如何从Sequelize on save()获取MySQL自动增量主键?
我试图在Sequelize中插入新行,但不管我尝试什么,Sequelize都不会返回刚刚保存的自动递增行的ID。这是我的密码:如何从Sequelize on save()获取MySQL自动增量主键?,mysql,node.js,sequelize.js,Mysql,Node.js,Sequelize.js,我试图在Sequelize中插入新行,但不管我尝试什么,Sequelize都不会返回刚刚保存的自动递增行的ID。这是我的密码: if (isDefined(jsonObject.id) && jsonObject.id == 0) { let databaseObject = Database.getInstance().getModel(objectName).build(jsonObject); //databa
if (isDefined(jsonObject.id) && jsonObject.id == 0) {
let databaseObject = Database.getInstance().getModel(objectName).build(jsonObject);
//databaseObject.isNewRecord = true;
// Does not exist
//databaseObject.setNew(true);
transform.setNew(true);
transform.setJsonObject(jsonObject);
transform.setDatabaseObject(databaseObject);
return transform.populateJoins()
//.then(() => transform.baseMetadata())
//.then(() => transform.metadata())
.then(() => transform.baseExtract())
.then(() => transform.extract())
//.then(() => transform.clean())
.then(() => {
console.log('DATABASE OBJECT PRE SAVE: ');
console.log(transform.getDatabaseObject());
return transform.getDatabaseObject().save({
returning: true
});
}) // function () { return ; }
.then((data) => {
if (data instanceof sequelize.ValidationError) {
for (var field in data) {
this.addError(res.locals, ErrorCode.InvalidValue, field + ': ' + data[field]);
}
return false;
} else {
return Database.getInstance().getConnection().query('SELECT LAST_INSERT_ID();')
.then((row) => {
console.log('LAST INSERT ID: ');
console.log(row);
transform.getDatabaseObject().set('id', row[0]);
return transform.getDatabaseObject();
});
}
})
//.then(() => transform.getDatabaseObject()) // function () { return ; }
.then((data) => {
//console.log('Data is ' + typeof data);
console.log('NEW POST json: ');
console.log(jsonObject);
console.log('NEW POST data: ');
console.log(data);
console.log(data.get('id'));
if (jsonObject['id'] == data.get('id')) {
this.addError(res.locals, ErrorCode.InvalidValue, 'New object provided did not auto-increment.');
return false;
}
let dtoObject = {};
//for (var i in data.dataValues) {
// dtoObject[toCamelCase(i)] = data.get(i);
//}
for (let i in transform.columns) {
dtoObject[i] = data.get(transform.columns[i].name);
}
//if (jsonObject.id == data.get('id')) {
// throw new FrontendError(ErrorCode.InvalidValue, 'New object provided did not auto-increment.');
//}
res.locals.retval.addData(dtoObject);
但是,我始终收到提供的新对象未自动递增。
异常,因为返回的数据库对象始终具有ID 0,尽管已保存到我的数据库(ID 273567):
看起来我正在用一个变量重写isNewRecord方法,但我删除了该代码,它似乎没有做任何更改。我在bulkCreate中遇到了类似的问题。我得到了选项
returning:true
的帮助。
我的代码:
return EventLog.bulkCreate(records, {
returning: true
});
这是我能找到的从Sequelize获取自动增量主键的最简单解决方案。这是一个非常丑陋的解决方案,但如果它奏效,它就会奏效
return Database.getInstance().getConnection().transaction((t) => {
return transform.getDatabaseObject().save({
transaction: t
})
.then((data) => {
if (data instanceof sequelize.ValidationError) {
for (var field in data) {
this.addError(res.locals, ErrorCode.InvalidValue, field + ': ' + data[field]);
}
return false;
} else {
return Database.getInstance().getConnection().query('SELECT LAST_INSERT_ID() as `id`;', { transaction: t, type: sequelize.QueryTypes.SELECT })
.then((row) => {
console.log('LAST INSERT ID: ');
console.log(row);
transform.getDatabaseObject().set('id', row[0]['id']);
transform.getDatabaseObject().setDataValue('id', row[0]['id']);
console.log('DATABASE OBJECT POST SAVE: ');
console.log(transform.getDatabaseObject());
return transform.getDatabaseObject();
});
}
})
})
啊,那你就上PostgreSQL了。显然,该选项与MySQL不兼容。我甚至找到了获取SQLite自动增量的选项,但看起来我必须使用
LAST\u INSERT\u ID()
。
return Database.getInstance().getConnection().transaction((t) => {
return transform.getDatabaseObject().save({
transaction: t
})
.then((data) => {
if (data instanceof sequelize.ValidationError) {
for (var field in data) {
this.addError(res.locals, ErrorCode.InvalidValue, field + ': ' + data[field]);
}
return false;
} else {
return Database.getInstance().getConnection().query('SELECT LAST_INSERT_ID() as `id`;', { transaction: t, type: sequelize.QueryTypes.SELECT })
.then((row) => {
console.log('LAST INSERT ID: ');
console.log(row);
transform.getDatabaseObject().set('id', row[0]['id']);
transform.getDatabaseObject().setDataValue('id', row[0]['id']);
console.log('DATABASE OBJECT POST SAVE: ');
console.log(transform.getDatabaseObject());
return transform.getDatabaseObject();
});
}
})
})