mirror of
https://github.com/LemmyNet/lemmy
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91 lines
2.9 KiB
PL/PgSQL
Vendored
91 lines
2.9 KiB
PL/PgSQL
Vendored
-- Creating private message
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create table private_message (
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id serial primary key,
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creator_id int references user_ on update cascade on delete cascade not null,
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recipient_id int references user_ on update cascade on delete cascade not null,
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content text not null,
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deleted boolean default false not null,
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read boolean default false not null,
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published timestamp not null default now(),
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updated timestamp
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);
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-- Create the view and materialized view which has the avatar and creator name
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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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u2.name as recipient_name,
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u2.avatar as recipient_avatar
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from 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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create materialized view private_message_mview as select * from 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 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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create trigger refresh_private_message
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after insert or update or delete or truncate
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on private_message
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for each statement
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execute procedure refresh_private_message();
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-- Update user to include matrix id
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alter table user_ add column matrix_user_id text unique;
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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.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.fedi_name,
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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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(select count(*) from post p where p.creator_id = u.id) as number_of_posts,
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(select coalesce(sum(score), 0) from post p, post_like pl where u.id = p.creator_id and p.id = pl.post_id) as post_score,
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(select count(*) from comment c where c.creator_id = u.id) as number_of_comments,
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(select coalesce(sum(score), 0) from comment c, comment_like cl where u.id = c.creator_id and c.id = cl.comment_id) as comment_score
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from user_ u;
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create materialized view user_mview as select * from user_view;
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create unique index idx_user_mview_id on user_mview (id);
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-- This is what a group pm table would look like
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-- Not going to do it now because of the complications
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--
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-- create table private_message (
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-- id serial primary key,
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-- creator_id int references user_ on update cascade on delete cascade not null,
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-- content text not null,
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-- deleted boolean default false not null,
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-- published timestamp not null default now(),
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-- updated timestamp
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-- );
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--
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-- create table private_message_recipient (
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-- id serial primary key,
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-- private_message_id int references private_message on update cascade on delete cascade not null,
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-- recipient_id int references user_ on update cascade on delete cascade not null,
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-- read boolean default false not null,
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-- published timestamp not null default now(),
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-- unique(private_message_id, recipient_id)
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-- )
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