lemmy/migrations/2019-05-02-051656_community_view_hot_rank/down.sql
Dessalines be1389420b
Adding SQL format checking via pg_format / pgFormatter (#3740)
* SQL format checking, 1.

* SQL format checking, 2.

* SQL format checking, 3.

* SQL format checking, 4.

* SQL format checking, 5.

* Running pg_format

* Getting rid of comment.

* Upping pg_format version.

* Using git ls-files for sql format check.

* Fixing sql lints.

* Addressing PR comments.
2023-08-02 12:44:51 -04:00

69 lines
1.4 KiB
SQL

DROP VIEW community_view;
CREATE VIEW community_view AS
with all_community AS (
SELECT
*,
(
SELECT
name
FROM
user_ u
WHERE
c.creator_id = u.id) AS creator_name,
(
SELECT
name
FROM
category ct
WHERE
c.category_id = ct.id) AS category_name,
(
SELECT
count(*)
FROM
community_follower cf
WHERE
cf.community_id = c.id) AS number_of_subscribers,
(
SELECT
count(*)
FROM
post p
WHERE
p.community_id = c.id) AS number_of_posts,
(
SELECT
count(*)
FROM
comment co,
post p
WHERE
c.id = p.community_id
AND p.id = co.post_id) AS number_of_comments
FROM
community c
)
SELECT
ac.*,
u.id AS user_id,
(
SELECT
cf.id::boolean
FROM
community_follower cf
WHERE
u.id = cf.user_id
AND ac.id = cf.community_id) AS subscribed
FROM
user_ u
CROSS JOIN all_community ac
UNION ALL
SELECT
ac.*,
NULL AS user_id,
NULL AS subscribed
FROM
all_community ac;