Add migration for results with empty names [SCI-9443]

db/migrate/20231003114337_set_default_names_for_results.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class SetDefaultNamesForResults < ActiveRecord::Migration[7.0]
+  def up
+    ActiveRecord::Base.connection.execute(
+      "UPDATE result_texts SET name = results.name
+        FROM results
+        WHERE result_texts.result_id = results.id
+        AND (result_texts.name = '' OR result_texts.name IS NULL)
+        AND results.name IS NOT NULL AND results.name != ''"
+    )
+
+    ActiveRecord::Base.connection.execute(
+      "UPDATE tables SET name = results.name
+        FROM results
+        INNER JOIN result_tables ON results.id = result_tables.result_id
+        WHERE result_tables.table_id = tables.id
+        AND (tables.name = '' OR tables.name IS NULL)
+        AND results.name IS NOT NULL AND results.name != ''"
+    )
+
+    ActiveRecord::Base.connection.execute(
+      "UPDATE results SET name = 'Untitled result' WHERE results.name = '' OR results.name IS NULL"
+    )
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end