mirror of https://github.com/LemmyNet/lemmy.git
31 lines
675 B
MySQL
31 lines
675 B
MySQL
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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 name from user_ where c.creator_id = user_.id) 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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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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from all_comment ac
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;
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