akkoma/priv/repo/migrations/20190711042021_create_safe_jsonb_set.exs
2022-02-25 23:11:42 -07:00

25 lines
863 B
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.CreateSafeJsonbSet do
use Ecto.Migration
def change do
execute("""
create or replace function safe_jsonb_set(target jsonb, path text[], new_value jsonb, create_missing boolean default true) returns jsonb as $$
declare
result jsonb;
begin
result := jsonb_set(target, path, coalesce(new_value, 'null'::jsonb), create_missing);
if result is NULL then
raise 'jsonb_set tried to wipe the object, please report this incident to Pleroma bug tracker. https://git.pleroma.social/pleroma/pleroma/issues/new';
return target;
else
return result;
end if;
end;
$$ language plpgsql;
""")
end
end