#pylint: disable=singleton-comparison,not-callable
#pylint: disable=too-many-branches,too-many-arguments,too-many-locals,too-many-statements
+def no_index(expr: SaColumn) -> SaColumn:
+ """ Wrap the given expression, so that the query planner will
+ refrain from using the expression for index lookup.
+ """
+ return sa.func.coalesce(sa.null(), expr) # pylint: disable=not-callable
+
+
def _details_to_bind_params(details: SearchDetails) -> Dict[str, Any]:
""" Create a dictionary from search parameters that can be used
as bind parameter for SQL execute.
t.c.class_, t.c.type,
t.c.address, t.c.extratags,
t.c.housenumber, t.c.postcode, t.c.country_code,
- t.c.importance, t.c.wikipedia,
+ t.c.wikipedia,
t.c.parent_place_id, t.c.rank_address, t.c.rank_search,
t.c.linked_place_id, t.c.admin_level,
t.c.centroid,
col = sa.func.ST_SimplifyPreserveTopology(col, details.geometry_simplification)
if details.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 details.geometry_output & GeometryFormat.TEXT:
out.append(sa.func.ST_AsText(col).label('geometry_text'))
if details.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 details.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)
def _filter_by_layer(table: SaFromClause, layers: DataLayer) -> SaColumn:
orexpr: List[SaExpression] = []
if layers & DataLayer.ADDRESS and layers & DataLayer.POI:
- orexpr.append(table.c.rank_address.between(1, 30))
+ orexpr.append(no_index(table.c.rank_address).between(1, 30))
elif layers & DataLayer.ADDRESS:
- orexpr.append(table.c.rank_address.between(1, 29))
- orexpr.append(sa.and_(table.c.rank_address == 30,
+ orexpr.append(no_index(table.c.rank_address).between(1, 29))
+ orexpr.append(sa.and_(no_index(table.c.rank_address) == 30,
sa.or_(table.c.housenumber != None,
table.c.address.has_key('addr:housename'))))
elif layers & DataLayer.POI:
- orexpr.append(sa.and_(table.c.rank_address == 30,
+ orexpr.append(sa.and_(no_index(table.c.rank_address) == 30,
table.c.class_.not_in(('place', 'building'))))
if layers & DataLayer.MANMADE:
if not layers & DataLayer.NATURAL:
exclude.extend(('natural', 'water', 'waterway'))
orexpr.append(sa.and_(table.c.class_.not_in(tuple(exclude)),
- table.c.rank_address == 0))
+ no_index(table.c.rank_address) == 0))
else:
include = []
if layers & DataLayer.RAILWAY:
if layers & DataLayer.NATURAL:
include.extend(('natural', 'water', 'waterway'))
orexpr.append(sa.and_(table.c.class_.in_(tuple(include)),
- table.c.rank_address == 0))
+ no_index(table.c.rank_address) == 0))
if len(orexpr) == 1:
return orexpr[0]
place_ids: List[int],
details: SearchDetails) -> AsyncIterator[nres.SearchResult]:
t = conn.t.placex
- sql = _select_placex(t).where(t.c.place_id.in_(place_ids))
+ sql = _select_placex(t).add_columns(t.c.importance)\
+ .where(t.c.place_id.in_(place_ids))
if details.geometry_output:
sql = _add_geometry_columns(sql, t.c.geometry, details)
base.sort(key=lambda r: (r.accuracy, r.rank_search))
max_accuracy = base[0].accuracy + 0.5
+ if base[0].rank_address == 0:
+ min_rank = 0
+ max_rank = 0
+ elif base[0].rank_address < 26:
+ min_rank = 1
+ max_rank = min(25, base[0].rank_address + 4)
+ else:
+ min_rank = 26
+ max_rank = 30
base = nres.SearchResults(r for r in base if r.source_table == nres.SourceTable.PLACEX
and r.accuracy <= max_accuracy
- and r.bbox and r.bbox.area < 20)
+ and r.bbox and r.bbox.area < 20
+ and r.rank_address >= min_rank
+ and r.rank_address <= max_rank)
if base:
baseids = [b.place_id for b in base[:5] if b.place_id]
"""
table = await conn.get_class_table(*category)
- t = conn.t.placex
tgeom = conn.t.placex.alias('pgeom')
- sql = _select_placex(t).where(tgeom.c.place_id.in_(ids))\
- .where(t.c.class_ == category[0])\
- .where(t.c.type == category[1])
-
if table is None:
# No classtype table available, do a simplified lookup in placex.
- sql = sql.join(tgeom, t.c.geometry.ST_DWithin(tgeom.c.centroid, 0.01))\
- .order_by(tgeom.c.centroid.ST_Distance(t.c.centroid))
+ table = conn.t.placex.alias('inner')
+ sql = sa.select(table.c.place_id,
+ sa.func.min(tgeom.c.centroid.ST_Distance(table.c.centroid))
+ .label('dist'))\
+ .join(tgeom, table.c.geometry.intersects(tgeom.c.centroid.ST_Expand(0.01)))\
+ .where(table.c.class_ == category[0])\
+ .where(table.c.type == category[1])
else:
# Use classtype table. We can afford to use a larger
# radius for the lookup.
- sql = sql.join(table, t.c.place_id == table.c.place_id)\
- .join(tgeom,
- table.c.centroid.ST_CoveredBy(
- sa.case((sa.and_(tgeom.c.rank_address < 9,
+ sql = sa.select(table.c.place_id,
+ sa.func.min(tgeom.c.centroid.ST_Distance(table.c.centroid))
+ .label('dist'))\
+ .join(tgeom,
+ table.c.centroid.ST_CoveredBy(
+ sa.case((sa.and_(tgeom.c.rank_address > 9,
tgeom.c.geometry.is_area()),
- tgeom.c.geometry),
- else_ = tgeom.c.centroid.ST_Expand(0.05))))\
- .order_by(tgeom.c.centroid.ST_Distance(table.c.centroid))
+ tgeom.c.geometry),
+ else_ = tgeom.c.centroid.ST_Expand(0.05))))
+
+ inner = sql.where(tgeom.c.place_id.in_(ids))\
+ .group_by(table.c.place_id).subquery()
- sql = sql.where(t.c.rank_address.between(MIN_RANK_PARAM, MAX_RANK_PARAM))
+ t = conn.t.placex
+ sql = _select_placex(t).add_columns((-inner.c.dist).label('importance'))\
+ .join(inner, inner.c.place_id == t.c.place_id)\
+ .order_by(inner.c.dist)
+
+ sql = sql.where(no_index(t.c.rank_address).between(MIN_RANK_PARAM, MAX_RANK_PARAM))
if details.countries:
sql = sql.where(t.c.country_code.in_(COUNTRIES_PARAM))
if details.excluded:
# simply search in placex table
def _base_query() -> SaSelect:
return _select_placex(t) \
+ .add_columns((-t.c.centroid.ST_Distance(NEAR_PARAM))
+ .label('importance'))\
.where(t.c.linked_place_id == None) \
.where(t.c.geometry.ST_DWithin(NEAR_PARAM, NEAR_RADIUS_PARAM)) \
.order_by(t.c.centroid.ST_Distance(NEAR_PARAM)) \
table = await conn.get_class_table(*category)
if table is not None:
sql = _select_placex(t)\
+ .add_columns(t.c.importance)\
.join(table, t.c.place_id == table.c.place_id)\
.where(t.c.class_ == category[0])\
.where(t.c.type == category[1])
ccodes = self.countries.values
sql = _select_placex(t)\
+ .add_columns(t.c.importance)\
.where(t.c.country_code.in_(ccodes))\
.where(t.c.rank_address == 4)
sql = sa.select(tgrid.c.country_code,
tgrid.c.geometry.ST_Centroid().ST_Collect().ST_Centroid()
- .label('centroid'))\
+ .label('centroid'),
+ tgrid.c.geometry.ST_Collect().ST_Expand(0).label('bbox'))\
.where(tgrid.c.country_code.in_(self.countries.values))\
.group_by(tgrid.c.country_code)
+ sa.func.coalesce(t.c.derived_name,
sa.cast('', type_=conn.t.types.Composite))
).label('name'),
- sub.c.centroid)\
+ sub.c.centroid, sub.c.bbox)\
.join(sub, t.c.country_code == sub.c.country_code)
+ if details.geometry_output:
+ sql = _add_geometry_columns(sql, sub.c.centroid, details)
+
results = nres.SearchResults()
for row in await conn.execute(sql, _details_to_bind_params(details)):
result = nres.create_from_country_row(row, nres.SearchResult)
assert result
+ result.bbox = Bbox.from_wkb(row.bbox)
result.accuracy = self.penalty + self.countries.get_penalty(row.country_code, 5.0)
results.append(result)
sql = sql.where(t.c.geometry.intersects(VIEWBOX_PARAM))
else:
penalty += sa.case((t.c.geometry.intersects(VIEWBOX_PARAM), 0.0),
- (t.c.geometry.intersects(VIEWBOX2_PARAM), 1.0),
- else_=2.0)
+ (t.c.geometry.intersects(VIEWBOX2_PARAM), 0.5),
+ else_=1.0)
if details.near is not None:
if details.near_radius is not None:
tsearch = conn.t.search_name
sql: SaLambdaSelect = sa.lambda_stmt(lambda:
- sa.select(t.c.place_id, t.c.osm_type, t.c.osm_id, t.c.name,
- t.c.class_, t.c.type,
- t.c.address, t.c.extratags, t.c.admin_level,
- t.c.housenumber, t.c.postcode, t.c.country_code,
- t.c.wikipedia,
- t.c.parent_place_id, t.c.rank_address, t.c.rank_search,
- t.c.centroid,
- t.c.geometry.ST_Expand(0).label('bbox'))
- .where(t.c.place_id == tsearch.c.place_id))
+ _select_placex(t).where(t.c.place_id == tsearch.c.place_id))
if details.geometry_output:
sql = sql.where(tsearch.c.centroid.ST_Intersects_no_index(VIEWBOX2_PARAM))
else:
penalty += sa.case((t.c.geometry.intersects(VIEWBOX_PARAM), 0.0),
- (t.c.geometry.intersects(VIEWBOX2_PARAM), 1.0),
- else_=2.0)
+ (t.c.geometry.intersects(VIEWBOX2_PARAM), 0.5),
+ else_=1.0)
if details.near is not None:
if details.near_radius is not None:
assert result
result.bbox = Bbox.from_wkb(row.bbox)
result.accuracy = row.accuracy
- if not details.excluded or not result.place_id in details.excluded:
- results.append(result)
-
if self.housenumbers and row.rank_address < 30:
if row.placex_hnr:
subs = _get_placex_housenumbers(conn, row.placex_hnr, details)
sub.accuracy += 0.6
results.append(sub)
- result.accuracy += 1.0 # penalty for missing housenumber
+ # Only add the street as a result, if it meets all other
+ # filter conditions.
+ if (not details.excluded or result.place_id not in details.excluded)\
+ and (not self.qualifiers or result.category in self.qualifiers.values)\
+ and result.rank_address >= details.min_rank:
+ result.accuracy += 1.0 # penalty for missing housenumber
+ results.append(result)
+ else:
+ results.append(result)
return results
projects / nominatim.git / blobdiff