mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-11-30 16:21:24 +00:00
945 lines
23 KiB
PL/PgSQL
945 lines
23 KiB
PL/PgSQL
-- Drops first
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DROP VIEW IF EXISTS site_view;
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DROP TABLE IF EXISTS user_fast;
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DROP VIEW IF EXISTS user_view;
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DROP VIEW IF EXISTS post_fast_view;
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DROP TABLE IF EXISTS post_aggregates_fast;
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DROP VIEW IF EXISTS post_view;
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DROP VIEW IF EXISTS post_aggregates_view;
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DROP VIEW IF EXISTS community_moderator_view;
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DROP VIEW IF EXISTS community_follower_view;
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DROP VIEW IF EXISTS community_user_ban_view;
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DROP VIEW IF EXISTS community_view;
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DROP VIEW IF EXISTS community_aggregates_view;
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DROP VIEW IF EXISTS community_fast_view;
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DROP TABLE IF EXISTS community_aggregates_fast;
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DROP VIEW IF EXISTS private_message_view;
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DROP VIEW IF EXISTS user_mention_view;
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DROP VIEW IF EXISTS reply_fast_view;
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DROP VIEW IF EXISTS comment_fast_view;
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DROP VIEW IF EXISTS comment_view;
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DROP VIEW IF EXISTS user_mention_fast_view;
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DROP TABLE IF EXISTS comment_aggregates_fast;
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DROP VIEW IF EXISTS comment_aggregates_view;
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ALTER TABLE site
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DROP COLUMN icon,
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DROP COLUMN banner;
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ALTER TABLE community
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DROP COLUMN icon,
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DROP COLUMN banner;
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ALTER TABLE user_
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DROP COLUMN banner;
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-- Site
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CREATE VIEW site_view AS
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SELECT
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*,
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(
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SELECT
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name
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FROM
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user_ u
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WHERE
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s.creator_id = u.id) AS creator_name,
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(
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SELECT
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avatar
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FROM
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user_ u
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WHERE
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s.creator_id = u.id) AS creator_avatar,
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(
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SELECT
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count(*)
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FROM
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user_) AS number_of_users,
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(
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SELECT
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count(*)
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FROM
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post) AS number_of_posts,
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(
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SELECT
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count(*)
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FROM
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comment) AS number_of_comments,
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(
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SELECT
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count(*)
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FROM
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community) AS number_of_communities
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FROM
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site s;
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-- User
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CREATE VIEW user_view AS
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SELECT
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u.id,
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u.actor_id,
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u.name,
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u.avatar,
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u.email,
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u.matrix_user_id,
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u.bio,
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u.local,
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u.admin,
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u.banned,
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u.show_avatars,
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u.send_notifications_to_email,
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u.published,
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coalesce(pd.posts, 0) AS number_of_posts,
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coalesce(pd.score, 0) AS post_score,
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coalesce(cd.comments, 0) AS number_of_comments,
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coalesce(cd.score, 0) AS comment_score
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FROM
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user_ u
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LEFT JOIN (
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SELECT
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p.creator_id AS creator_id,
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count(DISTINCT p.id) AS posts,
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sum(pl.score) AS score
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FROM
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post p
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JOIN post_like pl ON p.id = pl.post_id
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GROUP BY
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p.creator_id) pd ON u.id = pd.creator_id
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LEFT JOIN (
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SELECT
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c.creator_id,
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count(DISTINCT c.id) AS comments,
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sum(cl.score) AS score
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FROM
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comment c
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JOIN comment_like cl ON c.id = cl.comment_id
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GROUP BY
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c.creator_id) cd ON u.id = cd.creator_id;
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CREATE TABLE user_fast AS
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SELECT
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*
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FROM
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user_view;
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ALTER TABLE user_fast
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ADD PRIMARY KEY (id);
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-- Post fast
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CREATE VIEW post_aggregates_view AS
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SELECT
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p.*,
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-- creator details
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u.actor_id AS creator_actor_id,
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u."local" AS creator_local,
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u."name" AS creator_name,
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u.published AS creator_published,
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u.avatar AS creator_avatar,
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u.banned AS banned,
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cb.id::bool AS banned_from_community,
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-- community details
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c.actor_id AS community_actor_id,
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c."local" AS community_local,
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c."name" AS community_name,
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c.removed AS community_removed,
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c.deleted AS community_deleted,
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c.nsfw AS community_nsfw,
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-- post score data/comment count
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coalesce(ct.comments, 0) AS number_of_comments,
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coalesce(pl.score, 0) AS score,
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coalesce(pl.upvotes, 0) AS upvotes,
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coalesce(pl.downvotes, 0) AS downvotes,
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hot_rank (coalesce(pl.score, 0), (
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CASE WHEN (p.published < ('now'::timestamp - '1 month'::interval)) THEN
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p.published
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ELSE
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greatest (ct.recent_comment_time, p.published)
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END)) AS hot_rank,
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(
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CASE WHEN (p.published < ('now'::timestamp - '1 month'::interval)) THEN
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p.published
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ELSE
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greatest (ct.recent_comment_time, p.published)
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END) AS newest_activity_time
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FROM
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post p
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LEFT JOIN user_ u ON p.creator_id = u.id
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LEFT JOIN community_user_ban cb ON p.creator_id = cb.user_id
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AND p.community_id = cb.community_id
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LEFT JOIN community c ON p.community_id = c.id
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LEFT JOIN (
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SELECT
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post_id,
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count(*) AS comments,
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max(published) AS recent_comment_time
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FROM
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comment
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GROUP BY
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post_id) ct ON ct.post_id = p.id
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LEFT JOIN (
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SELECT
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post_id,
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sum(score) AS score,
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sum(score) FILTER (WHERE score = 1) AS upvotes,
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- sum(score) FILTER (WHERE score = - 1) AS downvotes
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FROM
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post_like
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GROUP BY
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post_id) pl ON pl.post_id = p.id
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ORDER BY
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p.id;
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CREATE VIEW post_view AS
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SELECT
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pav.*,
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us.id AS user_id,
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us.user_vote AS my_vote,
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us.is_subbed::bool AS subscribed,
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us.is_read::bool AS read,
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us.is_saved::bool AS saved
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FROM
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post_aggregates_view pav
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CROSS JOIN LATERAL (
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SELECT
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u.id,
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coalesce(cf.community_id, 0) AS is_subbed,
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coalesce(pr.post_id, 0) AS is_read,
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coalesce(ps.post_id, 0) AS is_saved,
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coalesce(pl.score, 0) AS user_vote
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FROM
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user_ u
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LEFT JOIN community_user_ban cb ON u.id = cb.user_id
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AND cb.community_id = pav.community_id
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LEFT JOIN community_follower cf ON u.id = cf.user_id
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AND cf.community_id = pav.community_id
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LEFT JOIN post_read pr ON u.id = pr.user_id
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AND pr.post_id = pav.id
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LEFT JOIN post_saved ps ON u.id = ps.user_id
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AND ps.post_id = pav.id
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LEFT JOIN post_like pl ON u.id = pl.user_id
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AND pav.id = pl.post_id) AS us
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UNION ALL
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SELECT
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pav.*,
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NULL AS user_id,
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NULL AS my_vote,
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NULL AS subscribed,
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NULL AS read,
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NULL AS saved
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FROM
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post_aggregates_view pav;
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CREATE TABLE post_aggregates_fast AS
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SELECT
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*
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FROM
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post_aggregates_view;
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ALTER TABLE post_aggregates_fast
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ADD PRIMARY KEY (id);
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CREATE VIEW post_fast_view AS
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SELECT
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pav.*,
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us.id AS user_id,
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us.user_vote AS my_vote,
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us.is_subbed::bool AS subscribed,
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us.is_read::bool AS read,
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us.is_saved::bool AS saved
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FROM
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post_aggregates_fast pav
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CROSS JOIN LATERAL (
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SELECT
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u.id,
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coalesce(cf.community_id, 0) AS is_subbed,
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coalesce(pr.post_id, 0) AS is_read,
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coalesce(ps.post_id, 0) AS is_saved,
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coalesce(pl.score, 0) AS user_vote
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FROM
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user_ u
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LEFT JOIN community_user_ban cb ON u.id = cb.user_id
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AND cb.community_id = pav.community_id
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LEFT JOIN community_follower cf ON u.id = cf.user_id
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AND cf.community_id = pav.community_id
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LEFT JOIN post_read pr ON u.id = pr.user_id
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AND pr.post_id = pav.id
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LEFT JOIN post_saved ps ON u.id = ps.user_id
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AND ps.post_id = pav.id
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LEFT JOIN post_like pl ON u.id = pl.user_id
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AND pav.id = pl.post_id) AS us
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UNION ALL
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SELECT
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pav.*,
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NULL AS user_id,
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NULL AS my_vote,
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NULL AS subscribed,
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NULL AS read,
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NULL AS saved
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FROM
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post_aggregates_fast pav;
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-- Community
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CREATE VIEW community_aggregates_view AS
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SELECT
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c.id,
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c.name,
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c.title,
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c.description,
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c.category_id,
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c.creator_id,
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c.removed,
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c.published,
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c.updated,
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c.deleted,
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c.nsfw,
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c.actor_id,
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c.local,
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c.last_refreshed_at,
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u.actor_id AS creator_actor_id,
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u.local AS creator_local,
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u.name AS creator_name,
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u.avatar AS creator_avatar,
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cat.name AS category_name,
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coalesce(cf.subs, 0) AS number_of_subscribers,
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coalesce(cd.posts, 0) AS number_of_posts,
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coalesce(cd.comments, 0) AS number_of_comments,
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hot_rank (cf.subs, c.published) AS hot_rank
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FROM
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community c
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LEFT JOIN user_ u ON c.creator_id = u.id
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LEFT JOIN category cat ON c.category_id = cat.id
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LEFT JOIN (
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SELECT
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p.community_id,
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count(DISTINCT p.id) AS posts,
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count(DISTINCT ct.id) AS comments
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FROM
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post p
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JOIN comment ct ON p.id = ct.post_id
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GROUP BY
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p.community_id) cd ON cd.community_id = c.id
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LEFT JOIN (
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SELECT
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community_id,
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count(*) AS subs
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FROM
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community_follower
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GROUP BY
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community_id) cf ON cf.community_id = c.id;
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CREATE VIEW community_view AS
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SELECT
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cv.*,
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us.user AS user_id,
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us.is_subbed::bool AS subscribed
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FROM
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community_aggregates_view cv
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CROSS JOIN LATERAL (
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SELECT
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u.id AS user,
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coalesce(cf.community_id, 0) AS is_subbed
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FROM
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user_ u
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LEFT JOIN community_follower cf ON u.id = cf.user_id
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AND cf.community_id = cv.id) AS us
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UNION ALL
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SELECT
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cv.*,
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NULL AS user_id,
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NULL AS subscribed
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FROM
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community_aggregates_view cv;
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CREATE VIEW community_moderator_view AS
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SELECT
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cm.*,
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u.actor_id AS user_actor_id,
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u.local AS user_local,
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u.name AS user_name,
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u.avatar AS avatar,
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c.actor_id AS community_actor_id,
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c.local AS community_local,
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c.name AS community_name
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FROM
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community_moderator cm
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LEFT JOIN user_ u ON cm.user_id = u.id
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LEFT JOIN community c ON cm.community_id = c.id;
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CREATE VIEW community_follower_view AS
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SELECT
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cf.*,
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u.actor_id AS user_actor_id,
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u.local AS user_local,
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u.name AS user_name,
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u.avatar AS avatar,
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c.actor_id AS community_actor_id,
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c.local AS community_local,
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c.name AS community_name
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FROM
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community_follower cf
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LEFT JOIN user_ u ON cf.user_id = u.id
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LEFT JOIN community c ON cf.community_id = c.id;
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CREATE VIEW community_user_ban_view AS
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SELECT
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cb.*,
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u.actor_id AS user_actor_id,
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u.local AS user_local,
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u.name AS user_name,
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u.avatar AS avatar,
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c.actor_id AS community_actor_id,
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c.local AS community_local,
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c.name AS community_name
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FROM
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community_user_ban cb
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LEFT JOIN user_ u ON cb.user_id = u.id
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LEFT JOIN community c ON cb.community_id = c.id;
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-- The community fast table
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CREATE TABLE community_aggregates_fast AS
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SELECT
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*
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FROM
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community_aggregates_view;
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ALTER TABLE community_aggregates_fast
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ADD PRIMARY KEY (id);
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CREATE VIEW community_fast_view AS
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SELECT
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ac.*,
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u.id AS user_id,
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(
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SELECT
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cf.id::boolean
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FROM
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community_follower cf
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WHERE
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u.id = cf.user_id
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AND ac.id = cf.community_id) AS subscribed
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FROM
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user_ u
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CROSS JOIN (
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SELECT
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ca.*
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FROM
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community_aggregates_fast ca) ac
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UNION ALL
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SELECT
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caf.*,
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NULL AS user_id,
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NULL AS subscribed
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FROM
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community_aggregates_fast caf;
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-- Private message
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CREATE VIEW private_message_view AS
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SELECT
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pm.*,
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u.name AS creator_name,
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u.avatar AS creator_avatar,
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u.actor_id AS creator_actor_id,
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u.local AS creator_local,
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u2.name AS recipient_name,
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u2.avatar AS recipient_avatar,
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u2.actor_id AS recipient_actor_id,
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u2.local AS recipient_local
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FROM
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private_message pm
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INNER JOIN user_ u ON u.id = pm.creator_id
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INNER JOIN user_ u2 ON u2.id = pm.recipient_id;
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-- Comments, mentions, replies
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CREATE VIEW comment_aggregates_view AS
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SELECT
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ct.*,
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-- post details
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p."name" AS post_name,
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p.community_id,
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-- community details
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c.actor_id AS community_actor_id,
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c."local" AS community_local,
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c."name" AS community_name,
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-- creator details
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u.banned AS banned,
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coalesce(cb.id, 0)::bool AS banned_from_community,
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u.actor_id AS creator_actor_id,
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u.local AS creator_local,
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u.name AS creator_name,
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u.published AS creator_published,
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u.avatar AS creator_avatar,
|
|
-- score details
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coalesce(cl.total, 0) AS score,
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coalesce(cl.up, 0) AS upvotes,
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coalesce(cl.down, 0) AS downvotes,
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hot_rank (coalesce(cl.total, 0), ct.published) AS hot_rank
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|
FROM
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comment ct
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LEFT JOIN post p ON ct.post_id = p.id
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|
LEFT JOIN community c ON p.community_id = c.id
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LEFT JOIN user_ u ON ct.creator_id = u.id
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LEFT JOIN community_user_ban cb ON ct.creator_id = cb.user_id
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AND p.id = ct.post_id
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|
AND p.community_id = cb.community_id
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LEFT JOIN (
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SELECT
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l.comment_id AS id,
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sum(l.score) AS total,
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count(
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CASE WHEN l.score = 1 THEN
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1
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|
ELSE
|
|
NULL
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|
END) AS up,
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count(
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CASE WHEN l.score = - 1 THEN
|
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1
|
|
ELSE
|
|
NULL
|
|
END) AS down
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|
FROM
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comment_like l
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|
GROUP BY
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comment_id) AS cl ON cl.id = ct.id;
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|
|
CREATE OR REPLACE VIEW comment_view AS (
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|
SELECT
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cav.*,
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us.user_id AS user_id,
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us.my_vote AS my_vote,
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us.is_subbed::bool AS subscribed,
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us.is_saved::bool AS saved
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FROM
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comment_aggregates_view cav
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CROSS JOIN LATERAL (
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SELECT
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u.id AS user_id,
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coalesce(cl.score, 0) AS my_vote,
|
|
coalesce(cf.id, 0) AS is_subbed,
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coalesce(cs.id, 0) AS is_saved
|
|
FROM
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user_ u
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LEFT JOIN comment_like cl ON u.id = cl.user_id
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AND cav.id = cl.comment_id
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LEFT JOIN comment_saved cs ON u.id = cs.user_id
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AND cs.comment_id = cav.id
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LEFT JOIN community_follower cf ON u.id = cf.user_id
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AND cav.community_id = cf.community_id) AS us
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|
UNION ALL
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|
SELECT
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cav.*,
|
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NULL AS user_id,
|
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NULL AS my_vote,
|
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NULL AS subscribed,
|
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NULL AS saved
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|
FROM
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comment_aggregates_view cav);
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|
|
CREATE TABLE comment_aggregates_fast AS
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|
SELECT
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*
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FROM
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comment_aggregates_view;
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ALTER TABLE comment_aggregates_fast
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ADD PRIMARY KEY (id);
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CREATE VIEW comment_fast_view AS
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SELECT
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cav.*,
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us.user_id AS user_id,
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us.my_vote AS my_vote,
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us.is_subbed::bool AS subscribed,
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us.is_saved::bool AS saved
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FROM
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comment_aggregates_fast cav
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CROSS JOIN LATERAL (
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SELECT
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u.id AS user_id,
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coalesce(cl.score, 0) AS my_vote,
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coalesce(cf.id, 0) AS is_subbed,
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coalesce(cs.id, 0) AS is_saved
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FROM
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user_ u
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LEFT JOIN comment_like cl ON u.id = cl.user_id
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AND cav.id = cl.comment_id
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LEFT JOIN comment_saved cs ON u.id = cs.user_id
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AND cs.comment_id = cav.id
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LEFT JOIN community_follower cf ON u.id = cf.user_id
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AND cav.community_id = cf.community_id) AS us
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UNION ALL
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SELECT
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cav.*,
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NULL AS user_id,
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NULL AS my_vote,
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NULL AS subscribed,
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NULL AS saved
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FROM
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comment_aggregates_fast cav;
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CREATE VIEW user_mention_view AS
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SELECT
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c.id,
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um.id AS user_mention_id,
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c.creator_id,
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c.creator_actor_id,
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c.creator_local,
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c.post_id,
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c.post_name,
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c.parent_id,
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c.content,
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c.removed,
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um.read,
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c.published,
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c.updated,
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c.deleted,
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c.community_id,
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c.community_actor_id,
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c.community_local,
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c.community_name,
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c.banned,
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c.banned_from_community,
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c.creator_name,
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c.creator_avatar,
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c.score,
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c.upvotes,
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c.downvotes,
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c.hot_rank,
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c.user_id,
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c.my_vote,
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c.saved,
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um.recipient_id,
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(
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SELECT
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actor_id
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FROM
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user_ u
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WHERE
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u.id = um.recipient_id) AS recipient_actor_id,
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(
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SELECT
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|
local
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FROM
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user_ u
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WHERE
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u.id = um.recipient_id) AS recipient_local
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FROM
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user_mention um,
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comment_view c
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WHERE
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um.comment_id = c.id;
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CREATE VIEW user_mention_fast_view AS
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SELECT
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ac.id,
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um.id AS user_mention_id,
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ac.creator_id,
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ac.creator_actor_id,
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ac.creator_local,
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ac.post_id,
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ac.post_name,
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ac.parent_id,
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ac.content,
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|
ac.removed,
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um.read,
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|
ac.published,
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|
ac.updated,
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|
ac.deleted,
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|
ac.community_id,
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ac.community_actor_id,
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ac.community_local,
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ac.community_name,
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|
ac.banned,
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ac.banned_from_community,
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ac.creator_name,
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|
ac.creator_avatar,
|
|
ac.score,
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|
ac.upvotes,
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|
ac.downvotes,
|
|
ac.hot_rank,
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|
u.id AS user_id,
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|
coalesce(cl.score, 0) AS my_vote,
|
|
(
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SELECT
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cs.id::bool
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|
FROM
|
|
comment_saved cs
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WHERE
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u.id = cs.user_id
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|
AND cs.comment_id = ac.id) AS saved,
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um.recipient_id,
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|
(
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|
SELECT
|
|
actor_id
|
|
FROM
|
|
user_ u
|
|
WHERE
|
|
u.id = um.recipient_id) AS recipient_actor_id,
|
|
(
|
|
SELECT
|
|
local
|
|
FROM
|
|
user_ u
|
|
WHERE
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|
u.id = um.recipient_id) AS recipient_local
|
|
FROM
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|
user_ u
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|
CROSS JOIN (
|
|
SELECT
|
|
ca.*
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|
FROM
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|
comment_aggregates_fast ca) ac
|
|
LEFT JOIN comment_like cl ON u.id = cl.user_id
|
|
AND ac.id = cl.comment_id
|
|
LEFT JOIN user_mention um ON um.comment_id = ac.id
|
|
UNION ALL
|
|
SELECT
|
|
ac.id,
|
|
um.id AS user_mention_id,
|
|
ac.creator_id,
|
|
ac.creator_actor_id,
|
|
ac.creator_local,
|
|
ac.post_id,
|
|
ac.post_name,
|
|
ac.parent_id,
|
|
ac.content,
|
|
ac.removed,
|
|
um.read,
|
|
ac.published,
|
|
ac.updated,
|
|
ac.deleted,
|
|
ac.community_id,
|
|
ac.community_actor_id,
|
|
ac.community_local,
|
|
ac.community_name,
|
|
ac.banned,
|
|
ac.banned_from_community,
|
|
ac.creator_name,
|
|
ac.creator_avatar,
|
|
ac.score,
|
|
ac.upvotes,
|
|
ac.downvotes,
|
|
ac.hot_rank,
|
|
NULL AS user_id,
|
|
NULL AS my_vote,
|
|
NULL AS saved,
|
|
um.recipient_id,
|
|
(
|
|
SELECT
|
|
actor_id
|
|
FROM
|
|
user_ u
|
|
WHERE
|
|
u.id = um.recipient_id) AS recipient_actor_id,
|
|
(
|
|
SELECT
|
|
local
|
|
FROM
|
|
user_ u
|
|
WHERE
|
|
u.id = um.recipient_id) AS recipient_local
|
|
FROM
|
|
comment_aggregates_fast ac
|
|
LEFT JOIN user_mention um ON um.comment_id = ac.id;
|
|
|
|
-- Do the reply_view referencing the comment_fast_view
|
|
CREATE VIEW reply_fast_view AS
|
|
with closereply AS (
|
|
SELECT
|
|
c2.id,
|
|
c2.creator_id AS sender_id,
|
|
c.creator_id AS recipient_id
|
|
FROM
|
|
comment c
|
|
INNER JOIN comment c2 ON c.id = c2.parent_id
|
|
WHERE
|
|
c2.creator_id != c.creator_id
|
|
-- Do union where post is null
|
|
UNION
|
|
SELECT
|
|
c.id,
|
|
c.creator_id AS sender_id,
|
|
p.creator_id AS recipient_id
|
|
FROM
|
|
comment c,
|
|
post p
|
|
WHERE
|
|
c.post_id = p.id
|
|
AND c.parent_id IS NULL
|
|
AND c.creator_id != p.creator_id
|
|
)
|
|
SELECT
|
|
cv.*,
|
|
closereply.recipient_id
|
|
FROM
|
|
comment_fast_view cv,
|
|
closereply
|
|
WHERE
|
|
closereply.id = cv.id;
|
|
|
|
-- redoing the triggers
|
|
CREATE OR REPLACE FUNCTION refresh_post ()
|
|
RETURNS TRIGGER
|
|
LANGUAGE plpgsql
|
|
AS $$
|
|
BEGIN
|
|
IF (TG_OP = 'DELETE') THEN
|
|
DELETE FROM post_aggregates_fast
|
|
WHERE id = OLD.id;
|
|
-- Update community number of posts
|
|
UPDATE
|
|
community_aggregates_fast
|
|
SET
|
|
number_of_posts = number_of_posts - 1
|
|
WHERE
|
|
id = OLD.community_id;
|
|
ELSIF (TG_OP = 'UPDATE') THEN
|
|
DELETE FROM post_aggregates_fast
|
|
WHERE id = OLD.id;
|
|
INSERT INTO post_aggregates_fast
|
|
SELECT
|
|
*
|
|
FROM
|
|
post_aggregates_view
|
|
WHERE
|
|
id = NEW.id;
|
|
ELSIF (TG_OP = 'INSERT') THEN
|
|
INSERT INTO post_aggregates_fast
|
|
SELECT
|
|
*
|
|
FROM
|
|
post_aggregates_view
|
|
WHERE
|
|
id = NEW.id;
|
|
-- Update that users number of posts, post score
|
|
DELETE FROM user_fast
|
|
WHERE id = NEW.creator_id;
|
|
INSERT INTO user_fast
|
|
SELECT
|
|
*
|
|
FROM
|
|
user_view
|
|
WHERE
|
|
id = NEW.creator_id;
|
|
-- Update community number of posts
|
|
UPDATE
|
|
community_aggregates_fast
|
|
SET
|
|
number_of_posts = number_of_posts + 1
|
|
WHERE
|
|
id = NEW.community_id;
|
|
-- Update the hot rank on the post table
|
|
-- TODO this might not correctly update it, using a 1 week interval
|
|
UPDATE
|
|
post_aggregates_fast AS paf
|
|
SET
|
|
hot_rank = pav.hot_rank
|
|
FROM
|
|
post_aggregates_view AS pav
|
|
WHERE
|
|
paf.id = pav.id
|
|
AND (pav.published > ('now'::timestamp - '1 week'::interval));
|
|
END IF;
|
|
RETURN NULL;
|
|
END
|
|
$$;
|
|
|
|
CREATE OR REPLACE FUNCTION refresh_comment ()
|
|
RETURNS TRIGGER
|
|
LANGUAGE plpgsql
|
|
AS $$
|
|
BEGIN
|
|
IF (TG_OP = 'DELETE') THEN
|
|
DELETE FROM comment_aggregates_fast
|
|
WHERE id = OLD.id;
|
|
-- Update community number of comments
|
|
UPDATE
|
|
community_aggregates_fast AS caf
|
|
SET
|
|
number_of_comments = number_of_comments - 1
|
|
FROM
|
|
post AS p
|
|
WHERE
|
|
caf.id = p.community_id
|
|
AND p.id = OLD.post_id;
|
|
ELSIF (TG_OP = 'UPDATE') THEN
|
|
DELETE FROM comment_aggregates_fast
|
|
WHERE id = OLD.id;
|
|
INSERT INTO comment_aggregates_fast
|
|
SELECT
|
|
*
|
|
FROM
|
|
comment_aggregates_view
|
|
WHERE
|
|
id = NEW.id;
|
|
ELSIF (TG_OP = 'INSERT') THEN
|
|
INSERT INTO comment_aggregates_fast
|
|
SELECT
|
|
*
|
|
FROM
|
|
comment_aggregates_view
|
|
WHERE
|
|
id = NEW.id;
|
|
-- Update user view due to comment count
|
|
UPDATE
|
|
user_fast
|
|
SET
|
|
number_of_comments = number_of_comments + 1
|
|
WHERE
|
|
id = NEW.creator_id;
|
|
-- Update post view due to comment count, new comment activity time, but only on new posts
|
|
-- TODO this could be done more efficiently
|
|
DELETE FROM post_aggregates_fast
|
|
WHERE id = NEW.post_id;
|
|
INSERT INTO post_aggregates_fast
|
|
SELECT
|
|
*
|
|
FROM
|
|
post_aggregates_view
|
|
WHERE
|
|
id = NEW.post_id;
|
|
-- Force the hot rank as zero on week-older posts
|
|
UPDATE
|
|
post_aggregates_fast AS paf
|
|
SET
|
|
hot_rank = 0
|
|
WHERE
|
|
paf.id = NEW.post_id
|
|
AND (paf.published < ('now'::timestamp - '1 week'::interval));
|
|
-- Update community number of comments
|
|
UPDATE
|
|
community_aggregates_fast AS caf
|
|
SET
|
|
number_of_comments = number_of_comments + 1
|
|
FROM
|
|
post AS p
|
|
WHERE
|
|
caf.id = p.community_id
|
|
AND p.id = NEW.post_id;
|
|
END IF;
|
|
RETURN NULL;
|
|
END
|
|
$$;
|
|
|