mirror of https://github.com/LemmyNet/lemmy.git
68 lines
2.1 KiB
MySQL
68 lines
2.1 KiB
MySQL
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-- Deleting after removing should not decrement the count twice.
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create or replace function was_removed_or_deleted(TG_OP text, OLD record, NEW record)
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RETURNS boolean
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LANGUAGE plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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return false;
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end if;
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IF (TG_OP = 'DELETE' AND OLD.deleted = 'f' AND OLD.removed = 'f') THEN
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return true;
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end if;
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return TG_OP = 'UPDATE' AND (
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(OLD.deleted = 'f' AND NEW.deleted = 't') OR
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(OLD.removed = 'f' AND NEW.removed = 't')
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);
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END $$;
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-- Recalculate proper comment count.
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UPDATE person_aggregates
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SET comment_count = cnt.count
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FROM (
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SELECT creator_id, count(*) AS count FROM comment
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WHERE deleted='f' AND removed='f'
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GROUP BY creator_id
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) cnt
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WHERE person_aggregates.person_id = cnt.creator_id;
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-- Recalculate proper comment score.
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UPDATE person_aggregates ua
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SET comment_score = cd.score
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FROM (
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SELECT u.id AS creator_id,
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coalesce(0, sum(cl.score)) as score
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-- User join because comments could be empty
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FROM person u
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LEFT JOIN comment c ON u.id = c.creator_id AND c.deleted = 'f' AND c.removed = 'f'
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LEFT JOIN comment_like cl ON c.id = cl.comment_id
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GROUP BY u.id
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) cd
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WHERE ua.person_id = cd.creator_id;
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-- Recalculate proper post count.
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UPDATE person_aggregates
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SET post_count = cnt.count
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FROM (
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SELECT creator_id, count(*) AS count FROM post
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WHERE deleted='f' AND removed='f'
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GROUP BY creator_id
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) cnt
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WHERE person_aggregates.person_id = cnt.creator_id;
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-- Recalculate proper post score.
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UPDATE person_aggregates ua
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SET post_score = pd.score
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FROM (
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SELECT u.id AS creator_id,
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coalesce(0, sum(pl.score)) AS score
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-- User join because posts could be empty
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FROM person u
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LEFT JOIN post p ON u.id = p.creator_id AND p.deleted = 'f' AND p.removed = 'f'
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LEFT JOIN post_like pl ON p.id = pl.post_id
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GROUP BY u.id
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) pd
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WHERE ua.person_id = pd.creator_id;
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