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https://github.com/LemmyNet/lemmy.git
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c890797b37
* Added controversy rank property to posts and comments, and ability to sort by it * Triggers instead of schedules tasks, integer -> double, TODO: comments don't seem to get updated with floats, divide SortTypes * Created PersonSortType * PersonSortType::MostComments case * Removed unused PartialOrd trait * Added new person sort type mappings * SortType -> PersonSortType * fixes * cargo fmt * fixes after merge with main * Fixed bug in controversy rank trigger, removed TopX sorts from PersonSortType and added CommentScore instead * Uncovered enum case * clippy * reset translation changes * translations * translations * Added additional hot ordering on controversial posts and comments * featured local and featured community added to controversy rank index, additional order_by removed (?), added post_score and post_count to PersonSortType * Woodpecker rerun * cargo fmt * woodpecker rerun * fixed controversy_rank order * fix * Readded migration as latest, removed second update statement for setting controversy rank
64 lines
2.2 KiB
PL/PgSQL
64 lines
2.2 KiB
PL/PgSQL
-- Update comment_aggregates_score trigger function to exclude controversy_rank update
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create or replace function comment_aggregates_score()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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update comment_aggregates ca
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set score = score + NEW.score,
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upvotes = case when NEW.score = 1 then upvotes + 1 else upvotes end,
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downvotes = case when NEW.score = -1 then downvotes + 1 else downvotes end
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where ca.comment_id = NEW.comment_id;
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ELSIF (TG_OP = 'DELETE') THEN
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-- Join to comment because that comment may not exist anymore
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update comment_aggregates ca
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set score = score - OLD.score,
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upvotes = case when OLD.score = 1 then upvotes - 1 else upvotes end,
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downvotes = case when OLD.score = -1 then downvotes - 1 else downvotes end
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from comment c
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where ca.comment_id = c.id
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and ca.comment_id = OLD.comment_id;
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END IF;
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return null;
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end $$;
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-- Update post_aggregates_score trigger function to exclude controversy_rank update
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create or replace function post_aggregates_score()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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update post_aggregates pa
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set score = score + NEW.score,
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upvotes = case when NEW.score = 1 then upvotes + 1 else upvotes end,
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downvotes = case when NEW.score = -1 then downvotes + 1 else downvotes end
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where pa.post_id = NEW.post_id;
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ELSIF (TG_OP = 'DELETE') THEN
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-- Join to post because that post may not exist anymore
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update post_aggregates pa
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set score = score - OLD.score,
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upvotes = case when OLD.score = 1 then upvotes - 1 else upvotes end,
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downvotes = case when OLD.score = -1 then downvotes - 1 else downvotes end
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from post p
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where pa.post_id = p.id
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and pa.post_id = OLD.post_id;
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END IF;
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return null;
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end $$;
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-- Drop the indexes
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drop index if exists idx_post_aggregates_featured_local_controversy;
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drop index if exists idx_post_aggregates_featured_community_controversy;
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drop index if exists idx_comment_aggregates_controversy;
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-- Remove the added columns from the tables
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alter table post_aggregates drop column controversy_rank;
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alter table comment_aggregates drop column controversy_rank;
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-- Remove function
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drop function controversy_rank(numeric, numeric);
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