From 9a2ad60ffa5d02d6826546e9ca712db1fab804ad Mon Sep 17 00:00:00 2001 From: Robert Speicher Date: Wed, 9 Nov 2016 10:59:15 +0000 Subject: [PATCH] Add more highlighting to Migration Style Guide doc [ci skip] --- doc/development/migration_style_guide.md | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/doc/development/migration_style_guide.md b/doc/development/migration_style_guide.md index 61b0fbc89c9..fd8335d251e 100644 --- a/doc/development/migration_style_guide.md +++ b/doc/development/migration_style_guide.md @@ -60,7 +60,7 @@ migration was tested. If you need to remove index, please add a condition like in following example: -``` +```ruby remove_index :namespaces, column: :name if index_exists?(:namespaces, :name) ``` @@ -75,7 +75,7 @@ need for downtime. To use this method you must disable transactions by calling the method `disable_ddl_transaction!` in the body of your migration class like so: -``` +```ruby class MyMigration < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! @@ -96,7 +96,7 @@ the `up` and `down` methods in your migration class. For example, to add the column `foo` to the `projects` table with a default value of `10` you'd write the following: -``` +```ruby class MyMigration < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! @@ -125,7 +125,7 @@ set the limit to 8-bytes. This will allow the column to hold a value up to Rails migration example: -``` +```ruby add_column_with_default(:projects, :foo, :integer, default: 10, limit: 8) # or @@ -145,7 +145,7 @@ Please prefer Arel and plain SQL over usual ActiveRecord syntax. In case of usin Example with Arel: -``` +```ruby users = Arel::Table.new(:users) users.group(users[:user_id]).having(users[:id].count.gt(5)) @@ -154,7 +154,7 @@ users.group(users[:user_id]).having(users[:id].count.gt(5)) Example with plain SQL and `quote_string` helper: -``` +```ruby select_all("SELECT name, COUNT(id) as cnt FROM tags GROUP BY name HAVING COUNT(id) > 1").each do |tag| tag_name = quote_string(tag["name"]) duplicate_ids = select_all("SELECT id FROM tags WHERE name = '#{tag_name}'").map{|tag| tag["id"]}