错误代码1005错误编号121在3个表上我做错了什么？

StackOverflow https://stackoverflow.com/questions/3756760

  •  04-10-2019
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题

代码：

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';

CREATE SCHEMA IF NOT EXISTS `mydb` DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci ;

- 桌子 mydb.SEX

CREATE  TABLE IF NOT EXISTS `mydb`.`SEX` (
  `idSex` INT NOT NULL AUTO_INCREMENT ,
  `descrip` VARCHAR(15) NOT NULL ,
  PRIMARY KEY (`idSex`) )
ENGINE = InnoDB;

- 桌子 mydb.TEAMS

CREATE  TABLE IF NOT EXISTS `mydb`.`TEAMS` (
  `idTeam` INT NOT NULL AUTO_INCREMENT ,
  `name` VARCHAR(50) NOT NULL ,
  `idSex` INT NOT NULL ,
 PRIMARY KEY (`idTeam`) ,
  INDEX `ID_SEX` (`idSex` ASC) ,
  CONSTRAINT `ID_SEX`
    FOREIGN KEY (`idSex` )
    REFERENCES `mydb`.`SEX` (`idSex` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

- 桌子 mydb.CHAMPIONSHIPS

CREATE  TABLE IF NOT EXISTS `mydb`.`CHAMPIONSHIPS` (
  `idChampionship` INT NOT NULL AUTO_INCREMENT ,
  `name` VARCHAR(100) NOT NULL ,
  `totalPlayingDays` INT NULL ,
  `startDate` DATE NULL ,
  `EndDate` DATE NULL ,
  `active` CHAR NULL ,
  `idSex` INT NOT NULL ,
  PRIMARY KEY (`idChampionship`) ,
  INDEX `ID_SEX` (`idSex` ASC) ,
  CONSTRAINT `ID_SEX`
    FOREIGN KEY (`idSex` )
    REFERENCES `mydb`.`SEX` (`idSex` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

- 桌子 mydb.TEAMS_PER_CHAMPIONSHIP

CREATE  TABLE IF NOT EXISTS `mydb`.`TEAMS_PER_CHAMPIONSHIP` (
  `idTeam` INT NOT NULL ,
  `idChampionship` INT NOT NULL ,
  PRIMARY KEY (`idTeam`, `idChampionship`) ,
  INDEX `ID_TEAM` (`idTeam` ASC) ,
  INDEX `ID_CHAMP` (`idChampionship` ASC) ,
  CONSTRAINT `ID_TEAM`
    FOREIGN KEY (`idTeam` )
    REFERENCES `mydb`.`TEAMS` (`idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `ID_CHAMP`
    FOREIGN KEY (`idChampionship` )
    REFERENCES `mydb`.`CHAMPIONSHIPS` (`idChampionship` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

- 桌子 mydb.MATCHES

CREATE  TABLE IF NOT EXISTS `mydb`.`MATCHES` (
  `idMatch` INT NOT NULL ,
  `idChampionship` INT NOT NULL ,
  `idTeam` INT NOT NULL ,
  `date` TIMESTAMP NULL DEFAULT NULL ,
  `gols` INT NULL DEFAULT -1 ,
  `isLocal` CHAR NULL DEFAULT 'N' ,
  PRIMARY KEY (`idMatch`, `idChampionship`, `idTeam`) ,
  INDEX `ID_TEAM_X_CHAMP` (`idChampionship` ASC, `idMatch` ASC) ,
  CONSTRAINT `ID_TEAM_X_CHAMP`
    FOREIGN KEY (`idChampionship` , `idMatch` )
    REFERENCES `mydb`.`TEAMS_PER_CHAMPIONSHIP` (`idChampionship` , `idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

- 桌子 mydb.PLAYERS

CREATE  TABLE IF NOT EXISTS `mydb`.`PLAYERS` (
  `idPlayer` INT NOT NULL ,
  `name` VARCHAR(45) NULL ,
  `lastname` VARCHAR(45) NULL ,
  `performance` VARCHAR(45) NULL ,
  `idTeam` INT NOT NULL ,
  `idSex` INT NOT NULL ,
  PRIMARY KEY (`idPLayer`) ,
  INDEX `ID_TEAM` (`idTeam` ASC) ,
  INDEX `ID_SEX` (`idSex` ASC) ,
  CONSTRAINT `ID_TEAM`
    FOREIGN KEY (`idTeam` )
    REFERENCES `mydb`.`TEAMS` (`idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `ID_SEX`
    FOREIGN KEY (`idSex` )
    REFERENCES `mydb`.`SEX` (`idSex` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

- 桌子 mydb.MASTERS

CREATE  TABLE IF NOT EXISTS `mydb`.`MASTERS` (
  `idPlayer` INT NOT NULL ,
  `idMatch` INT NOT NULL ,
  `idChampionship` INT NOT NULL ,
  `idteam` INT NOT NULL ,
  `gols` INT NOT NULL DEFAULT -1 ,
  PRIMARY KEY (`idPlayer`, `idMatch`, `idChampionship`, `idTeam`) ,
  INDEX `ID_MATCH` (`idMatch` ASC, `idChampionship` ASC, `idTeam` ASC) ,
  INDEX `ID_PLAY` (`idPLayer` ASC) ,
  CONSTRAINT `ID_MATCH`
    FOREIGN KEY (`idMatch` , `idChampionship` , `idTeam` )
    REFERENCES `mydb`.`MATCHES` (`idMatch` , `idChampionship` , `idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `ID_PLAY`
    FOREIGN KEY (`idPlayer` )
    REFERENCES `mydb`.`PLAYERS` (`idPlayer` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

- 桌子 mydb.SANCTIONS

CREATE  TABLE IF NOT EXISTS `mydb`.`SANCTIONS` (
  `idSanction` INT NOT NULL ,
  `descrip` VARCHAR(100) NOT NULL DEFAULT 'A DEFINIR' ,
  PRIMARY KEY (`idSanction`) )
ENGINE = InnoDB;

- 桌子 mydb.SANCTIONS_PLAYERS

CREATE  TABLE IF NOT EXISTS `mydb`.`SANCIONS_PLAYERS` (
  `idPlayer` INT NOT NULL ,
  `idMatch` INT NOT NULL ,
  `idChampionship` INT NOT NULL ,
  `idTeam` INT NOT NULL ,
  `idSanction` INT NOT NULL ,
  PRIMARY KEY (`idPlayer`, `idMatch`, `idChampionship`, `idTeam`) ,
  INDEX `ID_PLAY` (`idPlayer` ASC) ,
  INDEX `ID_MATCH` (`idMatch` ASC, `idChampionship` ASC, `idTeam` ASC) ,
  INDEX `ID_SANC` (`idSanction` ASC) ,
  CONSTRAINT `ID_PLAY`
    FOREIGN KEY (`idPlayer` )
    REFERENCES `mydb`.`PLAYERS` (`idPlayer` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `ID_MATCH`
    FOREIGN KEY (`idMatch` , `idChampionship` , `idTeam` )
    REFERENCES `mydb`.`MATCHES` (`idMatch` , `idChampionship` , `idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `ID_SANC`
    FOREIGN KEY (`idSanction` )
    REFERENCES `mydb`.`SANCTIONS` (`idSanction` )
    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;
有帮助吗？

解决方案

我注意到了：


CREATE  TABLE IF NOT EXISTS `mydb`.`MATCHES` (
  `idMatch` INT NOT NULL ,
  `idChampionship` INT NOT NULL ,
  `idTeam` INT NOT NULL ,
  `date` TIMESTAMP NULL DEFAULT NULL ,
  `gols` INT NULL DEFAULT -1 ,
  `isLocal` CHAR NULL DEFAULT 'N' ,
  PRIMARY KEY (`idMatch`, `idChampionship`, `idTeam`) ,
  INDEX `ID_TEAM_X_CHAMP` (`idChampionship` ASC, `idMatch` ASC) ,
  CONSTRAINT `ID_TEAM_X_CHAMP`
    FOREIGN KEY (`idChampionship` , `idMatch` )
    REFERENCES `mydb`.`TEAMS_PER_CHAMPIONSHIP` (`idChampionship` , `idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


    FOREIGN KEY (`idChampionship` , `idMatch` )
    REFERENCES `mydb`.`TEAMS_PER_CHAMPIONSHIP` (`idChampionship` , `idTeam` )

我认为您的钥匙和参考文献不匹配。这可能无法解决您的整个问题，但仍然可以解决:)。让我知道您的错误是否随着该更新而改变。

编辑：我找到了其他东西。

如上所述 mysql参考

InnoDB需要在外键和引用密钥上进行索引，以便外国钥匙检查可以快速且不需要桌子扫描。在引用表中，必须有一个索引，其中外键列以相同顺序列出为第一列。如果不存在，则在引用表上自动创建这样的索引。 （这与某些旧版本相反，其中必须明确创建索引或创建外键约束将失败。）index_name（如果给出）如前所述使用。

CREATE  TABLE IF NOT EXISTS `mydb`.`TEAMS_PER_CHAMPIONSHIP` (
  `idTeam` INT NOT NULL ,
  `idChampionship` INT NOT NULL ,
  PRIMARY KEY (`idTeam`, `idChampionship`) ,
  INDEX `ID_TEAM` (`idTeam` ASC) ,
  INDEX `ID_CHAMP` (`idChampionship` ASC) ,
  CONSTRAINT `ID_TEAM`
    FOREIGN KEY (`idTeam` )
    REFERENCES `mydb`.`TEAMS` (`idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `ID_CHAMP`
    FOREIGN KEY (`idChampionship` )
    REFERENCES `mydb`.`CHAMPIONSHIPS` (`idChampionship` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

CREATE  TABLE IF NOT EXISTS `mydb`.`MATCHES` (
  `idMatch` INT NOT NULL ,
  `idChampionship` INT NOT NULL ,
  `idTeam` INT NOT NULL ,
  `date` TIMESTAMP NULL DEFAULT NULL ,
  `gols` INT NULL DEFAULT -1 ,
  `isLocal` CHAR NULL DEFAULT 'N' ,
  PRIMARY KEY (`idMatch`, `idChampionship`, `idTeam`) ,
  INDEX `ID_TEAM_X_CHAMP` (`idChampionship` ASC, `idMatch` ASC) ,
  CONSTRAINT `ID_TEAM_X_CHAMP`
    FOREIGN KEY (`idChampionship` , `idMatch` )
    REFERENCES `mydb`.`TEAMS_PER_CHAMPIONSHIP` (`idChampionship` , `idTeam` )
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;

根据该参考文本，引用的键必须与所引用的列表相同的顺序。您的顺序与主键不同。

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