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defmodule Pleroma.Repo.Migrations.AddFtsIndexToObjectsTwo do
use Ecto.Migration
def up do
execute("create extension if not exists rum")
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 if not exists 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 if exists objects_fts"
execute "drop trigger if exists tsvectorupdate on objects"
execute "drop function if exists objects_fts_update()"
alter table(:objects) do
remove(:fts_content, :tsvector)
end
create_if_not_exists index(:objects, ["(to_tsvector('english', data->>'content'))"], using: :gin, name: :objects_fts)
end
end
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