discourse-solved/db/fixtures/001_badges.rb
Gerhard Schlager bbb3212258 PERF: Improve query for "Tech Support" badge
The old query could be extremely slow and resource intensive.
This also switches `granted_at` from `current_timestamp` to the date of the most recent accepted answer for each user.
2022-11-23 11:07:49 +01:00

71 lines
2.1 KiB
Ruby

# frozen_string_literal: true
return unless badge_grouping = BadgeGrouping.find_by(name: "Community")
helpdesk_query = <<-EOS
SELECT p.user_id, p.id post_id, p.updated_at granted_at
FROM badge_posts p
WHERE p.post_number > 1 AND
p.id IN (
SELECT post_id FROM (
SELECT pc.post_id, row_number()
OVER (PARTITION BY p1.user_id ORDER BY pc.created_at) as rnum
FROM post_custom_fields pc
JOIN badge_posts p1 ON p1.id = pc.post_id
JOIN topics t1 ON p1.topic_id = t1.id
WHERE name = 'is_accepted_answer' AND
p1.user_id <> t1.user_id AND
(
:backfill OR
p1.user_id IN (
select user_id from posts where p1.id IN (:post_ids)
)
)
) X WHERE rnum = 1)
EOS
Badge.seed(:name) do |badge|
badge.name = I18n.t("badges.helpdesk.name")
badge.icon = "check-square"
badge.badge_type_id = 3
badge.badge_grouping = badge_grouping
badge.description = I18n.t("badges.helpdesk.description")
badge.query = helpdesk_query
badge.listable = true
badge.target_posts = true
badge.enabled = false
badge.trigger = Badge::Trigger::PostRevision
badge.auto_revoke = true
badge.show_posts = true
badge.system = false
end
tech_support_query = <<-SQL
SELECT p.user_id, MAX(pcf.created_at) AS granted_at
FROM post_custom_fields pcf
JOIN badge_posts p ON pcf.post_id = p.id
JOIN topics t ON p.topic_id = t.id
WHERE pcf.name = 'is_accepted_answer'
AND p.user_id <> t.user_id -- ignore topics solved by OP
AND (:backfill OR p.id IN (:post_ids))
GROUP BY p.user_id
HAVING COUNT(*) >= 10
SQL
Badge.seed(:name) do |badge|
badge.name = I18n.t("badges.tech_support.name")
badge.icon = "check-square"
badge.badge_type_id = 2
badge.badge_grouping = badge_grouping
badge.description = I18n.t("badges.tech_support.description")
badge.query = tech_support_query
badge.listable = true
badge.allow_title = true
badge.target_posts = false
badge.enabled = false
badge.trigger = Badge::Trigger::PostRevision
badge.auto_revoke = true
badge.show_posts = false
badge.system = false
end