X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/615b166c6850c0fa2af2e370147b26b978be3659..bc7adbae2bc8ebc61bca3800155d070908502dd9:/nominatim/api/reverse.py diff --git a/nominatim/api/reverse.py b/nominatim/api/reverse.py index df5c10f2..e16742cf 100644 --- a/nominatim/api/reverse.py +++ b/nominatim/api/reverse.py @@ -175,7 +175,7 @@ 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}") @@ -218,17 +218,21 @@ class ReverseGeocoder: 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.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)) - + 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() @@ -237,30 +241,26 @@ 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.within_distance(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) @@ -288,11 +288,12 @@ 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() @@ -407,9 +408,11 @@ class ReverseGeocoder: .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) @@ -513,9 +516,12 @@ class ReverseGeocoder: .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) @@ -524,16 +530,19 @@ 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()