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be1389420b
* SQL format checking, 1. * SQL format checking, 2. * SQL format checking, 3. * SQL format checking, 4. * SQL format checking, 5. * Running pg_format * Getting rid of comment. * Upping pg_format version. * Using git ls-files for sql format check. * Fixing sql lints. * Addressing PR comments.
14 lines
963 B
PL/PgSQL
14 lines
963 B
PL/PgSQL
-- Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
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CREATE OR REPLACE FUNCTION hot_rank (score numeric, published timestamp without time zone)
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RETURNS integer
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AS $$
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BEGIN
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-- hours_diff:=EXTRACT(EPOCH FROM (timezone('utc',now()) - published))/3600
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RETURN floor(10000 * log(greatest (1, score + 3)) / power(((EXTRACT(EPOCH FROM (timezone('utc', now()) - published)) / 3600) + 2), 1.8))::integer;
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END;
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$$
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LANGUAGE plpgsql;
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DROP INDEX idx_post_aggregates_hot, idx_post_aggregates_stickied_hot, idx_post_aggregates_active, idx_post_aggregates_stickied_active, idx_post_aggregates_score, idx_post_aggregates_stickied_score, idx_post_aggregates_published, idx_post_aggregates_stickied_published, idx_comment_published, idx_comment_aggregates_hot, idx_comment_aggregates_score, idx_user_published, idx_user_aggregates_comment_score, idx_community_published, idx_community_aggregates_hot, idx_community_aggregates_subscribers;
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