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webform表中插入唯一 ID 时,我将其插入本地服务器,但在实时服务器上,它会给出“密钥 1 的重复条目 '0'”错误。本地服务器上的 Webform 表结构:

CREATE TABLE `webform` (
  `nid` int(10) unsigned NOT NULL,
  `confirmation` text NOT NULL,
  `confirmation_format` tinyint(4) NOT NULL DEFAULT '0',
  `redirect_url` varchar(255) DEFAULT '<confirmation>',
  `status` tinyint(4) NOT NULL DEFAULT '1',
  `block` tinyint(4) NOT NULL DEFAULT '0',
  `teaser` tinyint(4) NOT NULL DEFAULT '0',
  `allow_draft` tinyint(4) NOT NULL DEFAULT '0',
  `auto_save` tinyint(4) NOT NULL DEFAULT '0',
  `submit_notice` tinyint(4) NOT NULL DEFAULT '1',
  `submit_text` varchar(255) DEFAULT NULL,
  `submit_limit` tinyint(4) NOT NULL DEFAULT '-1',
  `submit_interval` int(11) NOT NULL DEFAULT '-1',
  `total_submit_limit` int(11) NOT NULL DEFAULT '-1',
  `total_submit_interval` int(11) NOT NULL DEFAULT '-1',
  PRIMARY KEY (`nid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

实时服务器上的 Webform 表结构:

create table `webform` (
    `nid` double ,
    `confirmation` blob ,
    `teaser` tinyint (4),
    `submit_text` varchar (765),
    `submit_limit` tinyint (4),
    `submit_interval` double ,
    `additional_validate` blob ,
    `additional_submit` blob ,
    `confirmation_format` tinyint (4),
    `submit_notice` tinyint (4),
    `allow_draft` tinyint (4),
    `redirect_url` varchar (765),
    `block` tinyint (4),
    `status` tinyint (4),
    `auto_save` tinyint (4)
); 

要插入的 nid 是独一无二的,那么潜在的问题是什么?

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0 回答 0