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add bayes average

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nochill 2023-09-17 16:30:37 +07:00
parent 93bd5fb3e9
commit 8861de969a
1 changed files with 24 additions and 0 deletions
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24
db/queries/locations.sql
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@ -18,6 +18,30 @@ ORDER BY l.created_at ASC
LIMIT $1;
-- https://fulmicoton.com/posts/bayesian_rating/
-- SELECT
-- *,
-- (SELECT 5 * 4 + coalesce(critic_score, 0) * coalesce(critic_count, 0) / 5 + coalesce(critic_count, 0)) as critic_bayes,
-- (SELECT 50 + coalesce(user_score, 0) * coalesce(user_count, 0) / 50 + coalesce(user_count, 0)) as user_bayes,
-- ((SELECT 50 + coalesce(user_score, 0) * coalesce(user_count, 0) / 50 + coalesce(user_count, 0)) + (SELECT 5 * 4 + coalesce(critic_score, 0) * coalesce(critic_count, 0) / 5 + coalesce(critic_count, 0)) ) / 2 as avg_bayes
-- FROM (
-- SELECT
-- l.id,
-- name,
-- thumbnail,
-- re.regency_name,
-- (SELECT SUM(score) from reviews re where re.is_from_critic = true and re.location_id = l.id) as critic_score,
-- (SELECT COUNT(id) from reviews re where re.is_from_critic = true and re.location_id = l.id) as critic_count,
-- (SELECT SUM(score) from reviews re where re.is_from_critic = false and re.location_id = l.id) as user_score,
-- (SELECT COUNT(id) from reviews re where re.is_from_critic = false and re.location_id = l.id) as user_count
-- FROM locations l
-- JOIN regencies re on re.id = l.regency_id
-- WHERE approved_by IS NOT NULL) iq1
-- ORDER BY avg_bayes DESC
-- LIMIT $1
-- OFFSET $2;
-- name: GetLocation :one
SELECT * FROM locations
WHERE id = $1;