30 lines
977 B
Ruby
30 lines
977 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
|