MySQL InnoDB解锁了一行

Key*_*eyo 3 mysql database innodb

更新数据库中的某一行时,我会收到锁定超时.其他行更新没问题.

#1205 - Lock wait timeout exceeded; try restarting transaction
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我该如何解锁这一特定行?

这是两个相关的表格.我正在尝试更新用户的电子邮件.我不认为租客应该造成任何问题.

CREATE  TABLE IF NOT EXISTS `mydb`.`user` (
  `username` VARCHAR(45) NOT NULL ,
  `email` VARCHAR(60) NOT NULL ,
  `password` VARCHAR(45) NOT NULL ,
  `created` TIMESTAMP NULL DEFAULT NULL ,
  `last_login` TIMESTAMP NULL ,
  PRIMARY KEY (`username`) )

ENGINE = InnoDB;


CREATE  TABLE IF NOT EXISTS `mydb`.`tenant` (
  `id` INT NOT NULL AUTO_INCREMENT ,
  `username` VARCHAR(45) NOT NULL ,
  `address` VARCHAR(90) NULL ,
  `company` VARCHAR(45) NULL ,
  `phone` VARCHAR(25) NOT NULL ,
  `fax` VARCHAR(25) NULL ,
  `notes` TEXT NULL ,
  `contacts` TEXT NULL ,
  PRIMARY KEY (`id`) ,
  INDEX `fk_tenant_user1` (`username` ASC) ,
  CONSTRAINT `fk_tenant_user1`
    FOREIGN KEY (`username` )
    REFERENCES `mydb`.`user` (`username` )
    ON DELETE CASCADE
    ON UPDATE NO ACTION)
ENGINE = InnoDB;
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Key*_*eyo 5

我最终只是跑步FLUSH TABLE user,现在看起来很好.