摘要: class JOIN :public Sql_alloc { JOIN(const JOIN &rhs); /** *fields; List group_fields, group_fields_cache; TABLE *tmp_table; /// used to store 2 possible tmp table ... 阅读全文
posted @ 2015-12-30 12:05 taek 阅读(214) 评论(0) 推荐(0) 编辑