create table log_push ( bid char(6) not null, pid char(22) not null, create_date datetime not null, create_uid varchar(70) not null, log text null, lid int auto_increment primary key ); create table log_user ( bid char(6) not null, pid char(22) not null, create_date datetime not null, create_uid varchar(70) not null, log text null, lid int auto_increment primary key ); create table log_project ( lid int auto_increment primary key, create_date datetime not null default NOW(), log text null ); create table log_chat ( lid int auto_increment primary key, create_date datetime not null, create_uid varchar(70) not null, cid CHAR(16) NOT NULL, log text null );