rename documentation to 'Nominatim Manual'

[nominatim.git] / nominatim / db / sqlalchemy_types.py

diff --git a/nominatim/db/sqlalchemy_types.py b/nominatim/db/sqlalchemy_types.py
index f5ec82bdbc4ef24b46d357c5ea060195b6302e68..7b9590363db2a055962e61ac2d850397cfc0e5d2 100644 (file)
--- a/nominatim/db/sqlalchemy_types.py
+++ b/nominatim/db/sqlalchemy_types.py
@@ -7,7 +7,8 @@
 """
 Custom types for SQLAlchemy.
 """
-from typing import Callable, Any
+from typing import Callable, Any, cast
+import sys
 
 import sqlalchemy as sa
 from sqlalchemy import types
@@ -16,7 +17,7 @@ from nominatim.typing import SaColumn, SaBind
 
 #pylint: disable=all
 
-class Geometry(types.UserDefinedType[Any]):
+class Geometry(types.UserDefinedType): # type: ignore[type-arg]
     """ Simplified type decorator for PostGIS geometry. This type
         only supports geometries in 4326 projection.
     """
@@ -33,9 +34,9 @@ class Geometry(types.UserDefinedType[Any]):
     def bind_processor(self, dialect: 'sa.Dialect') -> Callable[[Any], str]:
         def process(value: Any) -> str:
             if isinstance(value, str):
-                return 'SRID=4326;' + value
+                return value
 
-            return 'SRID=4326;' + value.to_wkt()
+            return cast(str, value.to_wkt())
         return process
 
 
@@ -47,10 +48,10 @@ class Geometry(types.UserDefinedType[Any]):
 
 
     def bind_expression(self, bindvalue: SaBind) -> SaColumn:
-        return sa.func.ST_GeomFromText(bindvalue, type_=self)
+        return sa.func.ST_GeomFromText(bindvalue, sa.text('4326'), type_=self)
 
 
-    class comparator_factory(types.UserDefinedType.Comparator):
+    class comparator_factory(types.UserDefinedType.Comparator): # type: ignore[type-arg]
 
         def intersects(self, other: SaColumn) -> 'sa.Operators':
             return self.op('&&')(other)
@@ -65,7 +66,16 @@ class Geometry(types.UserDefinedType[Any]):
 
 
         def ST_DWithin(self, other: SaColumn, distance: SaColumn) -> SaColumn:
-            return sa.func.ST_DWithin(self, other, distance, type_=sa.Float)
+            return sa.func.ST_DWithin(self, other, distance, type_=sa.Boolean)
+
+
+        def ST_DWithin_no_index(self, other: SaColumn, distance: SaColumn) -> SaColumn:
+            return sa.func.ST_DWithin(sa.func.coalesce(sa.null(), self),
+                                      other, distance, type_=sa.Boolean)
+
+
+        def ST_Intersects_no_index(self, other: SaColumn) -> 'sa.Operators':
+            return sa.func.coalesce(sa.null(), self).op('&&')(other)
 
 
         def ST_Distance(self, other: SaColumn) -> SaColumn:
@@ -73,7 +83,11 @@ class Geometry(types.UserDefinedType[Any]):
 
 
         def ST_Contains(self, other: SaColumn) -> SaColumn:
-            return sa.func.ST_Contains(self, other, type_=sa.Float)
+            return sa.func.ST_Contains(self, other, type_=sa.Boolean)
+
+
+        def ST_CoveredBy(self, other: SaColumn) -> SaColumn:
+            return sa.func.ST_CoveredBy(self, other, type_=sa.Boolean)
 
 
         def ST_ClosestPoint(self, other: SaColumn) -> SaColumn: