# -*- coding: utf-8 -*-

def migrate(cr, version):
    """升级到 1.2：清理旧的 game.currency 记录与外部 ID，避免合并到 game.rule 时冲突。"""
    # 先删数据表记录，再删对应 ir.model.data 行
    cr.execute("SELECT 1 FROM information_schema.tables WHERE table_name='game_currency'")
    if cr.fetchone():
        cr.execute("DELETE FROM game_currency")
    cr.execute("DELETE FROM ir_model_data WHERE model='game.currency'")