mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-11-30 08:11:20 +00:00
968 lines
20 KiB
PL/PgSQL
968 lines
20 KiB
PL/PgSQL
-- Dropping all the fast tables
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DROP TABLE user_fast;
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DROP VIEW post_fast_view;
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DROP TABLE post_aggregates_fast;
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DROP VIEW community_fast_view;
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DROP TABLE community_aggregates_fast;
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DROP VIEW reply_fast_view;
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DROP VIEW user_mention_fast_view;
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DROP VIEW comment_fast_view;
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DROP TABLE comment_aggregates_fast;
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-- Re-adding all the triggers, functions, and mviews
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-- private message
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CREATE MATERIALIZED VIEW private_message_mview AS
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SELECT
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*
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FROM
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private_message_view;
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CREATE UNIQUE INDEX idx_private_message_mview_id ON private_message_mview (id);
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-- Create the triggers
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CREATE OR REPLACE FUNCTION refresh_private_message ()
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RETURNS TRIGGER
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LANGUAGE plpgsql
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AS $$
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BEGIN
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REFRESH MATERIALIZED VIEW CONCURRENTLY private_message_mview;
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RETURN NULL;
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END
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$$;
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CREATE TRIGGER refresh_private_message
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AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON private_message
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FOR EACH statement
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EXECUTE PROCEDURE refresh_private_message ();
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-- user
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CREATE OR REPLACE FUNCTION refresh_user ()
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RETURNS TRIGGER
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LANGUAGE plpgsql
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AS $$
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BEGIN
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REFRESH MATERIALIZED VIEW CONCURRENTLY user_mview;
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REFRESH MATERIALIZED VIEW CONCURRENTLY comment_aggregates_mview;
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-- cause of bans
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REFRESH MATERIALIZED VIEW CONCURRENTLY post_aggregates_mview;
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RETURN NULL;
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END
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$$;
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DROP TRIGGER refresh_user ON user_;
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CREATE TRIGGER refresh_user
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AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON user_
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FOR EACH statement
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EXECUTE PROCEDURE refresh_user ();
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DROP VIEW user_view CASCADE;
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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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(
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SELECT
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count(*)
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FROM
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post p
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WHERE
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p.creator_id = u.id) AS number_of_posts,
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(
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SELECT
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coalesce(sum(score), 0)
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FROM
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post p,
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post_like pl
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WHERE
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u.id = p.creator_id
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AND p.id = pl.post_id) AS post_score,
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(
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SELECT
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count(*)
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FROM
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comment c
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WHERE
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c.creator_id = u.id) AS number_of_comments,
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(
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SELECT
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coalesce(sum(score), 0)
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FROM
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comment c,
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comment_like cl
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WHERE
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u.id = c.creator_id
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AND c.id = cl.comment_id) AS comment_score
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FROM
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user_ u;
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CREATE MATERIALIZED VIEW user_mview 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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CREATE UNIQUE INDEX idx_user_mview_id ON user_mview (id);
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-- community
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DROP TRIGGER refresh_community ON community;
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CREATE TRIGGER refresh_community
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AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON community
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FOR EACH statement
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EXECUTE PROCEDURE refresh_community ();
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CREATE OR REPLACE FUNCTION refresh_community ()
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RETURNS TRIGGER
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LANGUAGE plpgsql
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AS $$
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BEGIN
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REFRESH MATERIALIZED VIEW CONCURRENTLY post_aggregates_mview;
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REFRESH MATERIALIZED VIEW CONCURRENTLY community_aggregates_mview;
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REFRESH MATERIALIZED VIEW CONCURRENTLY user_mview;
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RETURN NULL;
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END
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$$;
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DROP VIEW community_aggregates_view CASCADE;
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CREATE VIEW community_aggregates_view AS
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-- Now that there's public and private keys, you have to be explicit here
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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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(
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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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c.creator_id = u.id) AS creator_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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c.creator_id = u.id) AS creator_local,
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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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c.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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c.creator_id = u.id) AS creator_avatar,
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(
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SELECT
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name
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FROM
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category ct
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WHERE
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c.category_id = ct.id) AS category_name,
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(
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SELECT
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count(*)
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FROM
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community_follower cf
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WHERE
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cf.community_id = c.id) AS number_of_subscribers,
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(
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SELECT
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count(*)
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FROM
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post p
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WHERE
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p.community_id = c.id) 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 co,
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post p
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WHERE
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c.id = p.community_id
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AND p.id = co.post_id) AS number_of_comments,
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hot_rank ((
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SELECT
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count(*)
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FROM community_follower cf
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WHERE
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cf.community_id = c.id), c.published) AS hot_rank
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FROM
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community c;
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CREATE MATERIALIZED VIEW community_aggregates_mview 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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CREATE UNIQUE INDEX idx_community_aggregates_mview_id ON community_aggregates_mview (id);
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CREATE VIEW community_view AS
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with all_community AS (
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SELECT
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ca.*
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FROM
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community_aggregates_view ca
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)
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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 all_community ac
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UNION ALL
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SELECT
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ac.*,
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NULL AS user_id,
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NULL AS subscribed
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FROM
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all_community ac;
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CREATE VIEW community_mview AS
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with all_community AS (
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SELECT
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ca.*
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FROM
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community_aggregates_mview ca
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)
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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 all_community ac
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UNION ALL
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SELECT
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ac.*,
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NULL AS user_id,
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NULL AS subscribed
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FROM
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all_community ac;
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-- Post
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DROP VIEW post_view;
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DROP VIEW post_aggregates_view;
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-- regen post view
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CREATE VIEW post_aggregates_view AS
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SELECT
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p.*,
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(
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SELECT
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u.banned
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FROM
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user_ u
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WHERE
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p.creator_id = u.id) AS banned,
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(
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SELECT
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cb.id::bool
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FROM
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community_user_ban cb
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WHERE
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p.creator_id = cb.user_id
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AND p.community_id = cb.community_id) AS banned_from_community,
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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_
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WHERE
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p.creator_id = user_.id) AS creator_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_
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WHERE
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p.creator_id = user_.id) AS creator_local,
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(
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SELECT
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name
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FROM
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user_
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WHERE
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p.creator_id = user_.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_
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WHERE
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p.creator_id = user_.id) AS creator_avatar,
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(
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SELECT
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actor_id
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FROM
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community
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WHERE
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p.community_id = community.id) AS community_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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community
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WHERE
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p.community_id = community.id) AS community_local,
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(
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SELECT
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name
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FROM
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community
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WHERE
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p.community_id = community.id) AS community_name,
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(
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SELECT
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removed
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FROM
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community c
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WHERE
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p.community_id = c.id) AS community_removed,
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(
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SELECT
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deleted
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FROM
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community c
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WHERE
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p.community_id = c.id) AS community_deleted,
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(
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SELECT
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nsfw
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FROM
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community c
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WHERE
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p.community_id = c.id) AS community_nsfw,
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(
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SELECT
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count(*)
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FROM
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comment
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WHERE
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comment.post_id = p.id) AS number_of_comments,
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coalesce(sum(pl.score), 0) AS score,
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count(
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CASE WHEN pl.score = 1 THEN
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1
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ELSE
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NULL
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END) AS upvotes,
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count(
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CASE WHEN pl.score = - 1 THEN
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1
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ELSE
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NULL
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END) AS downvotes,
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hot_rank (coalesce(sum(pl.score), 0), (
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CASE WHEN (p.published < ('now'::timestamp - '1 month'::interval)) THEN
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p.published -- Prevents necro-bumps
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ELSE
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greatest (c.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 -- Prevents necro-bumps
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ELSE
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greatest (c.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 post_like pl ON p.id = pl.post_id
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LEFT JOIN (
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SELECT
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post_id,
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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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1) c ON p.id = c.post_id
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GROUP BY
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p.id,
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c.recent_comment_time;
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|
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CREATE MATERIALIZED VIEW post_aggregates_mview 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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CREATE UNIQUE INDEX idx_post_aggregates_mview_id ON post_aggregates_mview (id);
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|
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CREATE VIEW post_view AS
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with all_post AS (
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SELECT
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pa.*
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FROM
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post_aggregates_view pa
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)
|
|
SELECT
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ap.*,
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u.id AS user_id,
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coalesce(pl.score, 0) AS my_vote,
|
|
(
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|
SELECT
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cf.id::bool
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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 cf.community_id = ap.community_id) AS subscribed,
|
|
(
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|
SELECT
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pr.id::bool
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|
FROM
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|
post_read pr
|
|
WHERE
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|
u.id = pr.user_id
|
|
AND pr.post_id = ap.id) AS read,
|
|
(
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|
SELECT
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ps.id::bool
|
|
FROM
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|
post_saved ps
|
|
WHERE
|
|
u.id = ps.user_id
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AND ps.post_id = ap.id) AS saved
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|
FROM
|
|
user_ u
|
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CROSS JOIN all_post ap
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|
LEFT JOIN post_like pl ON u.id = pl.user_id
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AND ap.id = pl.post_id
|
|
UNION ALL
|
|
SELECT
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|
ap.*,
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NULL AS user_id,
|
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NULL AS my_vote,
|
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NULL AS subscribed,
|
|
NULL AS read,
|
|
NULL AS saved
|
|
FROM
|
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all_post ap;
|
|
|
|
CREATE VIEW post_mview AS
|
|
with all_post AS (
|
|
SELECT
|
|
pa.*
|
|
FROM
|
|
post_aggregates_mview pa
|
|
)
|
|
SELECT
|
|
ap.*,
|
|
u.id AS user_id,
|
|
coalesce(pl.score, 0) AS my_vote,
|
|
(
|
|
SELECT
|
|
cf.id::bool
|
|
FROM
|
|
community_follower cf
|
|
WHERE
|
|
u.id = cf.user_id
|
|
AND cf.community_id = ap.community_id) AS subscribed,
|
|
(
|
|
SELECT
|
|
pr.id::bool
|
|
FROM
|
|
post_read pr
|
|
WHERE
|
|
u.id = pr.user_id
|
|
AND pr.post_id = ap.id) AS read,
|
|
(
|
|
SELECT
|
|
ps.id::bool
|
|
FROM
|
|
post_saved ps
|
|
WHERE
|
|
u.id = ps.user_id
|
|
AND ps.post_id = ap.id) AS saved
|
|
FROM
|
|
user_ u
|
|
CROSS JOIN all_post ap
|
|
LEFT JOIN post_like pl ON u.id = pl.user_id
|
|
AND ap.id = pl.post_id
|
|
UNION ALL
|
|
SELECT
|
|
ap.*,
|
|
NULL AS user_id,
|
|
NULL AS my_vote,
|
|
NULL AS subscribed,
|
|
NULL AS read,
|
|
NULL AS saved
|
|
FROM
|
|
all_post ap;
|
|
|
|
DROP TRIGGER refresh_post ON post;
|
|
|
|
CREATE TRIGGER refresh_post
|
|
AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON post
|
|
FOR EACH statement
|
|
EXECUTE PROCEDURE refresh_post ();
|
|
|
|
CREATE OR REPLACE FUNCTION refresh_post ()
|
|
RETURNS TRIGGER
|
|
LANGUAGE plpgsql
|
|
AS $$
|
|
BEGIN
|
|
REFRESH MATERIALIZED VIEW CONCURRENTLY post_aggregates_mview;
|
|
REFRESH MATERIALIZED VIEW CONCURRENTLY user_mview;
|
|
RETURN NULL;
|
|
END
|
|
$$;
|
|
|
|
-- User mention, comment, reply
|
|
DROP VIEW user_mention_view;
|
|
|
|
DROP VIEW comment_view;
|
|
|
|
DROP VIEW comment_aggregates_view;
|
|
|
|
-- reply and comment view
|
|
CREATE VIEW comment_aggregates_view AS
|
|
SELECT
|
|
c.*,
|
|
(
|
|
SELECT
|
|
community_id
|
|
FROM
|
|
post p
|
|
WHERE
|
|
p.id = c.post_id), (
|
|
SELECT
|
|
co.actor_id
|
|
FROM
|
|
post p,
|
|
community co
|
|
WHERE
|
|
p.id = c.post_id
|
|
AND p.community_id = co.id) AS community_actor_id,
|
|
(
|
|
SELECT
|
|
co.local
|
|
FROM
|
|
post p,
|
|
community co
|
|
WHERE
|
|
p.id = c.post_id
|
|
AND p.community_id = co.id) AS community_local,
|
|
(
|
|
SELECT
|
|
co.name
|
|
FROM
|
|
post p,
|
|
community co
|
|
WHERE
|
|
p.id = c.post_id
|
|
AND p.community_id = co.id) AS community_name,
|
|
(
|
|
SELECT
|
|
u.banned
|
|
FROM
|
|
user_ u
|
|
WHERE
|
|
c.creator_id = u.id) AS banned,
|
|
(
|
|
SELECT
|
|
cb.id::bool
|
|
FROM
|
|
community_user_ban cb,
|
|
post p
|
|
WHERE
|
|
c.creator_id = cb.user_id
|
|
AND p.id = c.post_id
|
|
AND p.community_id = cb.community_id) AS banned_from_community,
|
|
(
|
|
SELECT
|
|
actor_id
|
|
FROM
|
|
user_
|
|
WHERE
|
|
c.creator_id = user_.id) AS creator_actor_id,
|
|
(
|
|
SELECT
|
|
local
|
|
FROM
|
|
user_
|
|
WHERE
|
|
c.creator_id = user_.id) AS creator_local,
|
|
(
|
|
SELECT
|
|
name
|
|
FROM
|
|
user_
|
|
WHERE
|
|
c.creator_id = user_.id) AS creator_name,
|
|
(
|
|
SELECT
|
|
avatar
|
|
FROM
|
|
user_
|
|
WHERE
|
|
c.creator_id = user_.id) AS creator_avatar,
|
|
coalesce(sum(cl.score), 0) AS score,
|
|
count(
|
|
CASE WHEN cl.score = 1 THEN
|
|
1
|
|
ELSE
|
|
NULL
|
|
END) AS upvotes,
|
|
count(
|
|
CASE WHEN cl.score = - 1 THEN
|
|
1
|
|
ELSE
|
|
NULL
|
|
END) AS downvotes,
|
|
hot_rank (coalesce(sum(cl.score), 0), c.published) AS hot_rank
|
|
FROM
|
|
comment c
|
|
LEFT JOIN comment_like cl ON c.id = cl.comment_id
|
|
GROUP BY
|
|
c.id;
|
|
|
|
CREATE MATERIALIZED VIEW comment_aggregates_mview AS
|
|
SELECT
|
|
*
|
|
FROM
|
|
comment_aggregates_view;
|
|
|
|
CREATE UNIQUE INDEX idx_comment_aggregates_mview_id ON comment_aggregates_mview (id);
|
|
|
|
CREATE VIEW comment_view AS
|
|
with all_comment AS (
|
|
SELECT
|
|
ca.*
|
|
FROM
|
|
comment_aggregates_view ca
|
|
)
|
|
SELECT
|
|
ac.*,
|
|
u.id AS user_id,
|
|
coalesce(cl.score, 0) AS my_vote,
|
|
(
|
|
SELECT
|
|
cf.id::boolean
|
|
FROM
|
|
community_follower cf
|
|
WHERE
|
|
u.id = cf.user_id
|
|
AND ac.community_id = cf.community_id) AS subscribed,
|
|
(
|
|
SELECT
|
|
cs.id::bool
|
|
FROM
|
|
comment_saved cs
|
|
WHERE
|
|
u.id = cs.user_id
|
|
AND cs.comment_id = ac.id) AS saved
|
|
FROM
|
|
user_ u
|
|
CROSS JOIN all_comment ac
|
|
LEFT JOIN comment_like cl ON u.id = cl.user_id
|
|
AND ac.id = cl.comment_id
|
|
UNION ALL
|
|
SELECT
|
|
ac.*,
|
|
NULL AS user_id,
|
|
NULL AS my_vote,
|
|
NULL AS subscribed,
|
|
NULL AS saved
|
|
FROM
|
|
all_comment ac;
|
|
|
|
CREATE VIEW comment_mview AS
|
|
with all_comment AS (
|
|
SELECT
|
|
ca.*
|
|
FROM
|
|
comment_aggregates_mview ca
|
|
)
|
|
SELECT
|
|
ac.*,
|
|
u.id AS user_id,
|
|
coalesce(cl.score, 0) AS my_vote,
|
|
(
|
|
SELECT
|
|
cf.id::boolean
|
|
FROM
|
|
community_follower cf
|
|
WHERE
|
|
u.id = cf.user_id
|
|
AND ac.community_id = cf.community_id) AS subscribed,
|
|
(
|
|
SELECT
|
|
cs.id::bool
|
|
FROM
|
|
comment_saved cs
|
|
WHERE
|
|
u.id = cs.user_id
|
|
AND cs.comment_id = ac.id) AS saved
|
|
FROM
|
|
user_ u
|
|
CROSS JOIN all_comment ac
|
|
LEFT JOIN comment_like cl ON u.id = cl.user_id
|
|
AND ac.id = cl.comment_id
|
|
UNION ALL
|
|
SELECT
|
|
ac.*,
|
|
NULL AS user_id,
|
|
NULL AS my_vote,
|
|
NULL AS subscribed,
|
|
NULL AS saved
|
|
FROM
|
|
all_comment ac;
|
|
|
|
-- Do the reply_view referencing the comment_mview
|
|
CREATE VIEW reply_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_mview cv,
|
|
closereply
|
|
WHERE
|
|
closereply.id = cv.id;
|
|
|
|
-- user mention
|
|
CREATE VIEW user_mention_view AS
|
|
SELECT
|
|
c.id,
|
|
um.id AS user_mention_id,
|
|
c.creator_id,
|
|
c.creator_actor_id,
|
|
c.creator_local,
|
|
c.post_id,
|
|
c.parent_id,
|
|
c.content,
|
|
c.removed,
|
|
um.read,
|
|
c.published,
|
|
c.updated,
|
|
c.deleted,
|
|
c.community_id,
|
|
c.community_actor_id,
|
|
c.community_local,
|
|
c.community_name,
|
|
c.banned,
|
|
c.banned_from_community,
|
|
c.creator_name,
|
|
c.creator_avatar,
|
|
c.score,
|
|
c.upvotes,
|
|
c.downvotes,
|
|
c.hot_rank,
|
|
c.user_id,
|
|
c.my_vote,
|
|
c.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
|
|
user_mention um,
|
|
comment_view c
|
|
WHERE
|
|
um.comment_id = c.id;
|
|
|
|
CREATE VIEW user_mention_mview AS
|
|
with all_comment AS (
|
|
SELECT
|
|
ca.*
|
|
FROM
|
|
comment_aggregates_mview ca
|
|
)
|
|
SELECT
|
|
ac.id,
|
|
um.id AS user_mention_id,
|
|
ac.creator_id,
|
|
ac.creator_actor_id,
|
|
ac.creator_local,
|
|
ac.post_id,
|
|
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,
|
|
u.id AS user_id,
|
|
coalesce(cl.score, 0) AS my_vote,
|
|
(
|
|
SELECT
|
|
cs.id::bool
|
|
FROM
|
|
comment_saved cs
|
|
WHERE
|
|
u.id = cs.user_id
|
|
AND cs.comment_id = ac.id) 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
|
|
user_ u
|
|
CROSS JOIN all_comment 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.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
|
|
all_comment ac
|
|
LEFT JOIN user_mention um ON um.comment_id = ac.id;
|
|
|