[#3213] hashtags: altered name type to text. hashtags_objects: removed unused index. HashtagsTableMigrator: records_per_second calculation fix. ActivityPub: hashtags-related options normalization.

This commit is contained in:
Ivan Tashkinov 2021-02-22 23:26:07 +03:00
parent 998437d4a4
commit 6531eddf36
6 changed files with 76 additions and 53 deletions

View file

@ -21,10 +21,14 @@ defmodule Pleroma.Hashtag do
timestamps() timestamps()
end end
def normalize_name(name) do
name
|> String.downcase()
|> String.trim()
end
def get_by_name(name) do def get_by_name(name) do
from(h in Hashtag) Repo.get_by(Hashtag, name: normalize_name(name))
|> where([h], fragment("name = ?::citext", ^String.downcase(name)))
|> Repo.one()
end end
def get_or_create_by_name(name) when is_bitstring(name) do def get_or_create_by_name(name) when is_bitstring(name) do
@ -39,7 +43,7 @@ defmodule Pleroma.Hashtag do
end end
def get_or_create_by_names(names) when is_list(names) do def get_or_create_by_names(names) when is_list(names) do
names = Enum.map(names, &String.downcase/1) names = Enum.map(names, &normalize_name/1)
timestamp = NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second) timestamp = NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second)
structs = structs =
@ -53,10 +57,12 @@ defmodule Pleroma.Hashtag do
try do try do
with {:ok, %{query_op: hashtags}} <- with {:ok, %{query_op: hashtags}} <-
Multi.new() Multi.new()
|> Multi.insert_all(:insert_all_op, Hashtag, structs, on_conflict: :nothing) |> Multi.insert_all(:insert_all_op, Hashtag, structs,
on_conflict: :nothing,
conflict_target: :name
)
|> Multi.run(:query_op, fn _repo, _changes -> |> Multi.run(:query_op, fn _repo, _changes ->
{:ok, {:ok, Repo.all(from(ht in Hashtag, where: ht.name in ^names))}
Repo.all(from(ht in Hashtag, where: ht.name in fragment("?::citext[]", ^names)))}
end) end)
|> Repo.transaction() do |> Repo.transaction() do
{:ok, hashtags} {:ok, hashtags}
@ -71,7 +77,7 @@ defmodule Pleroma.Hashtag do
def changeset(%Hashtag{} = struct, params) do def changeset(%Hashtag{} = struct, params) do
struct struct
|> cast(params, [:name]) |> cast(params, [:name])
|> update_change(:name, &String.downcase/1) |> update_change(:name, &normalize_name/1)
|> validate_required([:name]) |> validate_required([:name])
|> unique_constraint(:name) |> unique_constraint(:name)
end end

View file

@ -82,6 +82,7 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
State.reinit() State.reinit()
update_status(:running) update_status(:running)
put_stat(:iteration_processed_count, 0)
put_stat(:started_at, NaiveDateTime.utc_now()) put_stat(:started_at, NaiveDateTime.utc_now())
data_migration_id = data_migration_id() data_migration_id = data_migration_id()
@ -127,6 +128,7 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
max_object_id = Enum.at(object_ids, -1) max_object_id = Enum.at(object_ids, -1)
put_stat(:max_processed_id, max_object_id) put_stat(:max_processed_id, max_object_id)
increment_stat(:iteration_processed_count, length(object_ids))
increment_stat(:processed_count, length(object_ids)) increment_stat(:processed_count, length(object_ids))
increment_stat(:failed_count, length(failed_ids)) increment_stat(:failed_count, length(failed_ids))
increment_stat(:affected_count, chunk_affected_count) increment_stat(:affected_count, chunk_affected_count)
@ -176,7 +178,7 @@ defmodule Pleroma.Migrators.HashtagsTableMigrator do
end end
defp records_per_second do defp records_per_second do
get_stat(:processed_count, 0) / Enum.max([running_time(), 1]) get_stat(:iteration_processed_count, 0) / Enum.max([running_time(), 1])
end end
defp running_time do defp running_time do

View file

@ -10,6 +10,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.Conversation alias Pleroma.Conversation
alias Pleroma.Conversation.Participation alias Pleroma.Conversation.Participation
alias Pleroma.Filter alias Pleroma.Filter
alias Pleroma.Hashtag
alias Pleroma.Maps alias Pleroma.Maps
alias Pleroma.Notification alias Pleroma.Notification
alias Pleroma.Object alias Pleroma.Object
@ -698,8 +699,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end end
defp restrict_embedded_tag_all(query, %{tag_all: [_ | _] = tag_all}) do defp restrict_embedded_tag_all(query, %{tag_all: [_ | _] = tag_all}) do
tag_all = Enum.map(tag_all, &String.downcase/1)
from( from(
[_activity, object] in query, [_activity, object] in query,
where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all) where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
@ -717,8 +716,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end end
defp restrict_embedded_tag_any(query, %{tag: [_ | _] = tag_any}) do defp restrict_embedded_tag_any(query, %{tag: [_ | _] = tag_any}) do
tag_any = Enum.map(tag_any, &String.downcase/1)
from( from(
[_activity, object] in query, [_activity, object] in query,
where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag_any) where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag_any)
@ -736,8 +733,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end end
defp restrict_embedded_tag_reject_any(query, %{tag_reject: [_ | _] = tag_reject}) do defp restrict_embedded_tag_reject_any(query, %{tag_reject: [_ | _] = tag_reject}) do
tag_reject = Enum.map(tag_reject, &String.downcase/1)
from( from(
[_activity, object] in query, [_activity, object] in query,
where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject) where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
@ -766,7 +761,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
fragment( fragment(
""" """
(SELECT array_agg(hashtags.name) FROM hashtags JOIN hashtags_objects (SELECT array_agg(hashtags.name) FROM hashtags JOIN hashtags_objects
ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?::citext[]) ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?)
AND hashtags_objects.object_id = ?) @> ? AND hashtags_objects.object_id = ?) @> ?
""", """,
^tags, ^tags,
@ -787,35 +782,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end end
defp restrict_hashtag_any(query, %{tag: [_ | _] = tags}) do defp restrict_hashtag_any(query, %{tag: [_ | _] = tags}) do
# TODO: refactor: debug / experimental feature
if Config.get([:database, :improved_hashtag_timeline]) == :preselect_hashtag_ids do
hashtag_ids =
from(ht in Pleroma.Hashtag,
where: fragment("name = ANY(?::citext[])", ^tags),
select: ht.id
)
|> Repo.all()
from(
[_activity, object] in query,
where:
fragment(
"""
EXISTS (
SELECT 1 FROM hashtags_objects WHERE hashtag_id = ANY(?) AND object_id = ? LIMIT 1)
""",
^hashtag_ids,
object.id
)
)
else
from( from(
[_activity, object] in query, [_activity, object] in query,
where: where:
fragment( fragment(
""" """
EXISTS (SELECT 1 FROM hashtags JOIN hashtags_objects EXISTS (SELECT 1 FROM hashtags JOIN hashtags_objects
ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?::citext[]) ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?)
AND hashtags_objects.object_id = ? LIMIT 1) AND hashtags_objects.object_id = ? LIMIT 1)
""", """,
^tags, ^tags,
@ -823,7 +796,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
) )
) )
end end
end
defp restrict_hashtag_any(query, %{tag: tag}) when is_binary(tag) do defp restrict_hashtag_any(query, %{tag: tag}) when is_binary(tag) do
restrict_hashtag_any(query, %{tag: [tag]}) restrict_hashtag_any(query, %{tag: [tag]})
@ -842,7 +814,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
fragment( fragment(
""" """
NOT EXISTS (SELECT 1 FROM hashtags JOIN hashtags_objects NOT EXISTS (SELECT 1 FROM hashtags JOIN hashtags_objects
ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?::citext[]) ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?)
AND hashtags_objects.object_id = ? LIMIT 1) AND hashtags_objects.object_id = ? LIMIT 1)
""", """,
^tags_reject, ^tags_reject,
@ -1220,6 +1192,21 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
defp maybe_order(query, _), do: query defp maybe_order(query, _), do: query
defp normalize_fetch_activities_query_opts(opts) do
Enum.reduce([:tag, :tag_all, :tag_reject], opts, fn key, opts ->
case opts[key] do
value when is_bitstring(value) ->
Map.put(opts, key, Hashtag.normalize_name(value))
value when is_list(value) ->
Map.put(opts, key, Enum.map(value, &Hashtag.normalize_name/1))
_ ->
opts
end
end)
end
defp fetch_activities_query_ap_ids_ops(opts) do defp fetch_activities_query_ap_ids_ops(opts) do
source_user = opts[:muting_user] source_user = opts[:muting_user]
ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: [] ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
@ -1243,6 +1230,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end end
def fetch_activities_query(recipients, opts \\ %{}) do def fetch_activities_query(recipients, opts \\ %{}) do
opts = normalize_fetch_activities_query_opts(opts)
{restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} = {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
fetch_activities_query_ap_ids_ops(opts) fetch_activities_query_ap_ids_ops(opts)

View file

@ -7,7 +7,7 @@ defmodule Pleroma.Repo.Migrations.CreateHashtagsObjects do
add(:object_id, references(:objects), null: false, primary_key: true) add(:object_id, references(:objects), null: false, primary_key: true)
end end
create_if_not_exists(unique_index(:hashtags_objects, [:hashtag_id, :object_id])) # Note: PK index: "hashtags_objects_pkey" PRIMARY KEY, btree (hashtag_id, object_id)
create_if_not_exists(index(:hashtags_objects, [:object_id])) create_if_not_exists(index(:hashtags_objects, [:object_id]))
end end
end end

View file

@ -0,0 +1,11 @@
defmodule Pleroma.Repo.Migrations.RemoveHashtagsObjectsDuplicateIndex do
use Ecto.Migration
@moduledoc "Removes `hashtags_objects_hashtag_id_object_id_index` index (duplicate of PK index)."
def up do
drop_if_exists(unique_index(:hashtags_objects, [:hashtag_id, :object_id]))
end
def down, do: nil
end

View file

@ -0,0 +1,15 @@
defmodule Pleroma.Repo.Migrations.ChangeHashtagsNameToText do
use Ecto.Migration
def up do
alter table(:hashtags) do
modify(:name, :text)
end
end
def down do
alter table(:hashtags) do
modify(:name, :citext)
end
end
end