source/active_record_migrations.md 5-2-stable

[achmiral]

Branch: active-record-migrations

• source/active_record_migrations.md

Daftar Isi

• Active Record Migrations
  • Migration Overview
  • Creating a Migration
    • Creating a Standalone Migration
    • Model Generators
    • Passing Modifiers
  • Writing a Migration
    • Creating a Table
    • Creating a Join Table
    • Changing Tables
    • Changing Columns
    • Column Modifiers
    • Foreign Keys
    • When Helpers aren't Enough
    • Using the change Method
    • Using reversible
    • Using the up/down Methods
    • Reverting Previous Migrations
  • Running Migrations
    • Rolling Back
    • Setup the Database
    • Resetting the Database
    • Running Specific Migrations
    • Running Migrations in Different Environments
    • Changing the Output of Running Migrations
  • Changing Existing Migrations
  • Schema Dumping and You
    • What are Schema Files for?
    • Types of Schema Dumps
    • Schema Dumps and Source Control
  • Active Record and Referential Integrity
  • Migrations and Seed Data