Fix down migration 16.

schemas/database/016_remove_recovery.down.sql

@@ -3,13 +3,24 @@ CREATE TABLE recoveries (
     new_commitment         BYTEA       NOT NULL UNIQUE
 );
 
+-- It may look strange but this way we restore the order of columns. The order is important
+-- as we use 'SELECT * FROM' in application code and then get data based on that order.
+ALTER TABLE unprocessed_identities
+  RENAME COLUMN created_at TO created_at_old;
+
 ALTER TABLE unprocessed_identities
-    ADD COLUMN eligibility TIMESTAMPTZ,
     ADD COLUMN status VARCHAR(50),
+    ADD COLUMN created_at TIMESTAMPTZ,
     ADD COLUMN processed_at TIMESTAMPTZ,
-    ADD COLUMN error_message TEXT;
+    ADD COLUMN error_message TEXT,
+    ADD COLUMN eligibility TIMESTAMPTZ;
 
+UPDATE unprocessed_identities SET created_at = created_at_old;
 UPDATE unprocessed_identities SET status = 'new', eligibility = CURRENT_TIMESTAMP WHERE status IS NULL;
 
+ALTER TABLE unprocessed_identities
+    ALTER COLUMN created_at SET NOT NULL;
 ALTER TABLE unprocessed_identities
     ALTER COLUMN status SET NOT NULL;
+ALTER TABLE unprocessed_identities
+    DROP COLUMN created_at_old;