forked from fedi/mastodon
20 lines
523 B
Ruby
20 lines
523 B
Ruby
# frozen_string_literal: true
|
|
|
|
class AddIndexIpBlocksOnIp < ActiveRecord::Migration[6.1]
|
|
disable_ddl_transaction!
|
|
|
|
def up
|
|
duplicates = IpBlock.connection.select_all('SELECT string_agg(id::text, \',\') AS ids FROM ip_blocks GROUP BY ip HAVING count(*) > 1').to_ary
|
|
|
|
duplicates.each do |row|
|
|
IpBlock.where(id: row['ids'].split(',')[0...-1]).destroy_all
|
|
end
|
|
|
|
add_index :ip_blocks, :ip, unique: true, algorithm: :concurrently
|
|
end
|
|
|
|
def down
|
|
remove_index :ip_blocks, :ip, unique: true
|
|
end
|
|
end
|