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Update CreateFollowingRelationships

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This commit is contained in:
Egor Kislitsyn 2019-10-08 13:06:48 +07:00
parent 12ebeef130
commit 6291eaa590
1 changed files with 49 additions and 30 deletions
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79
priv/repo/migrations/20191007073319_create_following_relationships.exs
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@ -18,7 +18,8 @@ defmodule Pleroma.Repo.Migrations.CreateFollowingRelationships do
create_if_not_exists(index(:following_relationships, :follower_id))
create_if_not_exists(unique_index(:following_relationships, [:follower_id, :following_id]))
execute(insert_following_relationships_rows(), restore_following_column())
execute(import_following_from_users(), "")
execute(import_following_from_activities(), restore_following_column())
drop(index(:users, [:following], concurrently: true, using: :gin))
@ -27,7 +28,33 @@ defmodule Pleroma.Repo.Migrations.CreateFollowingRelationships do
end
end
defp insert_following_relationships_rows do
defp import_following_from_users do
"""
INSERT INTO following_relationships (follower_id, following_id, state, inserted_at, updated_at)
SELECT
relations.follower_id,
following.id,
'accept',
now(),
now()
FROM (
SELECT
users.id AS follower_id,
unnest(users.following) AS following_ap_id
FROM
users
WHERE
users.following != '{}'
AND users.local = false OR users.local = true AND users.email IS NOT NULL -- Exclude `internal/fetch` and `relay`
) AS relations
JOIN users AS "following" ON "following".follower_address = relations.following_ap_id
WHERE relations.follower_id != following.id
ON CONFLICT DO NOTHING
"""
end
defp import_following_from_activities do
"""
INSERT INTO
following_relationships (
@ -49,7 +76,9 @@ defmodule Pleroma.Repo.Migrations.CreateFollowingRelationships do
JOIN users AS following ON (activities.data ->> 'object' = following.ap_id)
WHERE
activities.data ->> 'type' = 'Follow'
AND activities.data ->> 'state' IN ('accept', 'pending', 'reject') ON CONFLICT DO NOTHING
AND activities.data ->> 'state' IN ('accept', 'pending', 'reject')
ORDER BY activities.updated_at DESC
ON CONFLICT DO NOTHING
"""
end
@ -58,35 +87,25 @@ defmodule Pleroma.Repo.Migrations.CreateFollowingRelationships do
UPDATE
users
SET
following = following_query.following,
following = following_query.following_array,
updated_at = now()
FROM
(
SELECT
followers.id AS follower_id,
array_prepend(
followers.follower_address,
array_agg(DISTINCT following.ap_id) FILTER (
WHERE
following.ap_id IS NOT NULL
)
) as following
FROM
users AS followers
LEFT OUTER JOIN activities ON (
followers.ap_id = activities.actor
AND activities.data ->> 'type' = 'Follow'
AND activities.data ->> 'state' IN ('accept', 'pending', 'reject')
)
LEFT OUTER JOIN users AS following ON (activities.data ->> 'object' = following.ap_id)
WHERE
followers.email IS NOT NULL -- Exclude `internal/fetch` and `relay`
GROUP BY
followers.id,
followers.ap_id
) AS following_query
FROM (
SELECT
follwer.id AS follower_id,
CASE follwer.local
WHEN TRUE THEN
array_prepend(follwer.follower_address, array_agg(following.follower_address))
ELSE
array_agg(following.follower_address)
END AS following_array
FROM
following_relationships
JOIN users AS follwer ON follwer.id = following_relationships.follower_id
JOIN users AS FOLLOWING ON following.id = following_relationships.following_id
GROUP BY
follwer.id) AS following_query
WHERE
following_query.follower_id = users.id;
following_query.follower_id = users.id
"""
end
end