improvements and fixes

examples/cities/pgsql/fload.sql

@@ -6,33 +6,23 @@ declare
   count int := 0;
   event bigint := new_event();
   city record;
-  rkey text;
+  key text;
 begin
   for city in
     select name, regiokey, ckey, inhabitants from cities
       where rectype = '60'
       --limit 1
   loop
-    rkey := load_city(city.name, city.regiokey, city.ckey, city.inhabitants, event);
+    key := 'xcd:' || city.regiokey;
+    insert into vtriples (stname, stext, ptext, otname, otext, creation) values 
+      ('node', key, 'rdf:type', 'node', 'xc:City', event),
+      ('node', key, 'rdfs:label', 'text', city.name, event),
+      ('node', key, 'xc:regiokey', 'text', city.regiokey, event),
+      ('node', key, 'xc:ckey', 'text', city.ckey, event),
+      ('node', key, 'xc:population', 'int', text(city.inhabitants), event);
     count := count + 1;
   end loop;
   return count;
 end;
 $$ language plpgsql;
 
-
-create or replace function load_city(
-    name text, regiokey text, ckey text, inhabitants int, 
-    event bigint) returns text as $$
-declare
-  key text := 'xcd:' || regiokey;
-begin
-  insert into vtriples (stname, stext, ptext, otname, otext, creation) values 
-    ('node', key, 'rdf:type', 'node', 'xc:City', event),
-    ('node', key, 'rdfs:label', 'text', name, event),
-    ('node', key, 'xc:regiokey', 'text', regiokey, event),
-    ('node', key, 'xc:ckey', 'text', ckey, event),
-    ('node', key, 'xc:population', 'int', text(inhabitants), event);
-  return regiokey;
-end;
-$$ language plpgsql;

examples/cities/pgsql/lmeta.sql

@@ -2,7 +2,7 @@
 -- load metadata triples for cities example project
 
 select load_namespace('http://cyberconcepts.org/cco-example/cities#', 'xc');
-select load_namespace('http://cyberconcepts.org/cco-example/cities_data#', 'xcd');
+select load_namespace('http://cyberconcepts.org/cco-example/cities-data#', 'xcd');
 
 select new_event() as event
 \gset

pgsql/init.sql

@@ -1,14 +1,12 @@
 
 -- create tables and views
 \i tcreate.sql
+\i fshow.sql
 \i vtriples.sql
 
--- create functions
+-- create loading function and triggers
 \i fload.sql
-\i fshow.sql
-
--- create triggers
-\i tgtriple.sql
+\i tgtriples.sql
 
 -- load data
 \i lbase.sql

pgsql/tcreate.sql

@@ -42,15 +42,6 @@ CREATE TABLE texts (
     text text NOT NULL unique
 );
 
--- set table owner
-
-ALTER TABLE nodes OWNER TO cco;
-ALTER TABLE datatypes OWNER TO cco;
-ALTER TABLE namespaces OWNER TO cco;
-ALTER TABLE triples OWNER TO cco;
-ALTER TABLE events OWNER TO cco;
-ALTER TABLE texts OWNER TO cco;
-
 -- indexes
 
 CREATE INDEX idx_iri ON namespaces USING btree (iri);