Update

2017-02-27 06:25:14 +08:00 · 2017-02-27 06:25:14 +08:00 · ef7bc4fe05
parent 99f4eeef63
commit ef7bc4fe05
1 changed files with 1 additions and 1 deletions
--- a/rails-migrations.md
+++ b/rails-migrations.md
@ -47,7 +47,7 @@ category: Rails
    change_column :users, :first_name, :text

    change_column_default :users, :admin, nil
-    change_column_null    :users, :email, true  # adds NOT NULL constraint
+    change_column_null    :users, :email, false # adds NOT NULL constraint

    create_table
    change_table