mirror of
https://github.com/LemmyNet/lemmy.git
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142 lines
4.1 KiB
MySQL
142 lines
4.1 KiB
MySQL
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alter table community add column deleted boolean default false not null;
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alter table post add column deleted boolean default false not null;
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alter table comment add column deleted boolean default false not null;
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-- The views
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drop view community_view;
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create view community_view as
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with all_community as
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(
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select *,
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(select name from user_ u where c.creator_id = u.id) as creator_name,
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(select name from category ct where c.category_id = ct.id) as category_name,
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(select count(*) from community_follower cf where cf.community_id = c.id) as number_of_subscribers,
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(select count(*) from post p where p.community_id = c.id) as number_of_posts,
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(select count(*) from comment co, post p where c.id = p.community_id and p.id = co.post_id) as number_of_comments
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from community c
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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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(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.id = cf.community_id) as subscribed
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from 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 all_community ac
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;
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drop view post_view;
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create view post_view as
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with all_post as
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(
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select
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p.*,
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(select name from user_ where p.creator_id = user_.id) as creator_name,
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(select name from community where p.community_id = community.id) as community_name,
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(select removed from community c where p.community_id = c.id) as community_removed,
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(select deleted from community c where p.community_id = c.id) as community_deleted,
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(select count(*) from comment where 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 (case when pl.score = 1 then 1 else null end) as upvotes,
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count (case when pl.score = -1 then 1 else null end) as downvotes,
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hot_rank(coalesce(sum(pl.score) , 0), p.published) as hot_rank
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from post p
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left join post_like pl on p.id = pl.post_id
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group by p.id
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)
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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 cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
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(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
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(select ps.id::bool from post_saved ps where u.id = ps.user_id 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 and ap.id = pl.post_id
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union all
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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,
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null as read,
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null as saved
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from all_post ap
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;
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drop view reply_view;
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drop view comment_view;
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create view comment_view as
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with all_comment as
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(
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select
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c.*,
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(select community_id from post p where p.id = c.post_id),
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(select u.banned from user_ u where c.creator_id = u.id) as banned,
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(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,
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(select name from user_ where c.creator_id = user_.id) as creator_name,
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coalesce(sum(cl.score), 0) as score,
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count (case when cl.score = 1 then 1 else null end) as upvotes,
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count (case when cl.score = -1 then 1 else null end) as downvotes
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from comment c
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left join comment_like cl on c.id = cl.comment_id
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group by c.id
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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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coalesce(cl.score, 0) as my_vote,
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(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved
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from user_ u
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cross join all_comment ac
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left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
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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 my_vote,
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null as saved
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from all_comment ac
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;
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create view reply_view as
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with closereply as (
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select
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c2.id,
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c2.creator_id as sender_id,
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c.creator_id as recipient_id
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from comment c
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inner join comment c2 on c.id = c2.parent_id
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where c2.creator_id != c.creator_id
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-- Do union where post is null
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union
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select
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c.id,
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c.creator_id as sender_id,
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p.creator_id as recipient_id
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from comment c, post p
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where c.post_id = p.id and c.parent_id is null and c.creator_id != p.creator_id
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)
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select cv.*,
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closereply.recipient_id
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from comment_view cv, closereply
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where closereply.id = cv.id
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;
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