Adding a column to an existing table in a Rails migration – Stack. – Jan 29, 2011. If you have already run your original migration (before editing it), then you need to generate a new migration ( rails generate migration.
Ruby on Rails Guides: Migrations – This migration adds a table called products with a string column called name and a text column called description. A primary key. This method is preferred for writing constructive migrations (adding columns or tables). 3.2 Changing Tables.
Jun 27, 2013. Ok, this is one of those "magical" things about rails everyone is always talking about. There is a naming convention for when you do migrations.
add_column (ActiveRecord::ConnectionAdapters. – APIdock – To add a post_id field to a comments table, run this: scriptgenerate migration add_post_id_to_comment post_id:integer. See that it´s not the table name(plural) ,
This page comprises news items about the LPO and bird conservation in France, compiled by Ken Hall. I update it as and when I have news to report and time to compile it.
Web portal for building-related information with a "whole building" focus provided by the National Institute of Building Sciences. Areas include Design Guidance.
Ruby on Rails Tutorial (Rails 5) Learn Web Development with Rails Michael Hartl. Newly updated for Rails 5, the Ruby on Rails Tutorial book and screencast series.
Candidate for next major release. Features that the contributors would like to add in the next major version
Oracle To Mysql Migration Script Sharepoint 2007 Database Migration Database Attach method to migrate MOSS 2007 User Profile and My. – Apr 6, 2011. As part of migrating the MOSS 2007 portal and site contents to SharePoint 2010, moving the existing User Profiles and MySites is also critical. Content Migration Tools for SharePoint | Best SharePoint Design. – Migration to
Mar 18, 2013. I doubt it allowed you to actually rake db:migrate this migration, so you shouldn't have to roll back. Just remove the bottom three add_column s.