编辑代码

CREATE DATABASE test;
use test;
CREATE TABLE user (
	id varchar(32),
	name varchar(255),
    tag varchar(255),
    image_url varchar(255)
);
CREATE TABLE message_data (
    id varchar(32),
    user_id varchar(32),
    address varchar(255),
    create_time datetime,
    content varchar(255),
    image_url varchar(255),
    comment_num int,
    like_num int
)

CREATE TABLE comment_data (
    id varchar(32),
    user_id varchar(32),
    connect_id varchar(32),
    content varchar(255),
    comment_num int,
    like_num int
)