Stack Overflow
Stack Overflow

Questions tagged [seeding]

525 questions
24
votes
3 answers

Sequelize: seed with associations

I have 2 models, Courses and Videos, for example. And Courses has many Videos. // course.js 'use strict'; module.exports = (sequelize, DataTypes) => { const Course = sequelize.define('Course', { title: DataTypes.STRING, description:…
zett
  • 397
  • 1
  • 2
  • 8
24
votes
2 answers

Entity framework migration and seeding specific update

does anyone know how you can seed a specific update using EF 5 migrations? I have existing database, alredy has lookups populated, and am developing some Audit functionality. I have created an AuditType entity and Audit. When I call update-database,…
CheGuevarasBeret
  • 1,364
  • 2
  • 14
  • 33
19
votes
4 answers

Constructors on classes extending Eloquent

I just started a new website and I wanted to make use of Eloquent. In the process of seeding my database, I noticed that I would get empty rows added if I had included any kind of constructor on the model that extends eloquent. For example,…
vikingsfan19
  • 531
  • 1
  • 5
  • 14
18
votes
1 answer

You cannot call create unless the parent is saved error when seeding in rails

I'm trying to populate my SQLite3 database with a simple seed file that is supposed to create a bunch o movies entries in the Film table and then create some comments to this movies that are stored in Comments table. formats = %w(Beta VHS IMAX HD…
Cristi
  • 445
  • 2
  • 4
  • 14
18
votes
3 answers

What does the integer while setting the seed mean?

I want to randomly select n rows from my data set using the sample() function in R. I was getting different outputs each time and hence used set.seed() function to get the same output. I know that each integer in the set.seed() will give me a unique…
Prateek Kulkarni
  • 481
  • 2
  • 5
  • 12
17
votes
5 answers

Seed initial data in Entity Framework 7 RC 1 and ASP.NET MVC 6

It seems that in Entity Framework 7 there is no native support for seed data yet (https://github.com/aspnet/EntityFramework/issues/629). There is no DbMigrationsConfiguration class, no Seed method in the template code provided by Microsoft. So how…
Nikolay Kostov
  • 16,433
  • 23
  • 85
  • 123
15
votes
6 answers

How do I specify a single file to be seed only

I am using knex for seeding and I have a folder called development where I have all the seeds files. What I would want is: How to seed single file. The command I am using is: knex seed:run --env=development But this command is to seed all the files…
Lulzim
  • 547
  • 4
  • 9
  • 22
15
votes
1 answer

Seeding a Database with Code First Entity Framework - Foreign key syntax

I am trying to find the correct syntax to seed a database with test data. I have a foreign key to my product table. It is the category. I have seeded the database with the values for categories, but stuck on how to add that relationship to the…
Jeff Pearce
  • 581
  • 7
  • 15
15
votes
1 answer

`sample()` gives different values with same `set.seed()`

I was creating some random samples and plotting them and noticed a strange behavior. Sampled values were different after loading ggplot2: set.seed(111) library(ggplot2) sample(1:10, 10) # [1] 8 4 5 3 7 1 6 2 10 …
N8TRO
  • 3,348
  • 3
  • 22
  • 40
11
votes
2 answers

Is it possible to seed only with aria2?

I build a little tool (IoT) with an Intel Compute Stick which downloads a torrent content and then seed it. And it works. Now I want to seed the files I have downloaded EVEN after a restart and without re-downloading them (for obvious…
Victor Castro
  • 1,232
  • 21
  • 40
11
votes
3 answers

How to seed database in yii2?

I am new to Yii framework. I want to seed my database like it can be done in Laravel framework using Faker. I tried this http://www.yiiframework.com/forum/index.php/topic/59655-how-to-seed-yii2-database/ but it does not provide much details. I would…
Faisal Qureshi
  • 231
  • 1
  • 2
  • 9
10
votes
3 answers

Is there a maximum character limit to random seed?

Is there a maximum number of characters (and therfore value) to the seed in Python? import random random.seed(13) # fine random.seed(1234567890) # also…
Ghoul Fool
  • 6,249
  • 10
  • 67
  • 125
10
votes
1 answer

Entity Framework - Seed AddOrUpdate with multi column index as identifier

I am trying to seed a database using the context.AddOrUpdate method, but the problem is that I need to make the inserted data unique based on a multi column index. [Table("climbing_grades")] public class ClimbingGrade : EntityBase { ///…
Silthus
  • 1,679
  • 1
  • 23
  • 27
9
votes
2 answers

Array to string conversion (SQL: insert into

I'm trying to insert data from a Seeder in Laravel 5.6 and I'm having a problem with the field that is json type. I want this field ('stops') to be an array (for example of ten integers not repeated). The table seeder (RoutesTableSeeder.php) is…
Ber Tsacianegu del Tepuy
  • 361
  • 1
  • 4
  • 18
9
votes
5 answers

Asp.net core Identity "The INSERT statement conflicted with the FOREIGN KEY constraint "

I create ASP.NET CORE application with ASP.NET CORE Identity. I create seed class for saving new users and roles for first startup application. Inside this seed class I get following error when I add Role To User. The INSERT statement conflicted…
Elvin Mammadov
  • 25,329
  • 11
  • 40
  • 82
1
2
3
…
34 35