initialize an empty dictionary for nested name key

[nominatim.git] / lib-sql / functions / utils.sql

diff --git a/lib-sql/functions/utils.sql b/lib-sql/functions/utils.sql
index c308d0259b8505887d8c8fdc9a85630a20b3313f..d7fdae3d57f8c06df357514e6a2e24d3a445413f 100644 (file)
--- a/lib-sql/functions/utils.sql
+++ b/lib-sql/functions/utils.sql
@@ -1,3 +1,10 @@
+-- SPDX-License-Identifier: GPL-2.0-only
+--
+-- This file is part of Nominatim. (https://nominatim.org)
+--
+-- Copyright (C) 2022 by the Nominatim developer community.
+-- For a full list of authors see the git log.
+
 -- Assorted helper functions for the triggers.
 
 CREATE OR REPLACE FUNCTION geometry_sector(partition INTEGER, place geometry)
@@ -215,13 +222,12 @@ LANGUAGE plpgsql STABLE;
 
 -- Find the parent of an address with addr:street/addr:place tag.
 --
--- \param street     Value of addr:street or NULL if tag is missing.
--- \param place      Value of addr:place or NULL if tag is missing.
+-- \param token_info Naming info with the address information.
 -- \param partition  Partition where to search the parent.
 -- \param centroid   Location of the address.
 --
 -- \return Place ID of the parent if one was found, NULL otherwise.
-CREATE OR REPLACE FUNCTION find_parent_for_address(street INTEGER[], place INTEGER[],
+CREATE OR REPLACE FUNCTION find_parent_for_address(token_info JSONB,
                                                    partition SMALLINT,
                                                    centroid GEOMETRY)
   RETURNS BIGINT
@@ -229,30 +235,22 @@ CREATE OR REPLACE FUNCTION find_parent_for_address(street INTEGER[], place INTEG
 DECLARE
   parent_place_id BIGINT;
 BEGIN
-  IF street is not null THEN
-    -- Check for addr:street attributes
-    -- Note that addr:street links can only be indexed, once the street itself is indexed
-    parent_place_id := getNearestNamedRoadPlaceId(partition, centroid, street);
-    IF parent_place_id is not null THEN
-      {% if debug %}RAISE WARNING 'Get parent form addr:street: %', parent_place_id;{% endif %}
-      RETURN parent_place_id;
-    END IF;
+  -- Check for addr:street attributes
+  parent_place_id := getNearestNamedRoadPlaceId(partition, centroid, token_info);
+  IF parent_place_id is not null THEN
+    {% if debug %}RAISE WARNING 'Get parent from addr:street: %', parent_place_id;{% endif %}
+    RETURN parent_place_id;
   END IF;
 
   -- Check for addr:place attributes.
-  IF place is not null THEN
-    parent_place_id := getNearestNamedPlacePlaceId(partition, centroid, place);
-    IF parent_place_id is not null THEN
-      {% if debug %}RAISE WARNING 'Get parent form addr:place: %', parent_place_id;{% endif %}
-      RETURN parent_place_id;
-    END IF;
-  END IF;
-
-  RETURN NULL;
+  parent_place_id := getNearestNamedPlacePlaceId(partition, centroid, token_info);
+  {% if debug %}RAISE WARNING 'Get parent from addr:place: %', parent_place_id;{% endif %}
+  RETURN parent_place_id;
 END;
 $$
 LANGUAGE plpgsql STABLE;
 
+
 CREATE OR REPLACE FUNCTION delete_location(OLD_place_id BIGINT)
   RETURNS BOOLEAN
   AS $$