Niveau2.sql

-- MySQL Script generated by MySQL Workbench
-- dim. 06 déc. 2020 10:10:47
-- Model: New Model    Version: 1.0
-- MySQL Workbench Forward Engineering

SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='TRADITIONAL,ALLOW_INVALID_DATES';

-- -----------------------------------------------------
-- Schema socialnetwork
-- -----------------------------------------------------

-- -----------------------------------------------------
-- Schema socialnetwork
-- -----------------------------------------------------
CREATE SCHEMA IF NOT EXISTS `socialnetwork` ;
USE `socialnetwork` ;

-- -----------------------------------------------------
-- Table `socialnetwork`.`users`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `socialnetwork`.`users` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `email` VARCHAR(255) NOT NULL,
  `password` VARCHAR(255) NOT NULL,
  `alias` VARCHAR(255) NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE INDEX `email_UNIQUE` (`email` ASC),
  UNIQUE INDEX `alias_UNIQUE` (`alias` ASC))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `socialnetwork`.`posts`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `socialnetwork`.`posts` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `user_id` INT UNSIGNED NOT NULL,
  `content` TEXT NOT NULL,
  `created` DATETIME NOT NULL,
  `parent_id` INT UNSIGNED NULL,
  PRIMARY KEY (`id`),
  INDEX `fk_posts_users_idx` (`user_id` ASC),
  INDEX `fk_posts_posts1_idx` (`parent_id` ASC),
  CONSTRAINT `fk_posts_users`
    FOREIGN KEY (`user_id`)
    REFERENCES `socialnetwork`.`users` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_posts_posts1`
    FOREIGN KEY (`parent_id`)
    REFERENCES `socialnetwork`.`posts` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `socialnetwork`.`tags`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `socialnetwork`.`tags` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `label` VARCHAR(255) NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE INDEX `label_UNIQUE` (`label` ASC))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `socialnetwork`.`posts_tags`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `socialnetwork`.`posts_tags` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `post_id` INT UNSIGNED NOT NULL,
  `tag_id` INT UNSIGNED NOT NULL,
  INDEX `fk_posts_has_tags_tags1_idx` (`tag_id` ASC),
  INDEX `fk_posts_has_tags_posts1_idx` (`post_id` ASC),
  PRIMARY KEY (`id`),
  CONSTRAINT `fk_posts_has_tags_posts1`
    FOREIGN KEY (`post_id`)
    REFERENCES `socialnetwork`.`posts` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_posts_has_tags_tags1`
    FOREIGN KEY (`tag_id`)
    REFERENCES `socialnetwork`.`tags` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `socialnetwork`.`followers`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `socialnetwork`.`followers` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `followed_user_id` INT UNSIGNED NOT NULL,
  `following_user_id` INT UNSIGNED NOT NULL,
  PRIMARY KEY (`id`),
  INDEX `fk_users_has_users_users2_idx` (`following_user_id` ASC),
  INDEX `fk_users_has_users_users1_idx` (`followed_user_id` ASC),
  CONSTRAINT `fk_users_has_users_users1`
    FOREIGN KEY (`followed_user_id`)
    REFERENCES `socialnetwork`.`users` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_users_has_users_users2`
    FOREIGN KEY (`following_user_id`)
    REFERENCES `socialnetwork`.`users` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `socialnetwork`.`likes`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `socialnetwork`.`likes` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `user_id` INT UNSIGNED NOT NULL,
  `post_id` INT UNSIGNED NOT NULL,
  PRIMARY KEY (`id`),
  INDEX `fk_users_has_posts_posts1_idx` (`post_id` ASC),
  INDEX `fk_users_has_posts_users1_idx` (`user_id` ASC),
  CONSTRAINT `fk_users_has_posts_users1`
    FOREIGN KEY (`user_id`)
    REFERENCES `socialnetwork`.`users` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_users_has_posts_posts1`
    FOREIGN KEY (`post_id`)
    REFERENCES `socialnetwork`.`posts` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


SET SQL_MODE=@OLD_SQL_MODE;
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;