2014-08-30 210 views
1

我正在使用Typescript,NodeJS和sequelize-auto-ts进行模型生成。我想放置一个包含find查询的两个模型给了我错误的结果,这反过来又是由于错误的查询被解雇了。这里是两个有问题的模型;Sequelize生成错误的查询? sequelize-auto-ts和sequelize

rewardcodes = <types.rewardcodesModel> sequelize.define<types.rewardcodeInstance, types.rewardcodePojo>('rewardcodes', { 
    'rewardid': { type: 'number', primaryKey: true, autoIncrement: true }, 
    'code':'string', 
    'amount':'string' 
    }, 
    { 
     timestamps: false, 
     classMethods: { 
      getrewardcode:(rewardcode:types.rewardcodePojo) => { 
       var where:{[key:string]:any} = {}; 
       if (rewardcode['rewardid'] !== undefined) { where['rewardid'] = rewardcode['rewardid']} 
       if (rewardcode['code'] !== undefined) { where['code'] = rewardcode['code']} 
       if (rewardcode['amount'] !== undefined) { where['amount'] = rewardcode['amount']} 
       return this.find({where: where}); 
      } 
     } 
    }); 

userfreecredits = <types.userfreecreditsModel> sequelize.define<types.userfreecreditInstance, types.userfreecreditPojo>('userfreecredits', { 
    'id': { type: 'number', primaryKey: true, autoIncrement: true }, 
    'userid': { type: 'number', references:user }, 
    'rewardid': {type: 'number',references: rewardcodes}, 
    'isexpired':'Buffer', 
    'isused':'Buffer', 
    'isactive':'Buffer', 
    'expireydate':'Date' 
    }, 
    { 
     timestamps: false, 
     classMethods: { 
      getuserfreecredit:(userfreecredit:types.userfreecreditPojo) => { 
       var where:{[key:string]:any} = {}; 
       if (userfreecredit['id'] !== undefined) { where['id'] = userfreecredit['id']} 
       if (userfreecredit['userid'] !== undefined) { where['userid'] = userfreecredit['userid']} 
       if (userfreecredit['rewardid'] !== undefined) { where['rewardid'] = userfreecredit['rewardid']} 
       if (userfreecredit['isexpired'] !== undefined) { where['isexpired'] = userfreecredit['isexpired']} 
       if (userfreecredit['isused'] !== undefined) { where['isused'] = userfreecredit['isused']} 
       if (userfreecredit['isactive'] !== undefined) { where['isactive'] = userfreecredit['isactive']} 
       if (userfreecredit['expireydate'] !== undefined) { where['expireydate'] = userfreecredit['expireydate']} 
       return this.find({where: where}); 
      } 
     } 
    }); 

和DB调用我提出如下;

var association = <sequelize.AssociationOptions>{}; 
    association.foreignKey = "rewardid"; 
    models.userfreecredits.hasOne(models.rewardcodes,association); 
    models.rewardcodes.hasMany(models.userfreecredits); 

    var findOptions = <sequelize.FindOptions>{}; 
    findOptions.where = { userid: userId, isexpired: false, isused: false, isactive: true, expireydate: { gte: new Date() } }; 
    findOptions.include = models.rewardcodes; 

    return models.userfreecredits.find(findOptions).complete((err: Error, credits: types.userfreecreditInstance) => { 
     return credits; 
    }); 

但是从上面生成的查询是错误的,并表示userfreecredit.id = rewardcodes.id

SELECT `userfreecredits`.*, `rewardcode`.`rewardid` AS `rewardcode.rewardid`, 
`rewardcode`.`code` AS `rewardcode.code`, `rewardcode`.`amount` AS 
    `rewardcode.amount` FROM `userfreecredits` LEFT OUTER JOIN `rewardcodes` AS 
     `rewardcode` ON `userfreecredits`.`id` = `rewardcode`.`rewardid` 
     WHERE `userfreecredits`.`userid`='1' AND `userfreecredits`.`isexpired`=false 
     AND `userfreecredits`.`isused`=false AND `userfreecredits`.`isactive`=true 
     AND`userfreecredits`.`expireydate` >= '2014-08-29 21:49:08' LIMIT 1; 

请帮我指出我在做什么错误或丢失。

+0

所以我找到了我错误,而不是hasOne我不得不使用belongsTo它的工作,以供参考文档给我一些道理,但一段时间后https://gist.github.com/sdepold/1757695 – Bilal 2014-08-30 10:27:20

+0

自己创建答案并接受它,然后可以看到从问题列表中关闭该主题(并回答)... – 2014-09-02 11:40:34

回答

2

所以我发现我的错误,而不是hasOne我不得不用属于关联,它worked.For引用文档http://sequelizejs.com/docs/latest给了我一些道理,但一段时间后gist.github.com/sdepold/1757695

+0

很高兴您找到解决方案。我没有意识到其他人甚至使用'sequelize-auto-ts'。很高兴你发现它很有用。 – 2015-01-18 13:40:43

+0

谢谢@SamuelNeff我也做了一篇博客文章http://bilalhasankhan.blogspot.in/2014/11/typescript-and-repository-pattern.html – Bilal 2015-01-19 05:26:06