mirror of https://github.com/LemmyNet/lemmy.git
388 lines
10 KiB
SQL
388 lines
10 KiB
SQL
drop view user_mention_view;
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drop view reply_fast_view;
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drop view comment_fast_view;
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drop view comment_view;
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drop view user_mention_fast_view;
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drop table comment_aggregates_fast;
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drop view comment_aggregates_view;
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create view comment_aggregates_view as
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select
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ct.*,
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-- community details
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p.community_id,
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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.avatar as creator_avatar,
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-- 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 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 and p.id = ct.post_id 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(case when l.score = 1 then 1 else null end) as up,
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count(case when l.score = -1 then 1 else null end) as down
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from comment_like l
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group by comment_id
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) 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 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,
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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 user_ u
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left join comment_like cl on u.id = cl.user_id and cav.id = cl.comment_id
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left join comment_saved cs on u.id = cs.user_id and cs.comment_id = cav.id
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left join community_follower cf on u.id = cf.user_id and cav.community_id = cf.community_id
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) 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 comment_aggregates_view cav
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);
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create table comment_aggregates_fast as select * from comment_aggregates_view;
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alter table comment_aggregates_fast 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 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 user_ u
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left join comment_like cl on u.id = cl.user_id and cav.id = cl.comment_id
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left join comment_saved cs on u.id = cs.user_id and cs.comment_id = cav.id
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left join community_follower cf on u.id = cf.user_id and cav.community_id = cf.community_id
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) 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 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.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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(select actor_id from user_ u where u.id = um.recipient_id) as recipient_actor_id,
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(select local from user_ u where u.id = um.recipient_id) as recipient_local
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from user_mention um, comment_view c
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where 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.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,
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ac.score,
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ac.upvotes,
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ac.downvotes,
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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 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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um.recipient_id,
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(select actor_id from user_ u where u.id = um.recipient_id) as recipient_actor_id,
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(select local from user_ u where u.id = um.recipient_id) as recipient_local
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from user_ u
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cross join (
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select
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ca.*
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from comment_aggregates_fast ca
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) 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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left join user_mention um on um.comment_id = ac.id
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union all
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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.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,
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ac.score,
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ac.upvotes,
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ac.downvotes,
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ac.hot_rank,
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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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um.recipient_id,
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(select actor_id from user_ u where u.id = um.recipient_id) as recipient_actor_id,
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(select local from user_ u where u.id = um.recipient_id) as recipient_local
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from comment_aggregates_fast ac
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left join user_mention um on um.comment_id = ac.id
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;
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-- Do the reply_view referencing the comment_fast_view
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create view reply_fast_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_fast_view cv, closereply
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where closereply.id = cv.id
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;
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-- add creator_published to the post view
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drop view post_fast_view;
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drop table post_aggregates_fast;
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drop view post_view;
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drop view post_aggregates_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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-- 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.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(
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coalesce(pl.score , 0), (
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case
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when (p.published < ('now'::timestamp - '1 month'::interval))
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then p.published
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else greatest(ct.recent_comment_time, p.published)
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end
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)
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) as hot_rank,
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(
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case
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when (p.published < ('now'::timestamp - '1 month'::interval))
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then p.published
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else greatest(ct.recent_comment_time, p.published)
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end
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) as newest_activity_time
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from 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 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 comment
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group by post_id
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) 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 post_like
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group by post_id
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) pl on pl.post_id = p.id
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order by 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 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 user_ u
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left join community_user_ban cb on u.id = cb.user_id and cb.community_id = pav.community_id
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left join community_follower cf on u.id = cf.user_id and cf.community_id = pav.community_id
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left join post_read pr on u.id = pr.user_id and pr.post_id = pav.id
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left join post_saved ps on u.id = ps.user_id and ps.post_id = pav.id
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left join post_like pl on u.id = pl.user_id and pav.id = pl.post_id
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) 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 post_aggregates_view pav;
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create table post_aggregates_fast as select * from post_aggregates_view;
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alter table post_aggregates_fast 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 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 user_ u
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left join community_user_ban cb on u.id = cb.user_id and cb.community_id = pav.community_id
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left join community_follower cf on u.id = cf.user_id and cf.community_id = pav.community_id
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left join post_read pr on u.id = pr.user_id and pr.post_id = pav.id
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left join post_saved ps on u.id = ps.user_id and ps.post_id = pav.id
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left join post_like pl on u.id = pl.user_id and pav.id = pl.post_id
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) 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 post_aggregates_fast pav; |