DROP TABLE IF EXISTS diaries, users;
CREATE TABLE diaries (
id INT PRIMARY KEY AUTO_INCREMENT,
user_id INT NOT NULL,
title VARCHAR(45) NOT NULL,
KEY (user_id),
FULLTEXT INDEX title_index (title)
) DEFAULT CHARSET=UTF8MB4;
CREATE TABLE users (
id INT PRIMARY KEY AUTO_INCREMENT,
name VARCHAR(45) NOT NULL,
INDEX (name)
) ENGINE=InnoDB DEFAULT CHARSET=UTF8MB4;
INSERT INTO users (id, name) VALUES (1, "Alice"), (2, "Bob");
INSERT INTO diaries (user_id, title) VALUES (1, "survey");
INSERT INTO diaries (user_id, title) VALUES (2, "groonga (1)");
INSERT INTO diaries (user_id, title) VALUES (2, "groonga (2)");
CREATE VIEW articles AS
SELECT diaries.user_id AS user_id,
diaries.title AS title,
users.name AS name
FROM diaries, users
WHERE diaries.user_id = users.id;
SELECT COUNT(*) FROM articles WHERE name = 'Bob';
COUNT(*)
2
DROP VIEW articles;
DROP TABLE diaries, users;
