rails-migrations Examples and Free Source Code

Rails 5 with PostgreSQL change table relation from polymorphic to standard has_one/belongs_to associ...

ruby-on-rails postgresql polymorphism rails-migrations

Rails migration change time to datetime preserving data...

ruby-on-rails rails-migrations

rails migration: postgresql for md5 of random string as default...

ruby-on-rails ruby-on-rails-3 postgresql rails-activerecord rails-migrations

what does default_scope -> { kept } in rails means?...

ruby-on-rails rails-migrations

create rails migration for PostgreSQL GENERATED ALWAYS AS column...

ruby-on-rails ruby postgresql rails-migrations

Copy an ActionText field to a plain text field Rails...

ruby-on-rails rails-migrations actiontext

which migration do I run to change this line: t.index ["email"], name: "index_users_o...

ruby-on-rails rails-activerecord rails-migrations

Rails Migration for ID Column to Start at 1,000 and Autoincrement Up From There?...

ruby-on-rails rails-migrations

Rails model generation fails due to foreign key type...

ruby-on-rails rails-migrations ruby-on-rails-6

Editing Existing Rails Migrations is a good idea?...

ruby-on-rails ruby ruby-on-rails-3 rails-migrations

ActiveRecord::Schema.define info :version in schema.rb --> any need to be sequential?...

ruby-on-rails rails-migrations

Using renamed columns in a migration...

ruby-on-rails rails-migrations

Rails 6 & Model Association and/or Migrations...

ruby-on-rails ruby-on-rails-6 rails-migrations

Rails 6 - db:migrate NameError: wrong constant name...

ruby-on-rails activerecord ruby-on-rails-6 rails-migrations ruby-on-rails-6.1

Rails: How to setup multiple relation types to same models...

ruby-on-rails activerecord rails-migrations

Rails migration change sequence or order...

ruby-on-rails ruby-on-rails-3 rails-migrations

Rails: How to create migration in subdirectory with Rails?...

ruby-on-rails activerecord ruby-on-rails-3 rails-migrations

migration not rolling back...

ruby-on-rails rollback rails-migrations

Rails 4. Migrate table id to UUID...

ruby-on-rails migration rails-migrations

Add a reference column migration in Rails 5...

rails-activerecord ruby-on-rails-5 rails-migrations

How to write a migration to convert JSON field to Postgres Array for querying in rails?...

ruby-on-rails postgresql rails-migrations

Rails 6.0 Migration file convert to integer as per Postgres preference?...

ruby-on-rails postgresql heroku rails-migrations

How to fix previously renamed and Override existing migration...

ruby-on-rails database-migration rails-migrations

Migrations were shown as down but already migrated?...

ruby-on-rails ruby-on-rails-3 rails-migrations

PG::DependentObjectsStillExist: ERROR: cannot drop column xxx_id of xxxxx because other objects depe...

ruby-on-rails postgresql foreign-keys rails-migrations

How to skip rails migrations after creating database from dump...

ruby-on-rails postgresql rails-migrations

Rails: PG::UndefinedTable: ERROR: relation "..." does not exist...

ruby-on-rails postgresql ruby-on-rails-4 rails-migrations

Make a new column (migration) between two other columns?...

ruby-on-rails ruby-on-rails-6 rails-migrations

PG::UndefinedTable: ERROR: relation "step_images" does not exist...

ruby-on-rails postgresql migration database-migration rails-migrations

How to rollback a single migration file in rails?...

ruby-on-rails rails-migrations