Sto cercando una query che mi restituisca statistiche sull’utilizzo/partecipazione per tutti gli utenti di un gruppo specifico. Abbiamo dei volontari che aiutano la comunità e li abbiamo tutti nel gruppo principale “ninjas”. Vorrei ottenere una tabella con dati che includano cose come: visite, argomenti letti, post letti, argomenti creati, risposte agli argomenti, numero di messaggi privati, like dati, like ricevuti, ecc. Vorrei poter inserire il periodo di tempo e il nome del gruppo come parametri. Ho iniziato con questa query che ho trovato in questo argomento, ma non sono sicuro di come limitarla a un gruppo specifico.
-- [params]
-- int :from_days_ago = 0
-- int :duration_days = 30
with
t as (
select
CURRENT_TIMESTAMP - ((:from_days_ago + :duration_days) * (INTERVAL '1 days')) as start,
CURRENT_TIMESTAMP - (:from_days_ago * (INTERVAL '1 days')) as end
),
pr as (
select user_id,
count(1) as visits,
sum(posts_read) as posts_read
from user_visits, t
where posts_read > 0
and visited_at > t.start
and visited_at < t.end
group by user_id
),
pc as (
select user_id,
count(1) as posts_created
from posts, t
where created_at > t.start
and created_at < t.end
group by user_id
),
ttopics as (
select user_id, posts_count
from topics, t
where created_at > t.start
and created_at < t.end
),
tc as (
select user_id,
count(1) as topics_created
from ttopics
group by user_id
),
twr as (
select user_id,
count(1) as topics_with_replies
from ttopics
where posts_count > 1
group by user_id
),
tv as (
select user_id,
count(distinct(topic_id)) as topics_viewed
from topic_views, t
where viewed_at > t.start
and viewed_at < t.end
group by user_id
),
likes as (
select
post_actions.user_id as given_by_user_id,
posts.user_id as received_by_user_id
from t, post_actions
left join posts
on post_actions.post_id = posts.id
where post_actions.created_at > t.start
and post_actions.created_at < t.end
and post_action_type_id = 2
),
lg as (
select given_by_user_id as user_id,
count(1) as likes_given
from likes
group by user_id
),
lr as (
select received_by_user_id as user_id,
count(1) as likes_received
from likes
group by user_id
),
e as (
select email, user_id
from user_emails u
where u.primary = true
)
select pr.user_id,
username,
name,
email,
visits,
coalesce(topics_viewed,0) as topics_viewed,
coalesce(posts_read,0) as posts_read,
coalesce(posts_created,0) as posts_created,
coalesce(topics_created,0) as topics_created,
coalesce(topics_with_replies,0) as topics_with_replies,
coalesce(likes_given,0) as likes_given,
coalesce(likes_received,0) as likes_received
from pr
left join tv using (user_id)
left join pc using (user_id)
left join tc using (user_id)
left join twr using (user_id)
left join lg using (user_id)
left join lr using (user_id)
left join e using (user_id)
left join users on pr.user_id = users.id
order by
visits desc,
posts_read desc,
posts_created desc
Questa query contiene praticamente tutto. Vorrei vedere se è possibile aggiungere time_read come colonna.
