turn off the transaction around the migration 🤦🏻‍♂️

how did I fail to remember that migrations themselves are fully wrapped in a single transaction. sigh.

turns out everything works as expected once the thing that changes every single record in the entire database isn't one giant transaction!

db/data/20241003074932_decompress_plaintext.rb

@@ -9,6 +9,8 @@ module Progress
 end
 
 class DecompressPlaintext < ActiveRecord::Migration[7.2]
+  disable_ddl_transaction!
+
   using Progress
 
   def up