_place_id)\ .order_by('distance')\ .limit(1)\ @@ -295,11 +301,12 @@ class ReverseGeocoder: inner.c.postcode, inner.c.distance) - sql: SaLambdaSelect = sa.lambda_stmt(_base_query) - + sql: SaLambdaSelect if self.has_geometries(): - sub = sql.subquery('geom') + sub = _base_query().subquery('geom') sql = self._add_geometry_columns(sa.select(sub), sub.c.centroid) + else: + sql = sa.lambda_stmt(_base_query) return (await self.conn.execute(sql, self.bind_params)).one_or_none() @@ -371,7 +378,7 @@ class ReverseGeocoder: inner = sa.select(t, sa.literal(0.0).label('distance'))\ .where(t.c.rank_search.between(5, MAX_RANK_PARAM))\ .where(t.c.geometry.intersects(WKT_PARAM))\ - .where(snfn.select_index_placex_geometry_reverse_lookuppolygon('placex'))\ + .where(sa.func.PlacexGeometryReverseLookuppolygon())\ .order_by(sa.desc(t.c.rank_search))\ .limit(50)\ .subquery('area') @@ -401,10 +408,7 @@ class ReverseGeocoder: .where(t.c.rank_search > address_rank)\ .where(t.c.rank_search <= MAX_RANK_PARAM)\ .where(t.c.indexed_status == 0)\ - .where(snfn.select_index_placex_geometry_reverse_lookupplacenode('placex'))\ - .where(t.c.geometry - .ST_Buffer(sa.func.reverse_place_diameter(t.c.rank_search)) - .intersects(WKT_PARAM))\ + .where(sa.func.IntersectsReverseDistance(t, WKT_PARAM))\ .order_by(sa.desc(t.c.rank_search))\ .limit(50)\ .subquery('places') @@ -413,13 +417,15 @@ class ReverseGeocoder: return _select_from_placex(inner, False)\ .join(touter, touter.c.geometry.ST_Contains(inner.c.geometry))\ .where(touter.c.place_id == address_id)\ - .where(inner.c.distance < sa.func.reverse_place_diameter(inner.c.rank_search))\ + .where(sa.func.IsBelowReverseDistance(inner.c.distance, inner.c.rank_search))\ .order_by(sa.desc(inner.c.rank_search), inner.c.distance)\ .limit(1) - sql = sa.lambda_stmt(_place_inside_area_query) if self.has_geometries(): - sql = self._add_geometry_columns(sql, sa.literal_column('places.geometry')) + sql = self._add_geometry_columns(_place_inside_area_query(), + sa.literal_column('places.geometry')) + else: + sql = sa.lambda_stmt(_place_inside_area_query) place_address_row = (await self.conn.execute(sql, self.bind_params)).one_or_none() log().var_dump('Result (place node)', place_address_row) @@ -440,10 +446,9 @@ class ReverseGeocoder: .where(t.c.indexed_status == 0)\ .where(t.c.linked_place_id == None)\ .where(self._filter_by_layer(t))\ - .where(t.c.geometry - .ST_Buffer(sa.func.reverse_place_diameter(t.c.rank_search)) - .intersects(WKT_PARAM))\ + .where(t.c.geometry.intersects(sa.func.ST_Expand(WKT_PARAM, 0.007)))\ .order_by(sa.desc(t.c.rank_search))\ + .order_by('distance')\ .limit(50)\ .subquery() @@ -514,22 +519,22 @@ class ReverseGeocoder: .where(t.c.rank_search <= MAX_RANK_PARAM)\ .where(t.c.indexed_status == 0)\ .where(t.c.country_code.in_(ccodes))\ - .where(snfn.select_index_placex_geometry_reverse_lookupplacenode('placex'))\ - .where(t.c.geometry - .ST_Buffer(sa.func.reverse_place_diameter(t.c.rank_search)) - .intersects(WKT_PARAM))\ + .where(sa.func.IntersectsReverseDistance(t, WKT_PARAM))\ .order_by(sa.desc(t.c.rank_search))\ .limit(50)\ .subquery('area') return _select_from_placex(inner, False)\ - .where(inner.c.distance < sa.func.reverse_place_diameter(inner.c.rank_search))\ + .where(sa.func.IsBelowReverseDistance(inner.c.distance, inner.c.rank_search))\ .order_by(sa.desc(inner.c.rank_search), inner.c.distance)\ .limit(1) - sql: SaLambdaSelect = sa.lambda_stmt(_base_query) + sql: SaLambdaSelect if self.has_geometries(): - sql = self._add_geometry_columns(sql, sa.literal_column('area.geometry')) + sql = self._add_geometry_columns(_base_query(), + sa.literal_column('area.geometry')) + else: + sql = sa.lambda_stmt(_base_query) address_row = (await self.conn.execute(sql, self.bind_params)).one_or_none() log().var_dump('Result (addressable place node)', address_row) @@ -538,16 +543,19 @@ class ReverseGeocoder: if address_row is None: # Still nothing, then return a country with the appropriate country code. - sql = sa.lambda_stmt(lambda: _select_from_placex(t)\ - .where(t.c.country_code.in_(ccodes))\ - .where(t.c.rank_address == 4)\ - .where(t.c.rank_search == 4)\ - .where(t.c.linked_place_id == None)\ - .order_by('distance')\ - .limit(1)) + def _country_base_query() -> SaSelect: + return _select_from_placex(t)\ + .where(t.c.country_code.in_(ccodes))\ + .where(t.c.rank_address == 4)\ + .where(t.c.rank_search == 4)\ + .where(t.c.linked_place_id == None)\ + .order_by('distance')\ + .limit(1) if self.has_geometries(): - sql = self._add_geometry_columns(sql, t.c.geometry) + sql = self._add_geometry_columns(_country_base_query(), t.c.geometry) + else: + sql = sa.lambda_stmt(_country_base_query) address_row = (await self.conn.execute(sql, self.bind_params)).one_or_none()