diff options
Diffstat (limited to 'db/migrate/20221025171544_add_index_ip_blocks_on_ip.rb')
| -rw-r--r-- | db/migrate/20221025171544_add_index_ip_blocks_on_ip.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/db/migrate/20221025171544_add_index_ip_blocks_on_ip.rb b/db/migrate/20221025171544_add_index_ip_blocks_on_ip.rb new file mode 100644 index 000000000..0221369b7 --- /dev/null +++ b/db/migrate/20221025171544_add_index_ip_blocks_on_ip.rb @@ -0,0 +1,17 @@ +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 |