akkoma/priv/repo/migrations/20191128153944_fix_missing_...

54 lines
1.0 KiB
Elixir

defmodule Pleroma.Repo.Migrations.FixMissingFollowingCount do
use Ecto.Migration
def up do
"""
UPDATE
users
SET
following_count = sub.count
FROM
(
SELECT
users.id AS sub_id
,COUNT (following_relationships.id)
FROM
following_relationships
,users
WHERE
users.id = following_relationships.follower_id
AND following_relationships.state = 'accept'
GROUP BY
users.id
) AS sub
WHERE
users.id = sub.sub_id
AND users.local = TRUE
;
"""
|> execute()
"""
UPDATE
users
SET
following_count = 0
WHERE
following_count IS NULL
"""
|> execute()
execute("ALTER TABLE users
ALTER COLUMN following_count SET DEFAULT 0,
ALTER COLUMN following_count SET NOT NULL
")
end
def down do
execute("ALTER TABLE users
ALTER COLUMN following_count DROP DEFAULT,
ALTER COLUMN following_count DROP NOT NULL
")
end
end