mysql不能写重复键_错误1022-无法写入;表中的重复键
关于create table命令上的重复键,我收到1022错误。看完查询后,我不知道在哪里进行复制。有人可以看到吗?
SQL query:
-- -----------------------------------------------------
-- Table `apptwo`.`usercircle`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `apptwo`.`usercircle` (
`idUserCircle` MEDIUMINT NOT NULL ,
`userId` MEDIUMINT NULL ,
`circleId` MEDIUMINT NULL ,
`authUser` BINARY NULL ,
`authOwner` BINARY NULL ,
`startDate` DATETIME NULL ,
`endDate` DATETIME NULL ,
PRIMARY KEY ( `idUserCircle` ) ,
INDEX `iduser_idx` ( `userId` ASC ) ,
INDEX `idcategory_idx` ( `circleId` ASC ) ,
CONSTRAINT `iduser` FOREIGN KEY ( `userId` ) REFERENCES `apptwo`.`user` (
`idUser`
) ON DELETE NO ACTION ON UPDATE NO ACTION ,
CONSTRAINT `idcategory` FOREIGN KEY ( `circleId` ) REFERENCES `apptwo`.`circle` (
`idCircle`
) ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE = INNODB;
MySQL said: Documentation
#1022 - Can't write; duplicate key in table 'usercircle'
总结
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