CREATE MIGRATION m1nb4byflyh4jp3yp6zdr6ydzw7btucfslsznwz7ooywnmbjxqyl6q
    ONTO m1f65xatu7epwthdl6s4yekiuusexvyk2w747gdt5ixzzggxzliyga
{
  DROP GLOBAL default::currentConversation;
  DROP GLOBAL default::currentConversationID;
  CREATE REQUIRED GLOBAL default::currentConversationID -> std::uuid {
      SET default := (<std::uuid>'00000000-0000-0000-0000-000000000000');
  };
  CREATE GLOBAL default::currentConversation := (std::assert_single((SELECT
      default::Conversation
  FILTER
      ((.user = GLOBAL default::currentUser) AND ((.id = GLOBAL default::currentConversationID) OR ((GLOBAL default::currentConversationID = <std::uuid>'00000000-0000-0000-0000-000000000000') AND (.name = 'Default'))))
  )));
};