Comments (7)
就是两个表需要关联的字段都用同一份枚举类型。那么生成的数据在两个表中会有相同的,就能关联上
from datafaker.
举个例子,A表有两个字段证券代码,证券名称,分别要从B表中取,是不是把B表中字段制定为枚举类型,然后随机取呢?
from datafaker.
举个例子,A表有两个字段证券代码,证券名称,分别要从B表中取,是不是把B表中字段制定为枚举类型,然后随机取呢?
目前只能实现:
把b表中数据导出为文件,在A表指定枚举类型和文件路径,A表字段会随机从文件取值
from datafaker.
这个很多场景是一对一关系。。。是否可以顺序取值,生成条数和主表一致,比较关注
from datafaker.
这个很多场景是一对一关系。。。是否可以顺序取值,生成条数和主表一致,比较关注
增加了order_enum类型,用于解决这个问题
from datafaker.
作者你好,关于order_enum类型实在没看懂,能不能举个小例子,以及在编写meta.txt文件时,应该怎么使用?
from datafaker.
作者你好,关于order_enum类型实在没看懂,能不能举个小例子,以及在编写meta.txt文件时,应该怎么使用?
是这样的场景,比如表里面有两个字段需要一一对应,一个是城市编码,一个城市名,
city_code|||varchar|||[:order_enum(file://code.txt)]
city_name|||varchar|||[:order_enum(file://names.txt)]
其中code.txt为城市编码,names.txt为城市名,两个文件行数相同,每行内容一一对应
用order_enum按顺序取值,能确保两个字段取得城市编码和城市名一一对应
from datafaker.
Related Issues (20)
- createtime||datetime||datetime(1,%Y-%m-%d %H:%M) datetime(1) 没有生成当前时间
- 发送kafka 报NoBrokersAvailable: NoBrokersAvailable HOT 1
- datafaker. exceptions. Parse Schemaerror: parse schema error,#年生产计划
- 导出文件每行会多出一行空行
- linux下python3.7运行报错cannot open shared object file: No such file or directory HOT 1
- enum(file://data.txt) 支持指定列
- 怎么处理oracle的date格式
- 【好慢】开了8个worker,写入1万条, 执行好慢 HOT 1
- 目前能支持达梦数据库吗?希望能支持 HOT 1
- order_enum 类型打开超大枚举文件的问题 HOT 3
- 在mac上使用报错,可以修复吗
- 运行日志可以保存下来吗,可以自己定位错误信息
- mac m2 安装Can't pickle <class 'sqlalchemy.orm.session.Session'>: it's not the same object as sqlalchemy.orm.session.Session HOT 2
- Can't pickle <class 'sqlalchemy.orm.session.Session'>: it's not the same object as sqlalchemy.orm.session.Session HOT 1
- 太慢了,生成10条数据还可以,超过1000就不行了 HOT 4
- order_enum重复 HOT 1
- 能否支持从其他列生成相对应的参数,或规则中新增函数类型,调用函数支持传参实现来求值? HOT 2
- 太慢了,是我操作有问题么 HOT 2
- datetime_between类型 生成sql 是 多了一对单引号导致插入数据失败: 例如 ''2021-01-01 00:00:00''
- mysql下处理int数据时,ValueError: empty range for randrange() (11,1, -10)
Recommend Projects
-
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
-
Vue.js
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
-
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
-
TensorFlow
An Open Source Machine Learning Framework for Everyone
-
Django
The Web framework for perfectionists with deadlines.
-
Laravel
A PHP framework for web artisans
-
D3
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
-
Recommend Topics
-
javascript
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
-
web
Some thing interesting about web. New door for the world.
-
server
A server is a program made to process requests and deliver data to clients.
-
Machine learning
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
-
Visualization
Some thing interesting about visualization, use data art
-
Game
Some thing interesting about game, make everyone happy.
Recommend Org
-
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
-
Microsoft
Open source projects and samples from Microsoft.
-
Google
Google ❤️ Open Source for everyone.
-
Alibaba
Alibaba Open Source for everyone
-
D3
Data-Driven Documents codes.
-
Tencent
China tencent open source team.
from datafaker.