setup: add convenience function for executing SQL commands

[nominatim.git] / sql / functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index 993084ef722604bce3d76914a82fb495055c9f06..4a12921076e18a145f76dee652dd3349adebc4cd 100644 (file)
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -35,7 +35,7 @@ CREATE OR REPLACE FUNCTION make_standard_name(name TEXT) RETURNS TEXT
 DECLARE
   o TEXT;
 BEGIN
-  o := gettokenstring(transliteration(name));
+  o := public.gettokenstring(public.transliteration(name));
   RETURN trim(substr(o,1,length(o)));
 END;
 $$
@@ -256,6 +256,28 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION reverse_place_diameter(rank_search SMALLINT)
+  RETURNS FLOAT
+  AS $$
+BEGIN
+  IF rank_search <= 4 THEN
+    RETURN 5.0;
+  ELSIF rank_search <= 8 THEN
+    RETURN 1.8;
+  ELSIF rank_search <= 12 THEN
+    RETURN 0.6;
+  ELSIF rank_search <= 17 THEN
+    RETURN 0.16;
+  ELSIF rank_search <= 18 THEN
+    RETURN 0.08;
+  ELSIF rank_search <= 19 THEN
+    RETURN 0.04;
+  END IF;
+
+  RETURN 0.02;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
 
 CREATE OR REPLACE FUNCTION get_postcode_rank(country_code VARCHAR(2), postcode TEXT,
                                       OUT rank_search SMALLINT, OUT rank_address SMALLINT)
@@ -842,21 +864,29 @@ BEGIN
         SELECT * FROM get_postcode_rank(NEW.country_code, NEW.address->'postcode')
           INTO NEW.rank_search, NEW.rank_address;
 
+        IF NOT ST_GeometryType(NEW.geometry) IN ('ST_Polygon','ST_MultiPolygon') THEN
+            NEW.rank_address := 0;
+        END IF;
+
     ELSEIF NEW.class = 'place' THEN
-      IF NEW.type in ('continent') THEN
-        NEW.rank_search := 2;
-        NEW.rank_address := NEW.rank_search;
-        NEW.country_code := NULL;
-      ELSEIF NEW.type in ('sea') THEN
+      IF NEW.type in ('continent', 'sea') THEN
         NEW.rank_search := 2;
         NEW.rank_address := 0;
         NEW.country_code := NULL;
       ELSEIF NEW.type in ('country') THEN
         NEW.rank_search := 4;
-        NEW.rank_address := NEW.rank_search;
+        IF ST_GeometryType(NEW.geometry) IN ('ST_Polygon','ST_MultiPolygon') THEN
+            NEW.rank_address := NEW.rank_search;
+        ELSE
+            NEW.rank_address := 0;
+        END IF;
       ELSEIF NEW.type in ('state') THEN
         NEW.rank_search := 8;
-        NEW.rank_address := NEW.rank_search;
+        IF ST_GeometryType(NEW.geometry) IN ('ST_Polygon','ST_MultiPolygon') THEN
+            NEW.rank_address := NEW.rank_search;
+        ELSE
+            NEW.rank_address := 0;
+        END IF;
       ELSEIF NEW.type in ('region') THEN
         NEW.rank_search := 18; -- dropped from previous value of 10
         NEW.rank_address := 0; -- So badly miss-used that better to just drop it!