Merge remote-tracking branch 'upstream/master'

[nominatim.git] / sql / functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index 691ba85e39716700e568565d620a98d3e324904f..2606cdcabc2dcb45ffe189ed9fcff7f1b990fe28 100644 (file)
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -101,7 +101,7 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION getorcreate_amenity(lookup_word TEXT, lookup_class text, lookup_type text)
+CREATE OR REPLACE FUNCTION getorcreate_amenity(lookup_word TEXT, normalized_word TEXT, lookup_class text, lookup_type text)
   RETURNS INTEGER
   AS $$
 DECLARE
@@ -109,17 +109,17 @@ DECLARE
   return_word_id INTEGER;
 BEGIN
   lookup_token := ' '||trim(lookup_word);
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type into return_word_id;
+  SELECT min(word_id) FROM word WHERE word_token = lookup_token and word=normalized_word and class=lookup_class and type = lookup_type into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0);
+    INSERT INTO word VALUES (return_word_id, lookup_token, normalized_word, lookup_class, lookup_type, null, 0);
   END IF;
   RETURN return_word_id;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION getorcreate_amenityoperator(lookup_word TEXT, lookup_class text, lookup_type text, op text)
+CREATE OR REPLACE FUNCTION getorcreate_amenityoperator(lookup_word TEXT, normalized_word TEXT, lookup_class text, lookup_type text, op text)
   RETURNS INTEGER
   AS $$
 DECLARE
@@ -127,10 +127,10 @@ DECLARE
   return_word_id INTEGER;
 BEGIN
   lookup_token := ' '||trim(lookup_word);
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type and operator = op into return_word_id;
+  SELECT min(word_id) FROM word WHERE word_token = lookup_token and word=normalized_word and class=lookup_class and type = lookup_type and operator = op into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0, op);
+    INSERT INTO word VALUES (return_word_id, lookup_token, normalized_word, lookup_class, lookup_type, null, 0, op);
   END IF;
   RETURN return_word_id;
 END;
@@ -1140,6 +1140,8 @@ DECLARE
   nameaddress_vector INTEGER[];
 
   linked_node_id BIGINT;
+  linked_importance FLOAT;
+  linked_wikipedia TEXT;
 
   result BOOLEAN;
 BEGIN
@@ -1511,6 +1513,7 @@ BEGIN
 
           -- keep a note of the node id in case we need it for wikipedia in a bit
           linked_node_id := linkedPlacex.osm_id;
+          select language||':'||title,importance from get_wikipedia_match(linkedPlacex.extratags, NEW.country_code) INTO linked_wikipedia,linked_importance;
         END LOOP;
 
       END LOOP;
@@ -1546,6 +1549,7 @@ BEGIN
 
               -- keep a note of the node id in case we need it for wikipedia in a bit
               linked_node_id := linkedPlacex.osm_id;
+              select language||':'||title,importance from get_wikipedia_match(linkedPlacex.extratags, NEW.country_code) INTO linked_wikipedia,linked_importance;
             END IF;
 
           END LOOP;
@@ -1588,6 +1592,7 @@ BEGIN
 
         -- keep a note of the node id in case we need it for wikipedia in a bit
         linked_node_id := linkedPlacex.osm_id;
+        select language||':'||title,importance from get_wikipedia_match(linkedPlacex.extratags, NEW.country_code) INTO linked_wikipedia,linked_importance;
       END LOOP;
     END IF;
 
@@ -1608,10 +1613,12 @@ BEGIN
       END IF;
     END IF;
 
-    -- Did we gain a wikipedia tag in the process? then we need to recalculate our importance
-    IF NEW.importance is null THEN
-      select language||':'||title,importance from get_wikipedia_match(NEW.extratags, NEW.country_code) INTO NEW.wikipedia,NEW.importance;
+    -- Use the maximum importance if a one could be computed from the linked object.
+    IF linked_importance is not null AND
+        (NEW.importance is null or NEW.importance < linked_importance) THEN
+        NEW.importance = linked_importance;
     END IF;
+
     -- Still null? how about looking it up by the node id
     IF NEW.importance IS NULL THEN
       select language||':'||title,importance from wikipedia_article where osm_type = 'N'::char(1) and osm_id = linked_node_id order by importance desc limit 1 INTO NEW.wikipedia,NEW.importance;