mastodon/db/migrate/20221025171544_add_index_ip_blocks_on_ip.rb
2022-10-25 21:43:44 +02:00

17 lines
492 B
Ruby

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