mirror of
https://github.com/mastodon/mastodon
synced 2024-12-25 12:08:13 +09:00
f13afa1ee9
Fix #8275 As the batch operation progresses, the statuses_stats table grows, and the WHERE NOT IN subquery becomes more expensive
23 lines
703 B
Ruby
23 lines
703 B
Ruby
class CopyStatusStats < ActiveRecord::Migration[5.2]
|
|
disable_ddl_transaction!
|
|
|
|
def up
|
|
safety_assured do
|
|
Status.unscoped.select('id').find_in_batches(batch_size: 5_000) do |statuses|
|
|
execute <<-SQL.squish
|
|
INSERT INTO status_stats (status_id, reblogs_count, favourites_count, created_at, updated_at)
|
|
SELECT id, reblogs_count, favourites_count, created_at, updated_at
|
|
FROM statuses
|
|
WHERE id IN (#{statuses.map(&:id).join(', ')})
|
|
ON CONFLICT (status_id) DO UPDATE
|
|
SET reblogs_count = EXCLUDED.reblogs_count, favourites_count = EXCLUDED.favourites_count
|
|
SQL
|
|
end
|
|
end
|
|
end
|
|
|
|
def down
|
|
# Nothing
|
|
end
|
|
end
|