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Code Packages Activity Actions 7

PERF: correctly index event dates (#34877)

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Joffrey JAFFEUX 2025-09-19 17:41:57 +02:00 • committed by GitHub
parent 587a180a66
commit f6e71b463c
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3 changed files with 14 additions and 1 deletions
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1
plugins/discourse-calendar/app/models/discourse_post_event/event_date.rb
View file

@ -69,6 +69,7 @@ end
# Indexes
#
# idx_discourse_calendar_post_event_dates_event_id_starts_at_uniq (event_id,starts_at) UNIQUE
# index_discourse_calendar_post_event_dates_on_event_id_and_dates (event_id,finished_at DESC,starts_at DESC)
# index_discourse_calendar_post_event_dates_on_event_id (event_id)
# index_discourse_calendar_post_event_dates_on_finished_at (finished_at)
#

13
plugins/discourse-calendar/db/migrate/20250919094856_add_distinct_on_optimization_index_to_event_dates.rb Normal file
View file

@ -0,0 +1,13 @@
# frozen_string_literal: true

class AddDistinctOnOptimizationIndexToEventDates < ActiveRecord::Migration[8.0]
def change
add_index :discourse_calendar_post_event_dates,
%i[event_id finished_at starts_at],
name: "index_discourse_calendar_post_event_dates_on_event_id_and_dates",
order: {
finished_at: :desc,
starts_at: :desc,
}
end
end

1
plugins/discourse-calendar/lib/discourse_post_event/event_finder.rb
View file

@ -23,7 +23,6 @@ module DiscoursePostEvent
DiscoursePostEvent::Event
.visible
.open
.includes(:event_dates, :post, post: :topic)
.joins(post: :topic)
.merge(Post.secured(guardian))
.merge(topics.or(pms))