discourse/db/migrate/20120712150500_create_categories.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.

Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
2019-05-13 09:31:32 +08:00

31 lines
978 B
Ruby

# frozen_string_literal: true
class CreateCategories < ActiveRecord::Migration[4.2]
def up
create_table :categories do |t|
t.string :name, limit: 50, null: false
t.string :color, limit: 6, null: false, default: '0088CC'
t.integer :forum_thread_id, null: true
t.integer :top1_forum_thread_id, null: true
t.integer :top2_forum_thread_id, null: true
t.integer :top1_user_id, null: true
t.integer :top2_user_id, null: true
t.integer :forum_thread_count, null: false, default: 0
t.timestamps null: false
end
add_index :categories, :name, unique: true
add_index :categories, :forum_thread_count
execute "INSERT INTO categories (name, forum_thread_count, created_at, updated_At)
SELECT tag, count(*), CURRENT_TIMESTAMP, CURRENT_TIMESTAMP from forum_threads
WHERE tag IS NOT NULL AND tag <> 'null'
GROUP BY tag"
end
def down
drop_table :categories
end
end