Question

使用MySQL Workbench我正在尝试转发架构，但我不断收到消息：

错误：错误1022：无法写入;表'tbl_banner_ad'中的重复键

我看过类似的问题，但所有的解决方案都说删除这个或删除它，但我不想删除那些会影响我的数据库工作方式的东西。

从我下面的SQL中，任何人都可以告诉我我需要做什么来摆脱这个错误，但不会摆脱任何参照完整性或类似的东西：

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 ibn_db
-- -----------------------------------------------------
DROP SCHEMA IF EXISTS `ibn_db` ;
CREATE SCHEMA IF NOT EXISTS `ibn_db` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci         ;
USE `ibn_db` ;

-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_users`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_users` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_users` (
  `_id` INT UNSIGNED ZEROFILL NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(80) NOT NULL,
  `email` VARCHAR(255) NOT NULL,
  `address_building` VARCHAR(80) NULL,
  `address_street` VARCHAR(80) NOT NULL,
  `address_city` VARCHAR(80) NOT NULL,
  `address_county` VARCHAR(80) NULL,
  `address_postcode` VARCHAR(13) NOT NULL,
  `address_country` VARCHAR(80) NULL,
  `is_admin` TINYINT(1) NOT NULL DEFAULT 0,
  `phone` VARCHAR(15) NOT NULL,
  `company` VARCHAR(80) NULL,
  `banned` TINYINT(1) NOT NULL DEFAULT 0,
  `ban_reason` VARCHAR(160) NULL,
  `ban_expiry_date` DATETIME NULL,
  `password` VARCHAR(128) NOT NULL,
  `salt` VARCHAR(128) NOT NULL,
  `joined_datetime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `last_modified_datetime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE      CURRENT_TIMESTAMP,
  PRIMARY KEY (`_id`),
  UNIQUE INDEX `email_UNIQUE` (`email` ASC))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_unauthorized_users`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_unauthorized_users` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_unauthorized_users` (
  `_id` INT UNSIGNED ZEROFILL NOT NULL AUTO_INCREMENT,
  `email` VARCHAR(255) NOT NULL,
  `password` VARCHAR(128) NOT NULL,
  `salt` VARCHAR(128) NOT NULL,
  `activation_hash` VARCHAR(128) NOT NULL,
  `created_datetime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`_id`),    
  UNIQUE INDEX `email_UNIQUE` (`email` ASC),
  UNIQUE INDEX `activation_hash_UNIQUE` (`activation_hash` ASC))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_events`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_events` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_events` (
  `_id` INT ZEROFILL UNSIGNED NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(80) NOT NULL,
  `description` MEDIUMTEXT NULL,
  `start_datetime` DATETIME NOT NULL,
  `end_datetime` DATETIME NOT NULL,
  `created_datetime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `last_modified_datetime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `address_building` VARCHAR(80) NULL,
  `address_street` VARCHAR(80) NOT NULL,
  `address_city` VARCHAR(80) NOT NULL,
  `address_county` VARCHAR(80) NULL,
  `address_postcode` VARCHAR(13) NOT NULL,
  `address_country` VARCHAR(80) NULL,
  `image_url` VARCHAR(255) NULL,
  PRIMARY KEY (`_id`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_payments`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_payments` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_payments` (
  `_id` INT ZEROFILL UNSIGNED NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`_id`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_attendee`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_attendee` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_attendee` (
  `_id` INT ZEROFILL UNSIGNED NOT NULL AUTO_INCREMENT,
  `user_id` INT UNSIGNED NOT NULL,
  `event_id` INT UNSIGNED NOT NULL,
  `payment_id` INT UNSIGNED NOT NULL,
  `created_datetime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`_id`),
  INDEX `user_id_idx` (`user_id` ASC),
  INDEX `event_id_idx` (`event_id` ASC),
  INDEX `payment_id_idx` (`payment_id` ASC),
  CONSTRAINT `user_id`
    FOREIGN KEY (`user_id`)
    REFERENCES `ibn_db`.`tbl_users` (`_id`)
    ON DELETE CASCADE
    ON UPDATE CASCADE,
  CONSTRAINT `event_id`
    FOREIGN KEY (`event_id`)   
    REFERENCES `ibn_db`.`tbl_events` (`_id`)
    ON DELETE CASCADE
    ON UPDATE CASCADE,
  CONSTRAINT `payment_id`
    FOREIGN KEY (`payment_id`)
    REFERENCES `ibn_db`.`tbl_payments` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_banner_ad`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_banner_ad` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_banner_ad` (
  `_id` INT UNSIGNED ZEROFILL NOT NULL AUTO_INCREMENT,
  `user_id` INT UNSIGNED NOT NULL,
  `payment_id` INT UNSIGNED NOT NULL,
  `url` VARCHAR(255) NOT NULL,
  `width` INT UNSIGNED NOT NULL,
  `height` INT UNSIGNED NOT NULL,
  `created_datetime` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`_id`),
  INDEX `user_id_idx` (`user_id` ASC),
  INDEX `payment_id_idx` (`payment_id` ASC),
  CONSTRAINT `payment_id`
    FOREIGN KEY (`payment_id`)
    REFERENCES `ibn_db`.`tbl_payments` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `user_id`
    FOREIGN KEY (`user_id`)
    REFERENCES `ibn_db`.`tbl_users` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_reviews`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_reviews` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_reviews` (
  `_id` INT UNSIGNED ZEROFILL NOT NULL AUTO_INCREMENT,
  `user_id` INT UNSIGNED NOT NULL,
  `event_id` INT UNSIGNED NOT NULL,
  `comment` VARCHAR(255) NULL,
  `stars` INT NULL,
  PRIMARY KEY (`_id`),
  INDEX `user_id_idx` (`user_id` ASC),
  INDEX `event_id_idx` (`event_id` ASC),
  CONSTRAINT `user_id`
    FOREIGN KEY (`user_id`)
    REFERENCES `ibn_db`.`tbl_users` (`_id`)
    ON DELETE NO ACTION     
    ON UPDATE NO ACTION,
  CONSTRAINT `event_id`
    FOREIGN KEY (`event_id`)
    REFERENCES `ibn_db`.`tbl_events` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `ibn_db`.`tbl_login_attempts`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `ibn_db`.`tbl_login_attempts` ;

CREATE TABLE IF NOT EXISTS `ibn_db`.`tbl_login_attempts` (
  `_id` INT UNSIGNED ZEROFILL NOT NULL AUTO_INCREMENT,
  `user_id` INT UNSIGNED NOT NULL,
  `time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `ip` VARCHAR(45) NOT NULL,
  `success` TINYINT(1) NOT NULL,
  `fail_reason` VARCHAR(160) NULL,
  PRIMARY KEY (`_id`),
  INDEX `user_id_idx` (`user_id` ASC),
  CONSTRAINT `user_id`
    FOREIGN KEY (`user_id`)
    REFERENCES `ibn_db`.`tbl_users` (`_id`)
    ON DELETE CASCADE
    ON UPDATE CASCADE)
ENGINE = InnoDB;


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

编辑：我尝试删除tbl_banner_ads中的INDEX语句但我无法删除它，因为索引是外键的一部分。

Answer 1

尝试并更改tbl_banner_ad的CREATE。改变这一部分：

   CONSTRAINT `payment_id`
    FOREIGN KEY (`payment_id`)
    REFERENCES `ibn_db`.`tbl_payments` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `user_id`
    FOREIGN KEY (`user_id`)
    REFERENCES `ibn_db`.`tbl_users` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)

为：

  CONSTRAINT `payment_id1`
    FOREIGN KEY (`payment_id`)
    REFERENCES `ibn_db`.`tbl_payments` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `user_id1`
    FOREIGN KEY (`user_id`)
    REFERENCES `ibn_db`.`tbl_users` (`_id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)

（或者，您可以命名约束以反映父表和子表名以及columnn-name。即tbl_payment_tbl_banner_ad_payment_id。

无法从MySQL Workbench转发设计此数据库

1 个答案: