Rails G Migration Add_index_to_column_name

rails generate migration AddPartNumberToProducts part_number:string. rails generate migration AddDetailsToProducts part_number:string price:decimal.

I know that i can touch a migration and add add_index :table_name, :column_name, :unique => true But how is the right rails migration command to generate this?

The rails generate command uses templates to create a whole. A scaffold in Rails is a full set of model, database migration for.

add_index(table_name, column. rails generate migration add_fieldname. you can also use the STEP option if you wish to rollback last few migrations. rails.

Sql Server Migration Task List Oct 23, 2012. Please if you find there is something to be added to the list below, feel free to comment and I will update. Steps to do on the future Production server – [Server B]. This can be done only if the migrated server can be stopped. Data migration is the process of transferring
Brew Upgrade Postgres 9.4 To 9.5 Update PostgreSQL itself: $ brew update && brew upgrade postgresql. Make a new, pristine 9.5 database: $ initdb /usr/local/var/postgres9.5 -E utf8. Migrate the data to the new 9.5 database. Note that I have 9.4.5_2 in here, it. Upgrade Postgres 9.4 to 9.5 (Homebrew) · GitHub – $ launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist: 2. Update PostgreSQL itself: $

rails g migration add_index_to_column_name :column_name, :unique => true

May 8, 2013. Starting from Rails 3.2 you able to use: rails g migration add_index_to_table_name column_name:uniq. example from.

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Sep 21, 2015. Rails Cheat Sheet: Create Models, Tables and Migrations. Create a new table in Rails. bin/rails g model Supplier name:string bin/rails g model.

I have a table with an already existant t.integer :column_name. If i do a rails g migration add_index_to_table_name column_name:uniq the already existent column_name.

Active Record Migrations — Ruby on Rails Guides –. by a list of column names and types then a migration containing. column and add_column Rails provides. {add_index :products, :name} say "and.