Search: Use RUM index.

This commit is contained in:
lain 2019-05-11 11:26:46 +02:00
parent 17d01869ea
commit 01c45ddc9e
2 changed files with 36 additions and 3 deletions

View file

@ -1019,12 +1019,12 @@ def status_search(user, query) do
where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
where:
fragment(
"to_tsvector('english', ?->>'content') @@ plainto_tsquery('english', ?)",
o.data,
"? @@ plainto_tsquery('english', ?)",
o.fts_content,
^query
),
limit: 20,
order_by: [desc: :id]
order_by: [fragment("? <=> now()::date", o.inserted_at)]
)
Repo.all(q) ++ fetched

View file

@ -0,0 +1,33 @@
defmodule Pleroma.Repo.Migrations.AddFtsIndexToObjectsTwo do
use Ecto.Migration
def up do
drop_if_exists index(:objects, ["(to_tsvector('english', data->>'content'))"], using: :gin, name: :objects_fts)
alter table(:objects) do
add(:fts_content, :tsvector)
end
execute("CREATE FUNCTION objects_fts_update() RETURNS trigger AS $$
begin
new.fts_content := to_tsvector('english', new.data->>'content');
return new;
end
$$ LANGUAGE plpgsql")
execute("create index objects_fts on objects using RUM (fts_content rum_tsvector_addon_ops, inserted_at) with (attach = 'inserted_at', to = 'fts_content');")
execute("CREATE TRIGGER tsvectorupdate BEFORE INSERT OR UPDATE ON objects
FOR EACH ROW EXECUTE PROCEDURE objects_fts_update()")
execute("UPDATE objects SET updated_at = NOW()")
end
def down do
execute "drop index objects_fts"
execute "drop trigger tsvectorupdate on objects"
execute "drop function objects_fts_update()"
alter table(:objects) do
remove(:fts_content, :tsvector)
end
create index(:objects, ["(to_tsvector('english', data->>'content'))"], using: :gin, name: :objects_fts)
end
end