From 53deac75cde12bca16f680369424dfd187705f85 Mon Sep 17 00:00:00 2001
From: rhymes <rhymes@hey.com>
Date: Tue, 29 Sep 2020 17:19:48 +0200
Subject: [PATCH] [deploy] Cleanup orphan data from buffer_updates (#10365)

* Cleanup orphan data from backup_data and buffer_updates

* Remove script as the table has been removed
---
 ...ows_from_buffer_updates_by_composer_user_id.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 lib/data_update_scripts/20200917135847_nullify_orphan_rows_from_buffer_updates_by_composer_user_id.rb

diff --git a/lib/data_update_scripts/20200917135847_nullify_orphan_rows_from_buffer_updates_by_composer_user_id.rb b/lib/data_update_scripts/20200917135847_nullify_orphan_rows_from_buffer_updates_by_composer_user_id.rb
new file mode 100644
index 000000000..ac32a0097
--- /dev/null
+++ b/lib/data_update_scripts/20200917135847_nullify_orphan_rows_from_buffer_updates_by_composer_user_id.rb
@@ -0,0 +1,15 @@
+module DataUpdateScripts
+  class NullifyOrphanRowsFromBufferUpdatesByComposerUserId
+    def run
+      # Nullify all BufferUpdates composer_user_id belonging to Users that don't exist anymore
+      ActiveRecord::Base.connection.execute(
+        <<~SQL.squish,
+          UPDATE buffer_updates
+          SET composer_user_id = NULL
+          WHERE composer_user_id IS NOT NULL
+          AND composer_user_id NOT IN (SELECT id FROM users);
+        SQL
+      )
+    end
+  end
+end