insert into site_aggregates (site_id, users, posts, comments, communities)
select id as site_id,
- ( select coalesce(count(*), 0) from user_) as users,
- ( select coalesce(count(*), 0) from post) as posts,
- ( select coalesce(count(*), 0) from comment) as comments,
- ( select coalesce(count(*), 0) from community) as communities
+ ( select coalesce(count(*), 0) from user_ where local = true) as users,
+ ( select coalesce(count(*), 0) from post where local = true) as posts,
+ ( select coalesce(count(*), 0) from comment where local = true) as comments,
+ ( select coalesce(count(*), 0) from community where local = true) as communities
from site;
-- initial site add
-- Add site aggregate triggers
-- user
-create or replace function site_aggregates_user()
+create function site_aggregates_user_insert()
returns trigger language plpgsql
as $$
begin
- IF (TG_OP = 'INSERT') THEN
- update site_aggregates
- set users = users + 1;
- ELSIF (TG_OP = 'DELETE') THEN
- -- Join to site since the creator might not be there anymore
- update site_aggregates sa
- set users = users - 1
- from site s
- where sa.site_id = s.id;
- END IF;
+ update site_aggregates
+ set users = users + 1;
return null;
end $$;
-create trigger site_aggregates_user
-after insert or delete on user_
+create function site_aggregates_user_delete()
+returns trigger language plpgsql
+as $$
+begin
+ -- Join to site since the creator might not be there anymore
+ update site_aggregates sa
+ set users = users - 1
+ from site s
+ where sa.site_id = s.id;
+ return null;
+end $$;
+
+create trigger site_aggregates_user_insert
+after insert on user_
+for each row
+when (NEW.local = true)
+execute procedure site_aggregates_user_insert();
+
+create trigger site_aggregates_user_delete
+after delete on user_
for each row
-execute procedure site_aggregates_user();
+when (OLD.local = true)
+execute procedure site_aggregates_user_delete();
-- post
-create function site_aggregates_post()
+create function site_aggregates_post_insert()
returns trigger language plpgsql
as $$
begin
- IF (TG_OP = 'INSERT') THEN
- update site_aggregates
- set posts = posts + 1;
- ELSIF (TG_OP = 'DELETE') THEN
- update site_aggregates sa
- set posts = posts - 1
- from site s
- where sa.site_id = s.id;
- END IF;
+ update site_aggregates
+ set posts = posts + 1;
return null;
end $$;
-create trigger site_aggregates_post
-after insert or delete on post
+create function site_aggregates_post_delete()
+returns trigger language plpgsql
+as $$
+begin
+ update site_aggregates sa
+ set posts = posts - 1
+ from site s
+ where sa.site_id = s.id;
+ return null;
+end $$;
+
+create trigger site_aggregates_post_insert
+after insert on post
+for each row
+when (NEW.local = true)
+execute procedure site_aggregates_post_insert();
+
+create trigger site_aggregates_post_delete
+after delete on post
for each row
-execute procedure site_aggregates_post();
+when (OLD.local = true)
+execute procedure site_aggregates_post_delete();
-- comment
-create function site_aggregates_comment()
+create function site_aggregates_comment_insert()
returns trigger language plpgsql
as $$
begin
- IF (TG_OP = 'INSERT') THEN
- update site_aggregates
- set comments = comments + 1;
- ELSIF (TG_OP = 'DELETE') THEN
- update site_aggregates sa
- set comments = comments - 1
- from site s
- where sa.site_id = s.id;
- END IF;
+ update site_aggregates
+ set comments = comments + 1;
return null;
end $$;
-create trigger site_aggregates_comment
-after insert or delete on comment
+create function site_aggregates_comment_delete()
+returns trigger language plpgsql
+as $$
+begin
+ update site_aggregates sa
+ set comments = comments - 1
+ from site s
+ where sa.site_id = s.id;
+ return null;
+end $$;
+
+create trigger site_aggregates_comment_insert
+after insert on comment
+for each row
+when (NEW.local = true)
+execute procedure site_aggregates_comment_insert();
+
+create trigger site_aggregates_comment_delete
+after delete on comment
for each row
-execute procedure site_aggregates_comment();
+when (OLD.local = true)
+execute procedure site_aggregates_comment_delete();
-- community
-create function site_aggregates_community()
+create function site_aggregates_community_insert()
returns trigger language plpgsql
as $$
begin
- IF (TG_OP = 'INSERT') THEN
- update site_aggregates
- set communities = communities + 1;
- ELSIF (TG_OP = 'DELETE') THEN
- update site_aggregates sa
- set communities = communities - 1
- from site s
- where sa.site_id = s.id;
- END IF;
+ update site_aggregates
+ set communities = communities + 1;
+ return null;
+end $$;
+
+create function site_aggregates_community_delete()
+returns trigger language plpgsql
+as $$
+begin
+ update site_aggregates sa
+ set communities = communities - 1
+ from site s
+ where sa.site_id = s.id;
return null;
end $$;
-create trigger site_aggregates_community
-after insert or delete on community
+create trigger site_aggregates_community_insert
+after insert on community
for each row
-execute procedure site_aggregates_community();
+when (NEW.local = true)
+execute procedure site_aggregates_community_insert();
+create trigger site_aggregates_community_delete
+after delete on community
+for each row
+when (OLD.local = true)
+execute procedure site_aggregates_community_delete();