#29 Implement Workgroup (create query)

Create SQL query to get/set workgroup
Add workgroup to article query

src/main/resources/sql/fixtures/04-article.sql

@@ -9,15 +9,17 @@ declare
     }
     $tags$;
     _citizen_count int = (select count(z) from citizen z);
+    _workgroup_count int = (select count(w) from workgroup w);
 begin
     delete from article_relations;
     delete from article;
 
-    insert into article (id, version_id, created_by_id, title, anonymous, content, description, tags, created_at, draft)
+    insert into article (id, version_id, created_by_id, workgroup_id, title, anonymous, content, description, tags, created_at, draft)
     select
         uuid_in(md5('article'||row_number() over ())::cstring),
         uuid_in(md5('article_v'||row_number() over () % (_citizen_count / 2))::cstring),
         z.id,
+        case when row_number() over () % 2 = 0 then w.id end,
         'title' || row_number() over (),
         row_number() over () % 3 = 0,
         'content' || row_number() over (),
@@ -25,7 +27,8 @@ begin
         _tags[(row_number() over () % 5):(row_number() over () % 9)],
         now() + (row_number() over () * interval '7 minute 3 second'),
         (row_number() over () % 7) = 0
-    from citizen z;
+    from (select *, row_number() over () rn from citizen z) z
+    join (select *, row_number() over () % _workgroup_count rn from workgroup) w using (rn);
 
     insert into article_relations (source_id, target_id, created_by_id, comment)
     select