56 lines
1.2 KiB
Ruby
56 lines
1.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'migration/column_dropper'
|
|
|
|
class CreatePostReplyKeys < ActiveRecord::Migration[5.2]
|
|
def up
|
|
create_table :post_reply_keys do |t|
|
|
t.integer :user_id, null: false
|
|
t.integer :post_id, null: false
|
|
t.uuid :reply_key, null: false
|
|
t.timestamps null: false
|
|
end
|
|
|
|
add_index :post_reply_keys, :reply_key, unique: true
|
|
|
|
Migration::ColumnDropper.mark_readonly(:email_logs, :reply_key)
|
|
|
|
sql = <<~SQL
|
|
DELETE FROM email_logs
|
|
WHERE id IN (
|
|
SELECT id
|
|
FROM (
|
|
SELECT
|
|
id,
|
|
ROW_NUMBER() OVER(PARTITION BY post_id, user_id ORDER BY id DESC) AS row_num
|
|
FROM email_logs
|
|
) t
|
|
WHERE t.row_num > 1
|
|
)
|
|
SQL
|
|
|
|
execute(sql)
|
|
|
|
sql = <<~SQL
|
|
INSERT INTO post_reply_keys(
|
|
user_id, post_id, reply_key, updated_at, created_at
|
|
) SELECT
|
|
user_id,
|
|
post_id,
|
|
reply_key,
|
|
updated_at,
|
|
created_at
|
|
FROM email_logs
|
|
WHERE reply_key IS NOT NULL AND post_id IS NOT NULL AND user_id IS NOT NULL
|
|
SQL
|
|
|
|
execute(sql)
|
|
|
|
add_index :post_reply_keys, [:user_id, :post_id], unique: true
|
|
end
|
|
|
|
def down
|
|
raise ActiveRecord::IrreversibleMigration
|
|
end
|
|
end
|