discourse/db/migrate/20120712150500_create_categ...

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