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Rails migration deleted entries from associated tables

Published on
#mysql #ruby-on-rails-2 #rails-migrations
473
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How do I set a default value in rails active record based on two other values in the active record?

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#ruby-on-rails #activerecord #rails-migrations
21.5k
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Running migrations with Rails in a Docker container with multiple container instances

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#mysql #ruby-on-rails #docker #database-migration #rails-migrations
4.6k
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Rails Migration Error - StandardError: An error has occurred, this and all later migrations canceled:

Published on
#ruby-on-rails #ruby #sqlite #rails-migrations
914
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Removing a database unique index constraint in postgres Rails

Published on
#ruby-on-rails #postgresql #rails-migrations
159
Views

In migration files, why do the methods in the "down" part have to be in reverse order from "up"?

Published on
#ruby-on-rails #ruby-on-rails-5 #rails-migrations
98
Views

Two Foreign Keys raise "Can' create table" on MySQL AUTO_INCREMENT PRIMARY KEY

Published on
#mysql #ruby-on-rails #activerecord #rails-migrations
309
Views

Rails 5 adding admin flag to users but deleted migration and

Published on
#ruby-on-rails #admin #rails-migrations #dbmigrate
333
Views

With Rails Minitest how do I recreate views on db migration for my test database?

Published on
#ruby-on-rails #minitest #rails-migrations
362
Views

Rails destroy migration/model on Heroku

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#ruby-on-rails #heroku #migration #rails-migrations
7.3k
Views

Update column with data in rails migration

Published on
#ruby-on-rails-4 #rails-migrations
1.6k
Views

Remove column default in rails migration

Published on
#ruby-on-rails #postgresql #rails-migrations
2.9k
Views

Adding same column name to different tables - Rails Migration

Published on
#ruby-on-rails #rails-migrations
146
Views

How do I change an existing Comment model so it can belong to many different Models?

Published on
#ruby-on-rails #ruby-on-rails-4 #polymorphic-associations #rails-migrations
99
Views

How to migrate my database backup which is in ".txt" file to my new Rails App?

Published on
#database #ruby-on-rails-4 #plsql #rails-migrations
491
Views

Add primary key to schema_migrations table

Published on
#ruby-on-rails #rails-migrations
1.9k
Views

How should I *intentionally* stop a migration?

Published on
#ruby-on-rails #rails-activerecord #rails-migrations
125
Views

How to add default array to column in db

Published on
#ruby-on-rails-4 #default-value #rails-migrations
53
Views

How to manage schema in a different database from within a rails app

Published on
#ruby-on-rails #rails-migrations
538
Views

How to define a full text index for sqlite in Rails migration?

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#ruby-on-rails #ruby-on-rails-4 #sqlite #rails-migrations

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